1. Who gave evidence for the expansion of the universe?

Johannes Kepler

Eratosthenes

Galileo Galilei

Edwin Hubble

2. Which is the brightest star in the night sky?

Sirius

Vega

Betelgeuse

Rigel

3. Which is the most abundant element in the universe?

Oxygen

Nitrogen

Hydrogen

Helium

4. Which is the second most abundant element in the universe?

Helium

Nitrogen

Hydrogen

Oxygen

5. The time taken by the sun to complete one revolution around the centre of Milky Way is termed as

Cosmic Time

Solar Year

Cosmic Year

Light year

6. What is the name of the largest constellation?

Virgo

Hydra

Ursa Major

Hercules

7. What is time required for light to travel between Moon and the Earth?

1.3 seconds

1.3 minutes

1.3 hours

1.3 nanoseconds

8. Which one of the following planets reflect sunlight the most?

Mercury

Mars

Venus

Saturn

9. The most reflected body in the solar system is a moon. Name it

Enceladus

Europa

Titan

Ganymede

10. The measure of how much light that hits a surface is reflected without being absorbed is called?

Irradinace

Albedo

Emissivity

Radiosity