BlueWalker 3 Satellite Unfolds, Brightening 40-fold
The unfolding of the BlueWalker 3's giant flat-panel antenna array resulted in a satellite 40 times as bright, outshining most stars.
Bright New Satellites Join a Crowded Sky — Here’s How You Can Help
The imminent launch of a BlueWalker satellite, with a giant phased array antenna, portends a brightening night sky. Amateur astronomers can help record these changes with the goal of mitigating them.
Newest Starlink Satellites Have Gotten Brighter Again
Changes to the design of Starlink satellite spacecraft have made them brighter again, though still dimmer than the original design.
Starlink Satellites Are Fainter Now — But Still Visible
Measurements of Starlink's "VisorSat" show SpaceX has succeeded in making a less reflective satellite. But it's still visible from dark-sky areas.
How Bright Are the Planets?
What do Venus and Jupiter have in common? Revisions to planets' magnitudes in this year's Astronomical Almanac have revealed some surprises.