Question

Which of the following statements about the Sun is incorrect?

• A. It is the closest star to the Earth.
• B. It is the main source of heat and light for our planet Earth.
• C. It is made up of hot gases.
• D. It is the biggest star in our galaxy.

Answer 1

The correct option is D It is the biggest star in our galaxy.

The Sun is the closest star to our planet. It is mainly made up of gases like hydrogen and helium. The nuclear reactions within the Sun releases enormous energy in the form of heat and light which is the primary and ultimate source of energy for all planets in the Solar system.
UY Canis Majoris is the biggest known star in our galaxy. It's radius is roughly 2000 times that of the Sun.