10 Interesting Facts about Vega

Astronomy Science ~ Vega is the brightest star in the constellation Lyra, the fifth brightest star in the night sky, the second brightest s...

Astronomy Science ~ Vega is the brightest star in the constellation Lyra, the fifth brightest star in the night sky, the second brightest star in the northern hemisphere sky after Arcturus, and a "neighboring star" Sun at a distance of 25.3 light-years away.

Here are some interesting facts about the star Vega

1. Vega is surrounded by a huge disk of dust, which shows that planet formation activity was going on in the system Vega.

2. The diameter of the star Vega about 2.73 times the radius of the sun.

3. Due to the higher period, Vega burn fuel at a rate much faster than our sun. Mass  is approximately 2.3 to 3.1 times the mass of the sun.

4. age main sequence star like Vega star estimated to be about 1 billion years old, compared with the Sun which is expected to reach the age of 10 billion years.

5. Vega will become a red giant about 650 million years in the future when it can no longer fuse together hydrogen in its core (the fuel has run out)

6. The surface temperature at the poles Vega about 18,000 ° F and at the equator about 14,000 ° F.

7. Vega rotates very fast, completing 12 rounds every half hour. Compare with the sun takes 28 days to rotate on its axis. Vega rapid rotation causes a bulge at the equator.

8. Due to the rotation of the Earth's precession effect, about 14,000 years, Vega will become the North Star Polaris replace.

9. Vega was the first star to be photographed besides the sun. It happened in 1850.

10. Star is also called Harp Star because Vega should be harps played by musicians of ancient Greece, Orpheus.

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AstroNation: 10 Interesting Facts about Vega
10 Interesting Facts about Vega
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