◆ On Pluto, the sky appears so dark even in day time. So, a person able to see stars also during the day.
● The brightest and darkest moon of Uranus are Ariel and Umbriel respectively.
◆ In our solar system, the outer planets (Saturn, Jupiter, Uranus and Neptune) possess rings. But only the Saturn's ring is very thick and bright while others have very thin ring.
● There is a very huge strom present on the Jupiter that's raged for at least the last 150 years. Its width is twice the width of the earth. As it appears red, so it's called the Great Red Spot.
◆ Jupiter has a slightly flattened shape due to its extremely rapid spin.
● An emission nebula emits light of various wavelengths which is formed of ionized gases.
● It is found that the earth's orbit is slowing down at a rate of 2 milliseconds in every 100 years.
◆ Venus is the second closest planet to the Sun. But, the sunlight takes almost 6 minutes to reach the Venus.
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