SUNSET: 
Amazon's Satellites Are Impacting Astronomy
The satellites being launched by Amazon are brighter than IAU-recommended limits — which means they'll interfere with astronomy.
A New Kind of Satellite Could Damage Your Eyes
Reflect Orbital plans to launch gigantic satellites to reflect sunlight into regions where night has already fallen, potentially harming eyes, altering sleep, and blocking the starry sky.
Satellite Constellations Are Too Bright for Astronomy
The International Astronomical Union has recommended brightness limits for satellites, but companies aren't abiding by them.
Observers’ Report: First Views of the Chinese “Thousand Sails” Satellites
Amateur astronomers have shown that the first satellites of the Chinese Qianfan (“Thousand Sails”) constellation are bright enough to be seen naked-eye.
Starlink Flares Can Fool Anyone — Even Airline Pilots
Starlink satellites can flare as brightly as Venus, confusing ground observers and airline pilots alike.
The Bright BlueWalker 3 Satellite Threatens Astronomy
The bright BlueWalker 3 satellite, a prototype for the even larger Bluebird satellites, is one of the brightest objects in the sky.
The Newest and Largest Starlink Satellites Are Also the Faintest
Despite being four times larger than the original Starlink satellites, the new "Mini" version is fainter — as dim as astronomers have recommended such satellites be.
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.
