Space Facts MCQs with Answers

Who coined the term "Black Hole" in 1967?

• A.Stephen Hawking
• B.John Archibald Wheeler
• C.Subrahmanyan Chandrasekhar
• D.Karl Schwarzschild

We send messages to space for long distances using which rays?

• A.X-rays
• B.Gamma rays
• C.Radio waves
• D.Ultraviolet rays

Past Paper MCQ

Who discovered sunspots?

• A.Newton
• B.Kepler
• C.Copernicus
• D.Galileo

The hottest stars are the blue stars and their temperature is around _?

• A.25000°C
• B.10000°C
• C.50000°C
• D.15000°C

Light year is a unit of _?

• A.Time
• B.Intensity of light
• C.Speed
• D.Distance

The moon's surface is also covered with a layer of fine dust called?

• A.Basalt dust
• B.Regolith
• C.Cosmic silt
• D.Lunar loess

What is a White Dwarf?

• A.A lightless star which has collapsed after its Hydrogen supply has been used up
• B.A massive star that explodes at the end of its life cycle
• C.A newly formed star that has just begun nuclear fusion
• D.A star that emits only white-colored light throughout its life

Why is the temperature inside the sun very hot?

• A.Due to fusion
• B.Due to fission
• C.Due to chemical burning
• D.Due to gravitational collapse alone

The energy emitted from the sun is supposed to be due to:

• A.Chemical combustion
• B.Nuclear fission
• C.Nuclear fusion
• D.Radioactive decay

Bodies which usually fall from the sky to the earth are called?

• A.Comets
• B.Meteorites
• C.Asteroids
• D.Satellites