Actual Size Comparison : Sun Vs Planets.

Sumerian astronomers named the sun, moon, Mercury, Venus, Mars, Jupiter and Saturn after their gods. Ancient China named planets after things of nature, like water, fire, or wood. The English names for planets came from the Romans, who named them after their gods and goddesses.

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Auroras also occur on planets such as Jupiter, Saturn, Uranus, and Neptune. These gas giants have thick atmospheres and strong magnetic fields. These auroras are a little different from Earth's as they are formed under different conditions.

Venus has an aurora generated by its magnetotail....

The smallest planet in our solar system and nearerst to the Sun, 

Mecury is only slightly larger than the Earth's Moon. From the surface of Mercury, the sun would appear more than three times as large as it does when viewed from Earth, and the sunlight would be as much as seven times bright...