Some Interesting Fun Facts About Moon

Some Interesting Fun Facts About Moon. The Moon or Luna is the Earth’s only natural satellite that was formed 4.6 billion years ago around some 30–50 million years after the formation of the solar system. The Moon Orbits the Earth every 27.3 days. The Moon is in synchronous rotation with Earth meaning the same side is always facing the Earth.

Some Interesting Fun Facts About Moon

Some Interesting Fun Facts About Moon

Some Interesting Fun Facts About Moon

Let’s delve into some interesting fun facts related to Moon:-

Moon facts in figures

Radius: 1738 km
Gravity: One-sixth of that of the Earth
Duration of one revolution around the Earth: 2753 days
Average distance from the Earth: 384400 km

Why does the moon change its shape?

Some Interesting Fun Facts About Moon

The moon, which causes high and low tides on the Earth is a sphere. It does not change its shape; only our view of it changes. The reason is that unlike the stars, the moon does not produce light, but only reflects the light of the sun.
Since the moon goes around the Earth once in a month, the orientation of the moon, the sun, and the Earth respective to one another changes. For this reason, the illuminated
part of the moon cannot always be seen clearly from the Earth. Sometimes we see it full, sometimes half and sometimes not at all. The side of the moon that faces us
remains the same. We can see the craters and dark spots on the moon, which are known as ‘mares’.

Some Interesting Fun Facts About Moon

Why do we always see the same side of the moon?

Some Interesting Fun Facts About Moon

We always see the same side of the moon because the moon rotates once on its axis during the time it completes one revolution around the Earth -which is 27 days, 7 hours, and 43 minutes. The mutual attraction between the Earth and the moon has tuned these two movements in this way. In fact, we did not know for a long time how the moon looked ‘from behind. In 1959, a Russian probe sent pictures of the unseen side of the Moon to the Earth.
The Apollo spaceship landed on the visible side of the Moon because a radio connection could not be established with the other side.

Why is the moon invisible at times?

We cannot see the moon, which reflects the light from the sun, when sunlight falling on it is not visible from the Earth, or when something comes in the way of the reflected light. The first phenomenon occurs every four weeks at new moon. At this time, the moon is positioned between the Earth and the sun. It reflects the light, but from the ‘invisible side’ so that we cannot see its illuminated surface. The second phenomenon occurs during a lunar eclipse. In this case, the Earth is positioned on a straight line between the sun and the moon, and consequently the sunlight does not fall on the moon.

How did the lunar craters and mares originate?

The moon is covered with craters. There are about 30,000 craters on the side of the moon that faces us. They originated about 3.5-4 billion years ago, when chunks of matter moving around in outer space hit the surface of the moon. As there is no atmosphere or wind on the moon, these craters created by meteorites were not blown away and are preserved till date. The large dark spots on the surface of the moon were earlier believed to be seas and were named ‘mares’, which is the Latin word for ‘seas’. These basins were probably impact craters of asteroids, which were filled with lava. The bright areas on the moon are known as ‘terra’, which means ‘mainland’.

Some Interesting Fun Facts About Moon

How does the moon cause high and low tides?

The moon exercises a force of attraction on the Earth. This pulls at the
water in the oceans lying on the side of the Earth that faces the moon (see
figure). This often gives rise to ‘water mountains’, which generally occur
near the coasts and are known as ‘high tides’. On the side of the Earth that
lies opposite to the moon, low tides are found near the shores. Since the
Earth keeps rotating on its axis, it moves below the waves and every 12 hours
‘comes past a low tide. As a result, there is a high tide every 12 hours. At new
moon, when the sun and the moon are present on the same side of the Earth and both pull at the water on the Earth, the tide is especially high and is known as ‘spring tide’.

Did you know that…

1. The footprints of the astronauts can remain on the surface of the moon for a long time because they are not blown over by the wind.

2. Even at full moon, the Earth is positioned in between the sun and the moon? It is only when there is a lunar eclipse that the Earth is exactly in line with the sun and moon.

3. Eclipses are not rare occurrences at all? In the hundred years between 1900 and 2000, there were a total of 148 lunar and 228 solar eclipses!

Some Interesting Fun Facts About Moon

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