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Brussels, Belgium (SPX) Jan 22, 2021
This week the European Commission has awarded two contracts for 12 Satellites (6 satellites each) for a total of EUR euro 1.47 billion, to ThalesAleniaSpace (Italy) and Airbus Defence and Space (Germany) following an open competition. With this, the Commission is initiating the launch of the 2nd Generation of Galileo, the European satellite positioning system. The aim is to keep Galileo a
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Moscow, Russia (SPX) Jan 22, 2021
A research team from the Skoltech Center for Design, Manufacturing, and Materials (CDMM) comprising 2nd year Ph.D. student Maxim Isachenkov, Senior Research Scientist Svyatoslav Chugunov, Professor Iskander Akhatov, and Professor Igor Shishkovsky has prepared an extensive review on the use of Additive Manufacturing (AM) technologies (also known as 3-D-printing) in crewed lunar exploration.
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Melbourne, Australia (SPX) Jan 20, 2021
A group of international scientists, including an Australian astrophysicist, has used knowhow from gravitational wave astronomy (used to find black holes in space) to study ancient marine fossils as a predictor of climate change. The research, published in the journal Climate of the Past, is a unique collaboration between palaeontologists, astrophysicists and mathematicians - to improve th
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Aboard Yuanwang-5 (Xinhua) Jan 22, 2021
China's space tracking ship Yuanwang-5 completed its mission in the Pacific Ocean to monitor and ensure the launch of the Tiantong 1-03 satellite on Wednesday. China successfully launched the mobile telecommunication satellite at 12:25 a.m. (Beijing Time) on Wednesday. The satellite entered its planned orbit. As the only maritime monitoring site for the launch, Yuanwang-5 was respons

Counting elephants from space

Thursday, 21 January 2021 09:58
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Bath UK (SPX) Jan 20, 2021
For the first time, scientists have successfully used satellite cameras coupled with deep learning to count animals in complex geographical landscapes, taking conservationists an important step forward in monitoring populations of endangered species. For this research, the satellite Worldview 3 used high-resolution imagery to capture African elephants moving through forests and grasslands.
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Iodine thruster used to change the orbit of a small satellite for the first time ever

For the first time ever, a telecommunications satellite has used an iodine propellant to change its orbit around Earth.

The small but potentially disruptive innovation could help to clear the skies of space junk, by enabling tiny satellites to self-destruct cheaply and easily at the end of their missions, by steering themselves into the atmosphere where they would burn up.

Sardinia, Italy

Thursday, 21 January 2021 09:00
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Sardinia, the second-largest island in the Mediterranean Sea, is featured in this false-colour image captured by the Copernicus Sentinel-2 mission. Image: Sardinia, the second-largest island in the Mediterranean Sea, is featured in this false-colour image captured by the Copernicus Sentinel-2 mission.

Earth from Space: Sardinia

Thursday, 21 January 2021 09:00
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Video: 00:03:23

This week's edition of the Earth from Space programme features a Copernicus Sentinel-2 image of Sardinia, the second-largest island in the Mediterranean Sea.

See also Sardinia, Italy to download the image.

Google to shut down Loon

Thursday, 21 January 2021 03:16
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WASHINGTON — Google announced Jan. 21 it is shutting down Loon, a venture to provide wireless connectivity by balloon that has been seen as both complementary to and competitive with satellite networks.

In a blog post, Astro Teller, head of X, the advanced projects or “moonshot factory” division of Google parent company Alphabet, announced that Loon will wind down operations in the next several months.

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WASHINGTON — A recent NASA mission successfully demonstrated the performance of a non-toxic “green” propellant, creating opportunities for its use in a wide range of future spacecraft.

NASA flew the Green Propellant Infusion Mission (GPIM) spacecraft as one of the payloads on the Space Test Program 2 mission that launched on a SpaceX Falcon Heavy in June 2019.

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WASHINGTON — Northrop Grumman announced Jan. 21 it completed a static firing of the strap-on solid booster it developed for United Launch Alliance’s new Vulcan Centaur rocket. 

The test fire of the extended length 63-inch-diameter Graphite Epoxy Motor (GEM 63XL) took place on Thursday at the company’s facility in Promontory, Utah.

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WASHINGTON — As many as 116 graduates of the U.S. Air Force Academy this year will join the U.S. Space Force. That is an increase from last year when 86 graduates went to the space service.

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WASHINGTON — The chief executive of  Virgin Orbit’s sister company VOX Space called on the Biden administration to continue the National Space Council that former president Donald Trump revived in 2017.

“Keeping the National Space Council intact is a good thing to do,” Mandy Vaughn said Jan.

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NASA mission to test technology for satellite swarms
V-R3x CubeSats undergo a functional performance test in a lab at NASA’s Ames Research Center in California’s Silicon Valley. Credit: NASA/Ames Research Center/Dominic Hart

A NASA mission slated for launch on Friday will place three tiny satellites into low-Earth orbit, where they will demonstrate how satellites might track and communicate with each other, setting the stage for swarms of thousands of small satellites that can work cooperatively and autonomously.

Zac Manchester, an assistant professor in Carnegie Mellon University's Robotics Institute and the 's principal investigator, said small satellites have grown in popularity over the last 10 years, as some companies already are launching hundreds into orbit to perform tasks such as Earth imaging and weather forecasting.

These satellites now are individually controlled from the ground. As swarms grow bigger and more sophisticated, Manchester noted, they will need to respond to commands almost as a single entity.

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Astronomers estimate Titan's largest sea is 1,000-feet deep
An artistic rendering of Kraken Mare, the large liquid methane sea on Saturn’s moon Titan. Credit: NASA/John Glenn Research Center

Far below the gaseous atmospheric shroud on Saturn's largest moon, Titan, lies Kraken Mare, a sea of liquid methane. Cornell University astronomers have estimated that sea to be at least 1,000-feet deep near its center—enough room for a potential robotic submarine to explore.

After sifting through data from one of the final Titan flybys of the Cassini mission, the researchers detailed their findings in "The Bathymetry of Moray Sinus at Titan's Kraken Mare," which published in the Journal of Geophysical Research.

"The depth and composition of each of Titan's seas had already been measured, except for Titan's largest sea, Kraken Mare—which not only has a great name, but also contains about 80% of the moon's surface liquids," said lead author Valerio Poggiali, research associate at the Cornell Center for Astrophysics and Planetary Science (CCAPS).

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