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Originally Posted by Erin Pavlina  I thought Sirius, the Dog Star, Alpha Canis Major was also a really bright star. The bright star I always see by the moon at night I always thought was Sirius. |
Yes, I believe Sirius is the brightest star, though what we see is actually two stars (Sirius A and Sirius B). Venus varies in brightness, according to the time of year, but is normally brighter than Sirius (hence it being called the brightest celestial object).
I may be wrong though - my astronomy is rather rusty.
You can tell it's a star if it twinkles!