EarthSky Tonight—Nov 9, Use constellation Cassiopeia to find Andromeda galaxy
Remember, on a dark night, this galaxy looks like a faint smudge of light. Once you have found it, try again with binoculars or your telescope.
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Remember, on a dark night, this galaxy looks like a faint smudge of light. Once you have found it, try again with binoculars or your telescope.
In both hemispheres, the moon travels an average 12 degrees eastward of the sun daily.
Although the sky chart shows the planet Mars and the star Antares flanking the moon, you are not likely to see either in the twilight glare. You will be lucky…
The brightness of a Cepheid variable star changes because the star is actually expanding and contracting in size.
Cassiopeia was a queen in ancient Greek mythology. According to legend, she boasted she was more beautiful than the sea nymphs, called the Nereids.
The South Taurids are expected to be at their best after midnight tonight, but you can start watching at mid-evening. And the other Taurid shower – the North Taurids –…
The moon will be the easier of the two worlds to see.
If you need some help finding the Andromeda galaxy, there are a couple of different ways to use neighboring constellations to find it.
Remember the Great Square of Pegasus and the star Fomalhaut, and you have what it takes to look out the south window of the Milky Way galaxy!
Every Halloween – and a few days before and after – the brilliant star Arcturus sets at the same time and on the same spot on the horizon as the…