Q.1.
What percentage of the sun is made of helium?

According to NASA, the sun is made of gas: about 91% hydrogen and 8.9% helium.

Q.2.
What year was the planet Pluto classified as a dwarf planet?

Pluto, which was once the ninth planet in the solar system, was demoted to dwarf planet status in 2006.

Q.3.
The largest volcano in the solar system is found on which planet?

Mars, which is known as the Red Planet, is home to the largest volcano in the solar system, Olympus Mons.

Q.4.
What planet is closest to the sun?

Mercury is the closest planet to the sun and is the smallest planet in the solar system.

Q.5.
What feature of the earth protects it from solar radiation?

The earth is protected by its atmosphere from solar radiation. The ozone layer is, in fact, a filter from the highly hazardous ultraviolet radiation (UVR) coming from the sun.

Q.6.
All the planets bear a common feature in relation to their naming, with the exception of?

Every planet in the solar system is named after a god, except planet earth.

Q.7.
The first planet to be discovered using a telescope is?

Using a telescope as the discovery tool, Uranus was the first planet to be discovered in the entire solar system. It was discovered in 1781.

Q.8.
The habitability of the planet Earth is linked to the presence of ______?

In the universe, Earth is the only planet known to harbor life, and its habitability is traced to liquid water.

Q.9.
The Allende Meteorite, which was scattered over Mexico, fell in what year?

In 1969, the Allende Meteorite fell to Earth and scattered over Mexico.

Q.10.
A common feature of both Jupiter and the sun, is that both are composed mainly of ?

The sun comprises about 91% hydrogen and 8.9% helium, while Jupiter is made up of helium and hydrogen.