by staff

How long does it take Sunlight to reach the Earth?

8.3 minutes
1 minute
9.5 minutes
1 millisecond

Does the Sun rotate like the Planets?


How old is the Sun?

102 Billion years
4.6 Billion years
6000 years
3.5 Million years

How far is the Sun from the Earth in Astronomical Units?

8.3 AU
1 AU
100 AU
0.5 AU

What is the Sun mostly made up of?

Hydrogen and Helium

Which reaction produces the energy in the Sun?

Thermonuclear Fission
Thermonuclear Fusion
Nuclear Decay

What type of Star is the Sun?

White Dwarf
Red Dwarf
Yellow Dwarf
Red Giant

What is the colour of the Sun?


What are the atmospheric layers of the Sun?

Photosphere, Chromosphere and Solar Corona
Photosphere, Thermosphere and Ionosphere
Thermosphere, Ionosphere and Troposphere
Core, Radiation zone and Convection Zone

Which is the Visible surface of the Sun?

Transition Region

When is the Solar Corona visible?

During Total Solar Eclipse
During Sunset
During Sunrise
During Total Lunar Eclipse

What are the black spots on the Sun?

Solar Prominence
Sun Flares
Sun Spots
Solar Storms

Which Solar activity ejects plasma and magnetic field into the Space?

Coronal Mass Ejections
Solar Wind
Solar Prominence
Solar flare

What is a Solar Flare?

A large bright loop made up of gas
A stream of charged particles
Light from the Corona
An intense burst of radiation

What are the stream of charged particles released from Corona called?

Solar Flares
Solar Storms
Solar wind
Solar Prominence

What are the large loop like structures on the Sun's surface?

Solar Prominence
Solar Flash
Solar Loop
Solar Ring

What will the Sun become when there isn't enough Hydrogen in its core?

It will just explode
Red Giant
Yellow Giant
Red Dwarf

What will happen to the Sun after the Red Giant phase?

It will become a Compact Star
It will explode
It will become a White Dwarf
It will become a Black Star