The image shows a diagram of the solar system. Which of the following planets is known as the 'Red Planet'?

Smaller pieces of heavy stones and metals which burn out upon entering the Earth's atmosphere are known as:

The death of a star results in a neutron star if the original mass of the star in terms of the mass of the Sun $(M)$ is:

$A$ total solar eclipse is observed from the Earth. At the same time,an observer on the Moon views the Earth. She is most likely to see ($E$ denotes the Earth):

The speed of recession of a galaxy is proportional to its distance.

The flash spectrum confirms a/an: