Education

prantle
1 Views · 2 days ago

Door of no return .
Christinity is a scam. Black man know your history.

ironman
6 Views · 25 days ago

true talk

FABolaji
37 Views · 1 year ago

Learn with us learn with TradePro business school the home of learning reach us on+2349036296115

John Sele Philip
24 Views · 1 year ago

Burkina Faso’s 35-year-old President Ibrahim Traore has set social media ablaze with his comments lamenting how Africa, despite all of its richness in natural resources, is still so poor that its leaders have to travel to the West to beg for aid. He made these comments while attending the second edition of the just-ended Russia-Africa Summit in St. Petersburg, Russia, that took place from July 27th-July 28th, 2023. President Ibrahim Traore, who is Africa’s youngest president, also stressed the need for African countries to forge new alliances moving forward to guarantee a brighter future for their people.
Said to have been a shy but intelligent boy in school, Burkina Faso's Captain Ibrahim Traoré is one of the most recent military commanders to capture power in a coup in one of France's former colonies in West Africa. Traoré was part of the group of army officers that supported the January 2022 Burkina Faso coup d'état and brought the Patriotic Movement for Safeguard and Restoration military junta to power. From March 2022, he served as the head of an artillery regiment in Kaya, the fifth largest city in Burkina Faso, lying northeast of Ouagadougou. However, he was catapulted onto the world stage after overthrowing his ex-comrade Lieutenant Colonel Paul-Henri Damiba on September 30th, 2022, accusing him of breaking his vow to put an end to the Islamist conflict that has plagued Burkina Faso since 2015.
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ironman
9 Views · 1 year ago

The Journeys of Apollo is a previously produced documentary narrated by Actor Peter Cullen that relives the 40th Apollo Anniversary and mission to explore Earth's neighbor, the Moon.

ironman
20 Views · 1 year ago

Although the moon has remained largely unchanged during human history, our understanding of it and how it has evolved over time has evolved dramatically. Thanks to new measurements, we have new and unprecedented views of its surface, along with new insight into how it and other rocky planets in our solar system came to look the way they do. See some of the sights and learn more about the moon here!

This video is public domain and can be downloaded at: http://svs.gsfc.nasa.gov/goto?10929

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ironman
10 Views · 1 year ago

La Nasa (l’agence spatiale américaine) a tenu mercredi une réunion sur les ovnis . A l’occasion de cet événement peu commun qui s’est déroulé à Washington, la capitale américaine, un panel d’experts chargé par l’agence de se pencher sur la question, a martelé le besoin de récolter davantage de données pour arriver à expliquer ces phénomènes.

ironman
17 Views · 1 year ago

Mars 2020 is a Mars rover mission by NASA's Planet Mars Exploration Program that includes the Perseverance rover launched on 30 July 2020, and touch down in Jezero crater on Mars on 18 February 2021.

Perseverance rover will explore the Martian surface and seek to answer questions about the potential of ancient life on Mars.

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The mission will seek signs of habitable conditions on Mars planet in the ancient past, and will also search for evidence of past microbial life.

Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System.

How many moons does Mars have? The two moons of Mars are Phobos and Deimos. Mars moons are among the smallest in the solar system. Phobos is a bit larger than Deimos, and orbits only 3,700 miles (6,000 kilometers) above the Martian surface.

#planetmars #marsrover #marslive

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ironman
11 Views · 1 year ago

Watch this video ad free on Nebula: https://nebula.tv/videos/reale....ngineering-how-nasa-

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Credits:
Writer/Narrator: Brian McManus
Writer: Josi Gold
Editor: Dylan Hennessy
Animator: Mike Ridolfi
Animator: Eli Prenten
Sound: Graham Haerther
Thumbnail: Simon Buckmaster

