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Emirates Astronomical Observatory names the new stars as Zayed-V1, Zayed-V2, and Zayed-V3

A variable star is one that brightens and ims in cycles that may range in length from hours to months. How does it happen?

When he was unjustly fired from his job as an astronomer in 1957, Frank Kameny took up a lifelong struggle for the civil rights of gay people

Nova Cas 2021, a ‘new star’ – a classical nova – discovered on 18 March 2021 in the northern constellation of Cassiopeia, has suddenly brightened in the past few days by around two magnitudes. It now shines at around magnitude +5.2, possibly within naked-eye range from a dark-sky UK location. Nova Cas 2021 (V1405 Cas) has brightened by around two magnitudes in the past few days. The image on the left shows it on 5 May 2021 at 10:23 UT, while the one on the right, taken on 8 May 2021 at 10:03 UT, shows the recent outburst. Compare its brightness with the magnitude +6.6 star HIP 115691 ...

Sun, 09 May 2021 17:44 UTC A star in the constellation Cassiopeia that flared into view during mid-March has erupted to naked-eye visibility. Catch it while you can! © Bob King Nova Cassiopeia 2021 (V1405 Cas) shines at magnitude 5.5 on Saturday night, May 8th, from Duluth, Minnesota. It's located about 5.5° above the familiar W of Cassiopeia. The view faces north around 11:30 p.m. local time. Novae are full of surprises. When discovered at the onset of the explosion, a nova can brighten from obscurity and become visible in binoculars in a matter of hours. Some plateau and then fade. ...