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As seen from Earth, Sirius is the brightest sky in the night sky. It is best on view during the months of winter in the northern hemisphere. It can be found by finding the constellation of Orion, and using Orion's Belt, to follow down low and to Orion's left.
Wiki User
∙ 15y ago
Wiki User
∙ 13y agoSirius is a star.
It is the brightest star, after the sun, in the northern hemisphere.
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How far apart are Sirius A and Sirius B?
Sirius is a binary star system Sirius A and Sirius B.The distance separating Sirius A from B varies between 8.1 and 31.5 AU. (See related question).
What would happen if the sun was replaced by Sirius A?
Sirius A is about twice as massive as our sun, but has a surface temperature of around 10000 degrees Kelvin, compared with our suns surface temperature of around 5800 Kelvin. The Earth and all of the other planets would be a lot hotter if they remained at their current orbit, though the orbits would change as the gravitational pull of Sirius A would be greater. The water on earth would boil off and it would become a barren planet that could not support life. Even Mars may be too hot to support life if Sirius A were our star.
Is Sirius a a white dwarf?
No, but Sirius B is,
Why would the star Sirius find that its spectral lines are blue shifted?
The spectral lines of Sirius are blueshifted because the star is moving more or less toward us.
Where is Sirius b located in the night sky?
Sirius, which consists of both Sirius A and Sirius B is in the constellation Canis Major, which, if you are looking south, appears below and to the left of Orion. Sirius B itself is too dim to be seen from Earth; the vast majority of the light from Sirius is from Sirius A. Even then, as a binary system, the two stars are too close together for us to see them separately.
How many Jupiter's would fit in Sirius?
5,000.
Would you weigh more or less on Sirius?
Apart from the fact you would be burnt to a cinder as Sirius is 10,000 K. Gravitationally you would weigh about 60 times more than you do on Earth - which would be enough to kill you.
Is Sirus a white dwarf?
Not exactly. A white dwarf would be hard to see from Earth, and Sirius is the brightest star from our point of view. Sirius has two components; one of them, Sirius B, is a white dwarf.
Is sirius moving away from or towards earth?
Towards Earth, at 7.6 km/sec. They say that in the future, we might be in "Sirius" trouble - but the fact is that Sirius doesn't move exactly towards Earth; there is also a sideways movement, so Sirius would miss us.
What is the nerrest star to earth?
That would be the Dog Star: Sirius.
How much would you weigh on Sirius A?
If you weighed 100lb on Earth you would weigh about 5,400 lb for about a millisecond before you were incinerated and turned into vapour. Sirius A is a star about twice the size of our Sun.
What relation is Sirius to Harry Potter?
Sirius is Harry's godfather. Sirius Black is Harry's godfather.Harry is sirius's Godson.
Is 'Sirius C' real or not?
It is not real. Sirius is a two-star system containing only Sirius A and Sirius B.
What is the irony in Harry Potter and the Order of Phoinex?
Well, Kreacher was never pleasant to Sirius because Sirius was not nice to Kreacher, Sirius promised Harry that they would be a proper family but then died, etc.
How far apart are Sirius A and Sirius B?
Sirius is a binary star system Sirius A and Sirius B.The distance separating Sirius A from B varies between 8.1 and 31.5 AU. (See related question).
Is Sirius a giant?
No. Sirius consists of two stars. Sirius A is larger than the sun but is not a giant. Sirius B is a white dwarf,
Hermoine wanted to hand in the marauders map because she feared?
It would fall into the wrong hands, he would get into trouble or Sirius Black could be using one of the entries to gain entrance to the castle.
