Satellites

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…

2 years ago

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…

2 years ago

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.

2 years ago

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…

2 years ago

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…

2 years ago

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…

2 years ago

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,…

2 years ago

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…

2 years ago

NASA is Building a Mission That Will Refuel and Repair Satellites in Orbit

NASA is planning a mission to demonstrate the ability to repair and upgrade satellites in Earth orbit. The mission, called…

2 years ago

Antarctica Lost an Ice Shelf, but Gained an Island

Collapsing ice shelves on the eastern coast of Antarctica has revealed something never seen before: a landform that might be…

2 years ago