10 amazing facts about moons and stars
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MOON
- The highest mountain on the moon is MONS HUYGENS which is over 4700 m tall.
- It is the fifth largest moon in the solar system.
-The first person to set foot on the moon was Neil Armstrong.
-There are moonquakes that are caused by the gravitational force of the earth.
- The moon is moving away from the earth due to the expansion of the universe. ( 3.8 cm every year )
- The moon had active volcanoes on its surface millions of years ago.
- The moon was formed when a celestial body collided with the earth. The debris from the collision formed the moon.
- There is water on the moon that is in the form of ice.
- The moon is actually dark. It appears bright due to the reflection of the sun's light.
- The tide are caused by the gravitational pull of the moon.
STARS
- Stars are formed from the collision of clouds that are high in density of hydrogen.
- The closest star, proxima centauri, is 14.4 trillion kilometers away from earth and will take 54,400 years to reach it.
- Stars twinkle due to the earth's atmosphere.( The light from the stars are disrupted due to the atmosphere, causing distortions in the perspective of the stars by humans ).
- Stars spin really fast. The fastest rotating star is a neutron star that spins 700 times per second.
- A teaspoon of a neutron star would weigh approximately 200 million tonnes due to its relatively high density.
- The largest star in the universe is UY Scuti , whose radius is approximately 1700 times larger than the sun.
- There are ~ 200 sextillion stars in the observable universe.
-There is 8 octillion tonnes of hydrogen fuel for our sun.It uses 600 million tonnes of it every second.
- Everyday, approximately 275 million new star are formed.
- All the stars that you see in the night sky from earth, is less than 1 % of the milky way galaxy's stars.
-The sun produces 100 billion hydrogen bombs every second.( solar energy).
hope this satisfies your curiosity....
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