The planet Venus is now appearing in the west after sunset and in the east before sunrise. Don’t believe it? Astronomer Bruce McClure reports on his observation.
To see Venus now, you have to look very low in a twilight sky. Luckily, Venus is bright! Use binoculars to scan for it near the horizon. Photo taken March 18, 2017 by Julie Stracener in Burleson, Texas.
Considering both poles in February 2017, Earth essentially lost the equivalent of a chunk of sea ice larger than Mexico, in contrast to the average global minimum for 1981-2010.
It’s possible that Mars’ closer moon – Phobos – might alternate between becoming a planetary ring and clumping together to form a moon.
An artist's impression of a ring around Mars, formed by its tiny moon Phobos.
Credit: Made using Celestia, Copyright (C) 2001-2010, Celestia Development Team
The Crab Nebula, about 6,500 light years from Earth, is the scattered fragments of a supernova, or exploding star. Earthly skywatchers observed it in AD 1054.
Crab Nebula via Hubble Space Telescope