NOAA's GOES-T completes solar array deployment test

On March 3, 2021, engineers completed a successful test deployment of the GOES-T solar array as part of a series of tests to prepare the satellite for a planned December 2021 launch.

UK to lead the development of the second Scout mission, HydroGNSS

Following the selection of the first Scout satellite mission last December, ESA has also given the greenlight to start negotiations with Surrey Satellite Technology Ltd in the UK to lead the development of the second Scout ...

Galileo will help Lunar Pathfinder navigate around moon

ESA's Lunar Pathfinder mission to the moon will carry an advanced satellite navigation receiver, in order to perform the first ever satnav positioning fix in lunar orbit. This experimental payload marks a preliminary step ...

Falling to Earth takes a long time

Our planet's atmosphere reduces the energy of satellites in orbit (on Earth, this would be like reducing their speed, but in space, it's complex!). This then brings them back down to Earth.

A pioneering NASA mini weather satellite ends its mission

After nearly 2.5 years in orbit, a shoebox-size weather satellite phoned home one last time before plunging into Earth's atmosphere and burning up on Dec. 24, 2020. RainCube (Radar in a CubeSat) was a technology demonstration ...

Decoding the age of the ice at Mars' north pole

Mars' north pole contains a large ice cap made up of many layers of frozen water. Like ice cores on Earth, those layers offer a tantalizing record of climate on Mars over the past several million years. The first step in ...

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