Question

Fit us together

Answer 1

A - 5

Venus is sometimes referred to as Earth's twin because of the similarities in size, volume, mass and the gravitational pull. Also, there are similarities in mantle core of both the planets. Along with that, both have certainly a major difference in the surface and atmospheric compositions and temperatures and rotational direction.

B - 4

Mercury, Venus, Earth and Mars are said to be inner planets because they are closer the Sun and have a striking similarity of having surface rocks, a quality absent in any of the giant gaseous outer planets: Jupiter, Saturn, Uranus, Neptune and the dwarf planet Pluto.

C - 1

Mars is called the Red Planet. It is called so because of the huge amount of iron oxide present on its surface, giving it the reddish appearance.

D - 2

The universe was created 13.99 approximately 14 billion years ago. The theory explaining the origin is called the Big Bang Theory. This theory came into being from the fact that universe is expanding and hence at some point in time it must have a starting point, a point of infinite density and high temperature.

E - 3

The solar system stays together due to the gravitational pull of the Sun. Sun a celestial star with its self-luminosity, with high gravitational pull than any of the planets in the solar system.