Satellites
Antarctica Has Gotten 10 Times Greener in 35 Years
Our satellites are dispassionate observers of Earth's climate change. From their vantage point they watch as pack ice slowly loses…
An Otherworldly Cloud Over New Zealand
Filmmakers love New Zealand. Its landscapes evoke other worlds, which explains why so much of The Lord of the Rings…
Multimode Propulsion Could Revolutionize How We Launch Things to Space
In a few years, as part of the Artemis Program, NASA will send the "first woman and first person of…
Orbital Debris is Getting Out of Control
In 1978, NASA scientists Donald J. Kessler and Burton G. Cour-Palais proposed a scenario where the density of objects in…
Second Generation Starlinks are 32 Times Brighter in Radio Wavelengths
Global internet access does seem like a worthy enterprise yet the rise of satellite megaconstellations there is a danger of…
A Unique Combination of Antennas Could Revolutionize Remote Sensing
Bigger antennas are better, at least according to researchers interested in geospatial monitoring. That's because higher resolution in monitoring applications…
Satellites are Going to Track Garbage Drifting Across the Oceans
We are all too aware of the pollution on planet Earth. There are increased amounts of plastic and garbage on…
Next Generation Satellites Might Skim the Atmosphere, Using Air as a Propellant
Satellites in orbit use rocket propulsion to maintain their altitude. These engines require fuel to power their chemical or ion…
This is an Actual Picture of Space Debris
Space debris is a growing problem, so companies are working on ways to mitigate it. A new satellite called ADRAS-J…
Watch a Satellite Reaction Wheel Melt in a Simulated Orbital Re-Entry
Most satellites share the same fate at the end of their lives. Their orbits decay, and eventually, they plunge through…