References:
[1] “Increasing engine efficiency,” Aerospace America, Apr. 30, 2018. . https://aerospaceamerica.aiaa.....org/departments/incr
[2] “Falcon 9 - SpaceFlight Insider.” . https://www.spaceflightinsider.....com/hangar/falcon-9
[3] “Current State of NASA Continuously Rotating Detonation Cycle Engine Development,” in AIAA SCITECH 2023 Forum, American Institute of Aeronautics and Astronautics. https://arc.aiaa.org/doi/abs/10.2514/6.2023-1873
[4] “Computational Study of Deflagration to Detonation Transition in Pulse Detonation Engine Using Shchelkin Spiral,” Appl. Mech. Mater. https://www.scientific.net/AMM.772.136
[5] “A Theoretical Review of Rotating Detonation Engines | IntechOpen.” . https://www.intechopen.com/chapters/70511
[6] “Rotating detonation combustors and their similarities to rocket instabilities,” Prog. Energy Combust. Sci. https://www.sciencedirect.com/....science/article/abs/
[7] “Gaillard et al. - 2017 - Numerical simulation of a Rotating Detonation with.pdf.” . https://hal.science/hal-01558902/document
[8] “Teasley et al. - 2021 - A Review Towards the Design Optimization of High P.pdf.” . https://ntrs.nasa.gov/api/cita....tions/20210018267/do
[9] “Pressure Distribution and Performance Impacts of Aerospike Nozzles on Rotating Detonation Engines,” in 2018 AIAA Aerospace Sciences Meeting, Kissimmee, Florida, Jan. 2018, doi: 10.2514/6.2018-1626. https://arc.aiaa.org/doi/10.2514/6.2018-1626
[10] “Effect of Aerospike Plug Nozzle Design on Rotating Detonation Engine Performance for Rocket Applications | AIAA SciTech Forum.” . https://arc.aiaa.org/doi/abs/10.2514/6.2019-0197
[11] “観測ロケットS-520-31号機による深宇宙探査用デトネーションエンジン宇宙実証実験に成功,” 宇宙科学研究所. . https://www.isas.jaxa.jp/topics/002693.html
[12] “NASA RDRE For Release to AIAA Teasley ER13.pdf.” . https://ntrs.nasa.gov/api/cita....tions/20220012375/do

Select imagery/video supplied by Getty Images
Thank you to AP Archive for access to their archival footage.

Music by Epidemic Sound: http://epidemicsound.com/creator

Thank you to my patreon supporters: Abdullah Alotaibi, Adam Flohr, Henning Basma, Hank Green, William Leu, Tristan Edwards, Ian Dundore, John & Becki Johnston. Nevin Spoljaric, Jason Clark, Thomas Barth, Johnny MacDonald, Stephen Foland, Alfred Holzheu, Abdulrahman Abdulaziz Binghaith, Brent Higgins, Dexter Appleberry, Alex Pavek, Marko Hirsch, Mikkel Johansen, Hibiyi Mori. Viktor Józsa, Ron Hochsprung

ironman
9 Views · 1 year ago

Compared to Earth, the moon is a barren land. It is devoid of flowing water, wispy clouds and any signs of life. However, a scientist from NASA thinks that there's more to the moon than just a barren land. NASA planetary scientist Prabal Saxena has proposed that the lunar South pole may harbour conditions suitable for microbial life.

#nasa #moon #lifeonmoon

About Channel:

WION The World is One News examines global issues with in-depth analysis. We provide much more than the news of the day. Our aim is to empower people to explore their world. With our Global headquarters in New Delhi, we bring you news on the hour, by the hour. We deliver information that is not biased. We are journalists who are neutral to the core and non-partisan when it comes to world politics. People are tired of biased reportage and we stand for a globalized united world. So for us, the World is truly One.

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ironman
14 Views · 1 year ago

NASA have made a wheel capable of withstanding tough Martian terrain, but just how indestructible is it? Head to https://hensonshaving.com/veritasium and enter code 'Veritasium' for 100 free blades with the purchase of a razor. Make sure to add both the razor and the blades to your cart for the code to take effect.

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A huge thanks to everyone at NASA Glenn Research Center for having us at the SLOPE Lab, showing their work on this indestructible tire, and helping with the science and animation.
A huge thanks to everyone at Smart Tire Co for showing us around their facility, teaching us about nitinol, and letting us flatten their tires.

