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  1. Sirius - Wikipedia

    The heliacal rising of Sirius marked the flooding of the Nile in Ancient Egypt and the "dog days" of summer for the ancient Greeks, while to the Polynesians, mostly in the Southern Hemisphere, …

  2. Sirius: The brightest star in Earth's night sky | Space

    Aug 20, 2025 · Sirius, the Dog Star, is the brightest star in the night sky. Learn how to see it, explore its history, and discover its hidden white dwarf companion.

  3. The Dog Star, Sirius, and its Tiny Companion - Science@NASA

    Dec 13, 2005 · This Hubble Space Telescope image shows Sirius A, the brightest star in our nighttime sky, along with its faint, tiny stellar companion, Sirius B. Astronomers overexposed …

  4. What Makes Sirius, the Dog Star, So Special? - Ancient Origins

    Nov 6, 2025 · The accolade of “brightest star in the sky as viewed from Earth” goes to the well-known star Sirius, popularly called the Dog Star due to its role as the dominant star in the …

  5. Sirius: The Dog Star (Alpha Canis Majoris) – Constellation Guide

    Jun 29, 2014 · Sirius, also known as the Dog Star, α Canis Majoris (Alpha Canis Majoris), or Canicula, is the brightest star in the night sky. It lies at a distance of 8.60 light years (2.64 …

  6. Sirius – The Dog Star – Did Ancient Aliens Come From Sirius?

    According to Greek mythology, Sirius was the dog of the hunter Orion and the ancient Romans placed the star in the constellation Canis Major (Latin for “Greater Dog”).

  7. Understanding Sirius: The Dog Star and Its History

    Jun 9, 2024 · In 1862 the American Astronomer Alvan Graham Clark (1832 -1897) discovered that Sirius had a faint companion star. This companion is now called Sirius B, the main star is …

  8. Sirius (α CMa): Star System, Facts, Location, Constellation - Star

    Feb 27, 2025 · Sirius, Alpha Canis Majoris (α CMa), is the luminary of the constellation Canis Major (the Great Dog) and the brightest star in the sky. It is also one of the nearest stars to Earth.

  9. Sirius is going … going … see it NOW - EarthSky

    Feb 21, 2025 · It’s the legendary Dog Star, part of the constellation Canis Major the Greater Dog. From the Northern Hemisphere now, you’ll find Sirius arcing across in the southern sky in early …

  10. The Dog Star - University of Arizona

    Of course Sirius is the primary star of the constellation Canis Major, the large dog, but this is far from the entire story. Sirius seems to have a very ancient and a very wide spread association …