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Sirius is highly visible in the Northern Hemisphere's winter night sky, because the star has a high luminosity, or intrinsic brightness, relative to other stars, and because it's relatively close ...
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This small dwarf star is at its best viewing position in its obit around the primary star Sirius A in, in 2023. The trick in seeing Sirius B is trying to block out the light of the bright star.
Sirius is bright enough to dominate the night sky after sunset particularly if there are no planets around. It’s very bright because: Sirius is a big blue-white star 25 times the mass of our Sun.
The brightest star in the night sky is the Sirius star. According to NASA, it is over 20 times brighter than our sun and twice as massive, though it might not appear that way to the naked eye.
Sirius was also the Nile Star of the early Egyptians. When they saw it rising just before the sun, they knew that the Nile River would son overflow its banks and add to the fertility of their lands.
Star Guide: A winter cosmic theater at Lake Tahoe. It’s more common than not for stars to have companions, and Sirius is no exception; it's a binary star.
At around 8 p.m., Sirius shines in the southeast; the famed constellation Orion, with its three "belt stars" stands due south, to the upper right.
At around 8 p.m., Sirius shines in the southeast; the famed constellation Orion, with its three "belt stars" stands due south, to the upper right.
At around 8 p.m., Sirius shines in the southeast; the famed constellation Orion, with its three "belt stars" stands due south, to the upper right.
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