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References:

Steel Rod Footage - https://ve42.co/SteelRod

H. Föll. 8.4.1 - Martensite. University of Kiel, Faculty of Engineering - https://ve42.co/Foell

Bhattacharya, K. (1998). Theory of martensitic microstructure and the shape-memory effect - https://ve42.co/Bhattacharya1998

Bhattacharya, K. (2003). Microstructure of martensite: why it forms and how it gives rise to the shape-memory effect (Vol. 2). Oxford University Press. - https://ve42.co/MartensiteBook

Shaw, J. A. (2008). Tips and tricks for characterizing shape memory alloy wire: part 1—differential scanning calorimetry and basic phenomena. Experimental Techniques - https://ve42.co/Shaw2008

Buehler, W. J., Gilfrich, J. V., & Wiley, R. C. (1963). Effect of low‐temperature phase changes on the mechanical properties of alloys near composition TiNi. Journal of applied physics, 34(5), 1475-1477.

Kauffman, G. B., & Mayo, I. (1997). The story of nitinol: the serendipitous discovery of the memory metal and its applications. The chemical educator, 2, 1-21. - https://ve42.co/Kauffman1997

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Written by Derek Muller, Katie Barnshaw, & Emily Zhang
Edited by Trenton Oliver
Animated by Mike Radjabov & Ivy Tello
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Additional video/photos supplied by Getty Images & Pond5
Music from Epidemic Sound
Produced by Derek Muller, Petr Lebedev, & Emily Zhang
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ironman
4 Views · 1 year ago

SpaceX's 28th cargo resupply mission to the International Space Station is now scheduled to lift off at 11:47 a.m. EDT on Monday, June 5 (1547 UTC), from Launch Complex 39A at NASA's Kennedy Space Center in Florida.

This uncrewed launch of SpaceX's Dragon spacecraft will carry a new set of roll-out solar panels to boost the station's power capacity, along with medical research, student-developed technology demonstrations, and essential supplies for our astronauts living and working aboard the orbiting laboratory.

Learn more about the science we're sending up on CRS-28: https://go.nasa.gov/43zTeW6

Get the full launch schedule: https://go.nasa.gov/3qjpfmV

Credit: NASA/Kim Shiflett

#NASA #SpaceStation #CRS28 #Science

ironman
11 Views · 1 year ago

NASA has released musical "cosmic harmonies" based on telescope images of space.

The music aims to turn invisible data into musical notes that can be heard rather than seen.

Each layer of sound represents different wavelengths of light picked up by NASA’s Chandra X-ray Observatory, James Webb Space Telescope, Hubble Space Telescope, and Spitzer Space Telescope.

#nasa #jameswebbspacetelescope #hubbletelescope

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ironman
4 Views · 1 year ago

NASA was stunned when the New Horizons Spacecraft returned its first close-up images of Pluto. Previously thought to be a simple icy rock, Pluto turned out to be a surprisingly complex and active world. The spacecraft captured images of vast plains of nitrogen ice, towering mountains of water-ice, and a sky tinged blue by tholin particles in its thin atmosphere. However, the biggest surprise was the heart-shaped feature, later named Tombaugh Regio, which showed signs of geologically recent activity, defying expectations for such a small, cold world so far from the Sun. New Horizons also spotted evidence of possible dune fields, suggesting the existence of weather, winds, and signs of an underground ocean of liquid water. The mission fundamentally reshaped our understanding of Pluto and other Kuiper Belt Objects, proving that even the most remote corners of our system hold surprising complexity.

For more videos of cosmos in a minute, follow The Secrets of the Universe.

ironman
4 Views · 1 year ago

As per the reports, there are chances of G1 class geomagnetic storm hitting the Earth on July 13. It will be a result of a close encounter with a passing coronal mass ejection. A G1 class geomagnetic storm is defined as a minor storm that can spark auroras in higher latitudes.

#solarstorm #nasa #sun

About Channel:

WION The World is One News examines global issues with in-depth analysis. We provide much more than the news of the day. Our aim is to empower people to explore their world. With our Global headquarters in New Delhi, we bring you news on the hour, by the hour. We deliver information that is not biased. We are journalists who are neutral to the core and non-partisan when it comes to world politics. People are tired of biased reportage and we stand for a globalized united world. So for us, the World is truly One.

Please keep discussions on this channel clean and respectful and refrain from using racist or sexist slurs and personal insults.

