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Being so close together in the sky, Pollux and its brother star Castor are easy to compare. Pollux is brighter and golden in color, while Castor is fainter and white.
The Dog Star, Sirius, is easy to spot because it’s the sky’s brightest star. Procyon – the other Dog Star – is always near its brighter brother on the sky’s dome.
Two stars noticeable for being bright and close together might be Castor and Pollux of the Gemini Twins constellation.
Sirius – in the constellation Canis Major the Greater Dog – is the sky’s brightest star. It’s very easy to spot on winter and spring evenings.
Canopus is sky’s second-brightest star and easy to spot on February evenings, if …
Someday, the star Betelgeuse will run out of fuel, collapse under its own weight, and then rebound in a spectacular supernova explosion. Someday … but probably not soon.
Second-brightest star in Taurus the Bull and closest bright star to the galactic anticenter – the point in space that lies directly opposite of our Milky Way’s center.
We see Capella as the brightest star in the constellation Auriga the Charioteer. It is really two stars, each with a golden color similar to our sun.
We couldn’t live as close to Rigel as we live to our sun, because Rigel is nearly twice as hot – and about 40,000 times brighter – than our local star.
If Aldebaran were placed where the sun is now, its surface would extend almost to the orbit of Mercury.
Earth’s shadow, sea and land