Sirius A

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Sirius A

Sirius A

The Lifecycle of a Star:

Facts About Sirius A:

Sirius A

Sirius B

Sirius A is part of a binary star system 8.6 light years from Earth. It is currently is in the state of the main sequence, large star.The appearance of Sirius A is whitish blue, with a visual magnitude of -1.44. It is the brightest star in our night sky and the nearest that could be seen without the aid of a telescope. Sirius A is estimated to be 230 million years old, with a temperture about 10,000k.It is the chief star in the constellation Canis Major therefore also known as the Big Dog .

2. LARGE STARBig and huge stars with larger mass.

1. STELLAR NEBULAA huge globe of gas and dust condenses under its own gravity.

2. SMALL STARSun-ike stars with smaller mass.

3. RED SUPERGIANTAs the core runs out of fuel, the outer layers expand and cool down.

3. RED GIANTAs the core runs out of fuel, the outer layers expand and cool down.

4. PLANETARY NEBULAAn expanding shell of gas around an aging star

4. SUPERNOVA A star that is increased in brightness as an explosion ejected its mass

6. BLACK DWARFA white dwarf that no longer emits significant heat or light.

5. BLACK HOLESpace with a gravitational field so intense and sucks all matter so none can escape

5. WHITE DWARFFormed when a low-mass star has exhausted all its central nuclear fuel and lost its layers as a planetary nebula.

5. NEUTRON STARRemains of a collapsing Star


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