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ironman
2 Views · 1 year ago

Space shuttle Atlantis and its six-member crew began an 11-day delivery flight to the International Space Station on Monday with a 2:28 p.m. EST launch from NASA's Kennedy Space Center in Florida. The shuttle will transport spare hardware to the outpost and return a station crew member who spent more than two months in space.

Atlantis is carrying about 30,000 pounds of replacement parts for systems that provide power to the station, keep it from overheating, and maintain a proper orientation in space. The large equipment can best be transported using the shuttle's unique capabilities.

ironman
8 Views · 1 year ago

NASA released a new image captured by the James Webb Space Telescope of the closest star-forming region to Earth, the Rho Ophiuchi cloud complex. #nasa #jameswebb #cnn #news

ironman
6 Views · 1 year ago

In 2022, we made history. In 2023, we are preparing for our future by exploring the secrets of the universe. All for the benefit of humanity.

To learn more about the missions mentioned in this video, take a deep dive into these links:

[0:46] TEMPO - Tropospheric Emissions: Monitoring of Pollution: https://weather.msfc.nasa.gov/tropics/
[0:51] X-59 Quesst Supersonic Low-boom Aircraft: https://www.nasa.gov/X59
[0:56] X-57 All-Electric Aircraft: https://www.nasa.gov/specials/X57/
[0:58] Crew Assignments for Artemis II Mission to the Moon: https://www.nasa.gov/specials/artemis-team/
[1:06] Boeing Crew Flight Test to the Space Station: https://blogs.nasa.gov/oft-2/
[1:11] OSIRIS-REx Asteroid Sample Return to Earth: https://www.nasa.gov/osiris-rex
[1:17] Commercial Lunar Payload Services Robotic Lunar Delivery - Astrobotic Technology: https://www.nasa.gov/content/c....ommercial-lunar-payl https://www.nasa.gov/image-fea....ture/astrobotic-conc
[1:21] Commercial Lunar Payload Services Robotic Lunar Delivery - Intuitive Machines Lunar Lander: https://www.nasa.gov/content/c....ommercial-lunar-payl https://www.nasa.gov/image-fea....ture/intuitive-machi
[1:25] Earth Information Center to Visualize our Home Planet: https://science.nasa.gov/earth....-science/earth-infor
[1:28] Sustainable Flight Demonstrator: https://www.nasa.gov/aeroresea....rch/programs/iasp/sf
[1:31] Lunar Terrain Vehicle Services Contract Award: https://www.nasa.gov/feature/n....asa-makes-progress-w
[1:35] Crew and Cargo Launches to the International Space Station for Groundbreaking Science - Tissue Chips in Space: https://www.nasa.gov/mission_p....ages/station/researc
[1:38] Crew and Cargo Launches to the International Space Station for Groundbreaking Science - Cold Atom Lab Upgrades: https://coldatomlab.jpl.nasa.gov
[1:41] Psyche Launch to Study a Metal-Rich Asteroid:
[1:43] Award for Human Lander System for Artemis Moon Missions: https://www.jpl.nasa.gov/missions/psyche
[1:48] Reveal of Spacesuit Prototype for Artemis Moon Missions: https://www.nasa.gov/press-rel....ease/nasa-partners-w
[1:53] Jaw-Dropping New Imagery of the Universe: https://www.nasa.gov/mission_p....ages/webb/main/index

Follow us on our journey.
https://www.nasa.gov/
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Download Link:
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Music: Universal Production Music
Video Producer: Shane Apple

Credit: NASA

ironman
4 Views · 1 year ago

On April 19 (in the US) / April 20 (Australia), the Moon will pass between the Sun and Earth, creating a total solar eclipse visible from Australia and Southeast Asia.

Starting at 10:30 p.m. EDT Wednesday, April 19 (0230 UTC Thursday, April 20) we will share live telescope views of the eclipse. Join NASA experts to learn about this rare phenomenon, see the eclipse through a telescope, and hear about the two upcoming eclipse events in the United States. Questions? Ask them in our live chat!

