Satellites
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,…
BlueWalker 3 is a Cellphone Tower in Space and One of the Brightest Objects Ever Launched. Astronomers Aren’t Happy.
It seems our nighttime skies are hosting another new communications network. In recent years, we've seen Starlink trains of satellites…
Air-Breathing ion Engines can Continuously Boost Spacecraft Anywhere There’s an Atmosphere
Staying in orbit can be challenging, at least for lower orbits that are more affected by Earth's atmosphere. But, such…
What Happened to those CubeSats that were Launched with Artemis I?
The Artemis I mission deployed ten CubeSat's as part of its mission, but only four appear to be operational.
Navigation Satellites fly at 23,000 km Altitude. Europe Wants to Build a Constellation That Flies Much, Much Lower
Distances to different orbits can be hard to understand. For example, the ISS sits around 400 kilometers from Earth, whereas…
Falcon Heavy Launches for the First Time in Over Three Years, Carrying Military Satellites to Orbit
SpaceX launched its gigantic Falcon Heavy rocket for the first time in more than three years, sending satellites for the…
The Methane Released From the Damaged Nord Stream Pipeline is Visible From Space
On September 26, 2022, leaks were discovered in the underwater Nord Stream 1 and 2 gas pipelines, located near Denmark…
Gaze Down Into the eye of Hurricane Ian, Seen From Orbit
NASA and NOAA satellites -- as well as astronauts on the ISS -- captured some stunning imagery of Hurricane Ian,…
Companies Will Have Five Years to Dispose of Their Dead Satellites
Kessler syndrome seems to be a growing fear for those interested in space exploration. The condition where numerous non-functional pieces…