But – especially with last month’s 2nd data release from the Gaia satellite, whose job is measuring star distances – why don’t we know Deneb’s distance for certain?
Mizar and its fainter companion star Alcor are easy to spot in the Big Dipper’s handle.
Mira, in Cetus the Whale, varies in brightness over about 11 months. In late December 2017, it might be near its peak brightness, easily bright enough to be viewed with the eye alone.
Aldebaran – brightest star in Taurus the Bull – is huge! If it replaced our sun, its surface would extend almost to the orbit of Mercury.
Mirfak isn’t as famous as Algol, its brother star in the constellation Perseus. But Mirfak is easier to find and can help guide you to Algol.
It’s not the most famous star in Cetus the Whale, or the brightest, although it carries the designation Alpha. But Menkar has its own claims to fame.
Hamal is the brightest star in Aries the Ram. How to find it in your sky.
Achernar – aka Alpha Eridani – is the 9th brightest star in the sky and the flattest star known.
What’s the scariest star in all the heavens? Around Halloween, look for Algol – a star named for a demon!
The orange-colored star Mirach in the constellation Andromeda acts as your guide star to 3 different galaxies.
Full supermoon at March 2019 equinox