What would you like to do?
What is the brightest star in the universe?
Some of the brightest stars in the open cluster are found in the "Plough" or the "Ursa Major" just like the Epilson Ursai Majoris.
No and No. See related questions.
The brightest star in Cygnus, the Swan is the bright blue star, Deneb. It's name comes from an Arabic word meaning "tail", which makes sense, since Deneb is in the… tail of the swan.
The hottest star is called a blue hypergiant and the brightest star is called a red giant.
The brightest star in the constellation Libra as seen from earth is Beta Librae or Zubeneschamali. It is a blue dwarf star about 160 light years from Earth with a surface temp…erature of 12,000 Kelvin it is about 130 times as luminous as the Sun.
They are called quasars .\n. \nWe occasionally observe short bursts of gamma radiation which outshine even quasars temporarily, but astronomers aren't absolutely certain yet… what causes them.
From Earth the Sun is obviously the brightest star. Otherwise Sirius (The Dog Star) is brightest star discovered so far with a magnitude of -1.42. One of the most luminous… stars in the Galaxy is called The Pistol Star (but dust hides it from view) Yes, from Earth the Sun is the brightest star. But that's not the question: the brightest star in the universe is certainly not the Sun, nor is it Sirius; Spica for instance, is over 10 times the mass of the Sun, thus having a far greater luminosity. But the light years separating Spica from Earth reduces it to the 15th brightest star in the nighttime sky. And the Pistol Star is only one of the brightest stars in the Milky Way Galaxy... The universe however, houses many stars superior to the Pistol Star. The problem with the question is it refers to such an astronomical entity, the vast universe. And as such, it may never be able to be answered with complete accuracy... That isn't the question either, the brightest star known in the universe is R136a1, a blue hyper-giant which is not only the most massive star known, at 265 solar masses, but the brightest. It shines at 8,700,000 times the luminosity of the sun and is a member of the R136, a super star cluster around the centre of the tarantula nebula in the the magellanic cloud, a satellite galaxy of the Milky way.
The actual brightest star is R136a1. It is more than 8 million times as bright as the sun and is also the most massive star. The brightest star in the nighttime sky is Sirius.…
Arcturus ...It's a star 100,000,000,000 times bigger than our own Sun...the bigest star known is VY canis majoris...I estimate that star to be 100 thousand duotrigintillion ti…mes bigger than our sun or even more.........
The Sun, and if you mean at night, that would depend on what hemisphere you're in. In the northern hemisphere it will be Sirius.
Yes and No. A star may seem bright because it radiate a very high amount of visible light - or - because it is closer. For example, two stars may appear equally brig…ht in the sky. One may be closer than the other, but if the farther star radiates more visible light than the closer star, they could both appear to be equally bright to us. However, if the two stars radiate the same amount of visible light, the closer start will always appear brighter.
The north star which is Polaris isn't the brightest star, it is the 45th brightest star in the night time sky standing between Castor A (α Gem) the 44th brightest star and Mi…rzam ( β CMa ) the 46th brightest star
The Sun (Sol) has an apparent magnitude of - 26.74 Siruis (Dog star) with an apparent magnitude of -1.47 (Brightest in the Northern Hemisphere) Canopus with an appare…nt magnitude of -0.72 (Brightest in the Southern Hemisphere) Arcturus with an apparent magnitude of -0.04 (Variable) Alpha Centauri A with an apparent magnitude of -0.01 Vega with an apparent magnitude of 0.03 Rigel with apparent magnitude of 0.18 Procyon with apparent magnitude of 0.34 Achernar with apparent magnitude of 0.50 Betelgeuse with apparent magnitude of 0.58 (Variable) A lower number means more brightness. All of these are apparent magnitudes. If you mean intrinsic magnitude, the answers are somewhat different. Sirius and Alpha Centauri A are bright because they're close to us. Canopus, on the other hand, is much brighter, but also much further away (Sirius is about 8 light years away; Canopus is more than 300 light years away). Off subject: Some planets are brighter (in apparent magnitude) than stars; for example, when Venus appears in the sky, she is always the brightest object (after the Sun and the Moon). In fact, Venus is bright enough to be seen in the broad daylight, if you know where to look. Planets look like stars, but their movement between the stars can be detected if you observe them just for a few nights.