Make a list of the twenty brightest stars in the night sky that can be seen from
Kathmandu. Also note down which constellations they reside in and their Bayer
Designations.
Answers
What is the brightest star in the sky that we can see?
The Sun is the brightest start during the days, because it’s the nearest star to us.
During the night sky, Sirius, also known as the Dog Star or Sirius A, which is Alpha star in Canis Major constellation seen in southern celestial Hemisphere is the brightest star in Earth's night sky. The name means "glowing" in Greek. With a Apparent magnitude *Variable of -1.46 and Absolute Magnitude of 1.4 the star is outshone only by several planets as well as the International Space Station.
Because Sirius is so bright, it was well-known to the ancients. What came as a surprise to astronomers was the discovery of a companion star, Sirius B, in 1862.
The companion is so much dimmer than Sirius — 10,000 times, in fact — that it wasn't until 2005 that astronomers were able to estimate its mass.
(Source Of Information
Follow the belt of Orion to find Sirius.
Orion’s Belt points in one direction to Aldebaran in Taurus, and in the other direction to Sirius in Canis Major.
Locating Sirius
Sirius is highly visible in the Northern Hemisphere winter night sky because it has a high relative to other stars, and it's relatively close to Earth (8.6 light-years). If the star were placed next to Earth's sun, Sirius would outshine it more than 20 times over.
To find Sirius, use the belt of Orion as a pointer. The three stars point downward toward Sirius to the left. To be more precise, the position of Sirius is:
Right Ascension: 06h 45m 08.9s
Declination: -16 degrees 42 minutes 58 seconds
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