Question

(e) Why do we see only one side of the moon always?
What is the Universe ?​

Answer 1

Earth orbits the Sun once every 365 days (a year) and spins on its axis once every 24 hours (a day). The Moon orbits Earth once every 27.3 days and spins on its axis once every 27.3 days. This means that although the Moon is rotating, it always keeps one face toward us. Known as “synchronous rotation,” this is why we only ever see the Moon’s nearside from Earth.

All of the manned space missions to the Moon have landed on the nearside due to communication needs, so humans have physically explored this side much more.

We have remotely explored both sides of the Moon with orbiting satellites. In 1959, the Soviet Luna 3 first photographed the farside, and in 1968,

as NASA’s Apollo 8 orbited the Moon, human eyes first viewed it. Since then, many satellites have sent back pictures and other data showing that the farside

of the Moon differs from the nearside.

Answer 2

Answer:

The Moon orbits Earth once every 27.3 days and spins on its axis once every 27.3 days. This means that although the Moon is rotating, it always keeps one face toward us. Known as “synchronous rotation,” this is why we only ever see the Moon's nearside from Earth.

The universe is all of space and time and their contents, including planets, stars, galaxies, and all other forms of matter and energy. The Big Bang theory is the prevailing cosmological description of the development of the universe.

Explanation:

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