VisorSat

Astronomy and Society

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.

Venus-Jupiter conjunction

Planets

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.

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