Click here to find out about upcoming eclipses around the world, including the annular eclipse in North and South America on Oct. 14, 2023, and the total solar eclipse in North America on April 8, 2024: https://solarsystem.nasa.gov/e....clipses/future-eclip

Telescope feed compiled by timeanddate/Perth Observatory

Credit: NASA

ironman
3 Views · 1 year ago

We commissioned a study team to examine from a scientific perspective unidentified anomalous phenomena (UAPs) – that is, observations of events in the sky that cannot be identified as aircraft or known natural phenomena.

The focus of this public meeting is to hold final deliberations before the independent study team publishes a report in summer 2023. The report will inform us on what possible data could be collected in the future to shed light on the nature and origin of UAP.

The UAP independent study team is a counsel of 16 community experts across diverse areas on matters relevant to potential methods of study for UAP. We commissioned the nine-month study to examine UAP from a scientific perspective and create a roadmap for how to use data and the tools of science to move our understanding of UAP forward. Right now, the limited high-quality observations of UAP make it impossible to draw scientific conclusions from the data about the nature of such events.

More info on the independent study team, including frequently asked questions: https://science.nasa.gov/uap

Credit: NASA

#UAP

ironman
6 Views · 1 year ago

NASA's independent study team on unidentified anomalous phenomena, or UFOs, holds a public meeting before publishing a report this summer.

Video credit: NASA

ironman
6 Views · 1 year ago

What the Webb telescope found way back in the early Universe, another hot trip around the Sun for our Parker Solar Probe, and we’re back in touch with our helicopter on Mars … a few of the stories to tell you about – This Week at NASA!

Link to download this video: https://images.nasa.gov/detail....s/What%20the%20Webb%

Video Producer: Andre Valentine
Video Editor: Andre Valentine
Narrator: Andre Valentine
Music: Universal Production Music
Credit: NASA

ironman
10 Views · 1 year ago

Editor’s Note: A previous version of this video mislabeled the orbit of Saturn as the orbit of Jupiter.

This new NASA animation highlights the “super” in supermassive black holes. These monsters lurk in the centers of most big galaxies, including our own Milky Way, and contain between 100,000 and tens of billions of times more mass than our Sun.

Any light crossing the event horizon – the black hole’s point of no return – becomes trapped forever, and any light passing close to it is redirected by the black hole’s intense gravity. Together, these effects produce a “shadow” about twice the size of the black hole’s actual event horizon.

The animation shows 10 supersized black holes that occupy center stage in their host galaxies, including the Milky Way and M87, scaled by the sizes of their shadows. Starting near the Sun, the camera steadily pulls back to compare ever-larger black holes to different structures in our solar system.

First up is 1601+3113, a dwarf galaxy hosting a black hole packed with the mass of 100,000 Suns. The matter is so compressed that even the black hole’s shadow is smaller than our Sun.

The black hole at the heart of our own galaxy, called Sagittarius A* (pronounced ay-star), boasts the weight of 4.3 million Suns based on long-term tracking of stars in orbit around it. It’s shadow diameter spans about half that of Mercury’s orbit in our solar system.

The animation shows two monster black holes in the galaxy known as NGC 7727. Located about 1,600 light-years apart, one weighs 6 million solar masses and the other more than 150 million Suns. Astronomers say the pair will merge within the next 250 million years.

At the animation’s larger scale lies M87’s black hole, now with a updated mass of 5.4 billion Suns. Its shadow is so big that even a beam of light – traveling at 670 million mph (1 billion kph) – would take about two and a half days to cross it.

The movie ends with TON 618, one of a handful of extremely distant and massive black holes for which astronomers have direct measurements. This behemoth contains more than 60 billion solar masses, and it boasts a shadow so large that a beam of light would take weeks to traverse it.

Music credit: "In the Stars" from Universal Production Music

Credit: NASA's Goddard Space Flight Center Conceptual Image Lab

Lead Producer: Scott Wiessinger (KBRwyle)
Lead Animator: Krystofer Kim (KBRwyle)
Lead Science writer: Francis Reddy (University of Maryland College Park)
Visualizer: Jeremy Schnittman (NASA/GSFC)
Producer: Sophia Roberts (AIMM)
Scientist: Jeremy Schnittman (NASA/GSFC)

This video can be freely shared and downloaded at https://svs.gsfc.nasa.gov/14335. While the video in its entirety can be shared without permission, the music and some individual imagery may have been obtained through permission and may not be excised or remixed in other products. Specific details on such imagery may be found here: https://svs.gsfc.nasa.gov/14335. For more information on NASA’s media guidelines, visit https://nasa.gov/multimedia/guidelines.

