Satellites
Pale Blue Successfully Operates its Water-Based Propulsion System in Orbit
New in-space propulsion techniques seem to be popping out of the woodwork. The level of innovation behind moving things around…
An Alternative Theory of Inertia will Get Tested in Space
This summer, the first all-electric thruster will be tested in orbit. This technology could revolutionize commercial space as know it!
Strange Green Lines Above Hawaii was Probably a Chinese Satellite
Every once in a while, the stars (or, in this case, satellites) align, and keen observers can receive an unexpected…
Are There Better Ways to Communicate with Mars?
Mars is a long way from Earth, making it challenging to communicate with. That difficult communication is becoming ever more…
Hubble’s Orbit Has Dropped So Far that Starlink Satellites are Photobombing its Images
Astronomy is poised for another leap. In the next several years, major ground-based telescopes will come online, including the Extremely…
A Russian Satellite Has Broken Into Pieces, Littering Debris in Space
A Russian KOSMOS 2499 satellite broke up last month -- for a second time -- according to the Space Force's…
Could Space-based Satellites Power Remote Mines?
Many space-based technologies are still looking for their "killer app" - the thing that they do better than anything else…
NOAA’s New Weather Satellite is Operational, and its Pictures of Earth are Gorgeous
You'd have to be in some kind of sense-of-wonder-repressed coma not to appreciate satellite images of Earth. If you are,…
Ground Telescopes can Adapt to Satellite Megaconstellations if They get Accurate Telemetry Data
The growing population of communication satellites such as Starlink and OneWeb is posing challenges for Earth-based astronomy facilities. Since such…
With a Small Network of Satellites Around Mars, Rovers Could Navigate Autonomously
When it comes to "on the ground" exploration of Mars, rovers make pretty good advance scouts. From Pathfinder to Perseverance,…