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  1. How hot is the Sun? | Surface Temperature & Variance

    Jul 17, 2021 · The Sun is nearly a perfect sphere of hot plasma. The average surface temperatures are at around 5.778 K. Click for even more facts and information.

  2. Red Giant Star | Facts, Information, History & Definition

    Jun 11, 2020 · A red giant star is a luminous giant star of low or intermediate mass in a late phase of stellar evolution. Its outer atmosphere is inflated and tenuous making its radius several times larger …

  3. The Sun Facts | Information, History, Size, Formation & Definition

    Sep 26, 2019 · The Sun Profile diameter: 1,390,000 km. mass: 1.989e30 kg temperature: 5800 K (surface) 15,600,000 K (core) History of The Sun The Sun is by far the largest object in the solar …

  4. Neptune Facts | Temperature, Surface, Information, History & Definition

    Sep 25, 2019 · Neptune is the fourth largest and the farthest planet of the Solar System with the most powerful wind speeds out of all the planets. Click for more facts.

  5. What Is The Temperature On The Moon? | Centigrade and Fahrenheit

    Nov 14, 2019 · The temperature of the moon ranges from extremely hot (127 Celsius) to extremely cold (-272 Celsius). Its temperature depends on whether you measure the temperature in the sun or the …

  6. Mars Facts | Temperature, Surface, Information, History & Definition

    Sep 25, 2019 · Mars is the fourth planet from the Sun and the second-smallest planet with a thin atmosphere. Click for even more wonderful Mars facts.

  7. Eris Facts | Temperature, Surface, Information, History & Definition

    Oct 8, 2019 · Eris is the most distant dwarf planet, located beyond the orbit of Neptune. It was discovered in 2005. Click for even more interesting facts on Eris.

  8. VY Canis Majoris | Facts, Information, History & Definition

    Jan 30, 2020 · The hypergiant is around 270.000 times brighter than our sun. VY Canis Majoris is cooler than our sun, with an estimated surface temperature of around 3.490 K. Our Sun has around 5.778 K …

  9. Mercury Facts | Information, History, Location, Size & Definition

    Sep 25, 2019 · Mercury is the closest planet to the Sun but, perhaps surprisingly, it does not have the highest temperatures. Click for even more facts.

  10. Supergiant Stars | Facts, Information, History & Definition

    Jun 11, 2020 · Supergiant stars are among the most massive and luminous stars in the universe. They occupy the top region of the Hertzsprung-Russell diagram.