Meet Musca the Fly, a southern constellation
Musca the Fly is a constellation that lies deep in southern skies and circles the south celestial pole, making it visible any night of the year.
The post Meet Musca the Fly, a southern constellation first appeared on EarthSky.
Ursa Major the Great Bear, home to the Big Dipper
Ursa Major the Great Bear is in Northern Hemisphere skies and is home to the asterism of the Big Dipper, which you can use to find other constellations.
The post Ursa Major the Great Bear, home to the Big Dipper first appeared on EarthSky.
International Astronomy Day is May 7
International Astronomy Day occurs twice a year. The next celebration is on Saturday, May 7, 2022. Find resources and info on the night sky here.
The post International Astronomy Day is May 7 first appeared on EarthSky.
Why are east and west on the sun reversed?
East and west on the sun are opposite from what you might expect. On the sun, east is to the left and west is to the right. Learn why here.
The post Why are east and west on the sun reversed? first appeared on EarthSky.
Antlia the Air Pump on April evenings
Antlia the Air Pump is a constellation that lies in southern skies. It contains dim stars and galaxies, including NGC 2997.
The post Antlia the Air Pump on April evenings first appeared on EarthSky.
Meet the Chamaeleon, a southern constellation
The constellation Chamaeleon the Chameleon is a dark patch of sky that lies deep in the Southern Hemisphere and is visible any night of the year.
The post Meet the Chamaeleon, a southern constellation first appeared on EarthSky.
Sun activity: Giant X-flare, then quiet
Sun activity for the week of April 18 to 24, 2022. We had a record-breaking X-flare this week. Then things got quiet.
The post Sun activity: Giant X-flare, then quiet first appeared on EarthSky.
Meet Sextans, the constellation of the sextant
Sextans the Sextant is a dim patch of sky between Leo and Hydra that is home to some interesting galaxies and one of the largest supermassive black holes.
The post Meet Sextans, the constellation of the sextant first appeared on EarthSky.
Sun activity: A strong storm ended this quiet week
Sun activity for the week of April 4 to 10, 2022. This week has been relatively quiet. But we had an unexpected (albeit brief) strong geomagnetic storm during the night of April 9-10.
The post Sun activity: A strong storm ended this quiet week first appeared on EarthSky.
Hydra the Water Snake, the longest constellation
Hydra the Water Snake is the largest of the 88 constellations. On April evenings, the entire constellation snakes along the southern horizon.
The post Hydra the Water Snake, the longest constellation first appeared on EarthSky.
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