10 Facts about Red Giant Star

Post On: February 11, 2017

Facts about Red Giant Star elaborate the details about a luminous giant star.  The red giant star appears yellow-orange to red color.  The stars located at the red-giant branch are considered as the primary example of the most prevalent red giants. The red-clump stars located at the horizontal branch are the other examples. The most common feature that the red giant stars shares is related to the exhaustion of hydrogen supply on the cores. If you are interested to know more about red giant stars, look at the below post:

Facts about Red Giant Star 1: the radii of red giant star

If you think that the radii of red giant star are small, you are wrong. The radii are possibly bigger than the sun.

Red Giant Star Image

Red Giant Star Image

Facts about Red Giant Star 2: the reddish orange color

The reddish orange color of red giant star is produced due to the lower temperature located at the outer surface.

Facts about Red Giant Star 3: the great size

Due to the great size of stars, it is more luminous than the sun even though the outer envelope has the lower energy density.

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Red Giant Star

Red Giant Star

Facts about Red Giant Star 4: the luminosity level

The luminosity level of red giant star is 3,000 times bigger than the sun is. The surface temperature is around 3,000 to 4,000 Kelvin.  The radii are 200 bigger than the sun is.

Facts about Red Giant Star 5: the bright stars

Most bright stars are often included in the list of red giant stars. The bright stars are prevalent and luminous.

Facts about Red Giant Star 6: Arcturus

Arcturus is included in the K0 red giant branch. It is located around 36 light years.

Facts about Red Giant Star 7: the red giant branch

The Aldebaran, Arcturus and Gacrux are included in the red-giant branch. The δ Andromedae, κ Persei and Hamal are included in the list of red-clump giants.

Red Giant Star

Red Giant Star

Facts about Red Giant Star 8: the planets

The giant stars are associated with the discovery of 50 giant planets as of June 2014. Talking about the size of the giant planets, they are bigger than the ones found around the solar stars.

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Facts about Red Giant Star 9: the sun and giant stars

Since the sun is smaller than the giant stars, the size of the planets is also bigger. It is believed that the bigger stars will have bigger planets.

Facts about Red Giant Star

Facts about Red Giant Star

Facts about Red Giant Star 10: the planet mass

There is an argument, which states that the accretion of stellar wind will affect the increased planet mass.

Are you fascinated after reading facts about red giant star?