If you liked this video, subscribe to the NASA Goddard YouTube channel: https://www.youtube.com/NASAGoddard

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ironman
1 Views · 1 year ago

While Apollo placed the first steps on the Moon, Artemis opens the door for humanity to sustainably work and live on another world for the first time. Using the lunar surface as a proving ground for living on Mars, this next chapter in exploration will forever establish our presence in the stars. ✨

We are returning to the Moon – to stay – and this is how we are going!

Actress Kelly Marie Tran of “Star Wars: The Rise of Skywalker” lent her voice to this project.

ironman
5 Views · 1 year ago

A NASA team of scientists and experts leading a new study on unidentified aerial phenomena, commonly known as UFOs, held its first public meeting on Wednesday. The meeting comes ahead of a UFO report set to be published this summer.

#news #nasa #ufo

CBS News Streaming Network is the premier 24/7 anchored streaming news service from CBS News and Stations, available free to everyone with access to the Internet. The CBS News Streaming Network is your destination for breaking news, live events and original reporting locally, nationally and around the globe. Launched in November 2014 as CBSN, the CBS News Streaming Network is available live in 91 countries and on 30 digital platforms and apps, as well as on CBSNews.com and Paramount+.

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ironman
2 Views · 1 year ago

Our #Crew6 mission to the International Space Station is targeted for liftoff at 12:34 a.m. EST (0534 UTC) on Thursday, March 2, 2023, from Launch Complex 39A at NASA's Kennedy Space Center in Florida. The Feb. 27 launch attempt was scrubbed so mission teams could investigate a ground systems issue. NASA astronauts Stephen Bowen and Warren "Woody" Hoburg, as well as UAE (United Arab Emirates) astronaut Sultan Alneyadi and Roscosmos cosmonaut Andrey Fedyaev, will launch aboard their Dragon Endeavour spacecraft atop a SpaceX Falcon 9 rocket.

Visit our Crew-6 blog for the latest mission updates: https://blogs.nasa.gov/crew-6/

This will be the fourth trip to space for Bowen, the Crew-6 mission commander, and the first space launch for the rest of the crew. They'll spend approximately six months on the station, helping us learn how to live in space while conducting research to make life better back on Earth. Learn more about the mission, its crew, and some of the science they'll be working on at https://go.nasa.gov/3jclMmJ.

Following launch and ascent, NASA coverage of agency’s Crew-6 flight to the space station will temporarily switch to a streaming, audio-only feed accessible via YouTube, between ascent and the beginning of rendezvous operations. Viewers can continue to listen to real-time audio between Crew-6 and flight controllers at NASA’s Mission Audio stream (https://www.youtube.com/live/3slokO2g1v0), which also includes conversations with astronauts aboard the space station and a live video feed from the orbiting laboratory.

Credit: NASA
Thumbnail credit: NASA/Joel Kowsky

ironman
8 Views · 1 year ago

Live views from the International Space Station (ISS) are streaming from an external camera mounted on the ISS module called Node 2. Node 2 is located on the forward part of the ISS.

The camera is looking forward at an angle so that the International Docking Adapter 2, or IDA2, is visible. If the Node 2 camera is not available due to operational considerations for a longer period of time, a continuous loop of recorded HD Earth Views imagery will be displayed. The loop will have “Previously Recorded” on the image to distinguish it from the livestream from the Node 2 camera.

The space station orbits Earth about 250 miles (425 kilometers) above the surface. An international partnership of five space agencies from 15 countries operates the station, and it has been continuously occupied since November 2000. It's a microgravity laboratory where science, research, and human innovation make way for new technologies and research breakthroughs not possible on Earth. More: https://go.nasa.gov/3CkVtC8

Did you know you can spot the station without a telescope? It looks like a fast-moving star, but you have to know when to look up. Sign up for text messages or email alerts to let you know when (and where) to spot the station and wave to the crew: https://spotthestation.nasa.gov

https://nasa.gov/iss

Credit: NASA




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