by staff

How long does it take Sunlight to reach the Earth?

1 millisecond
9.5 minutes
8.3 minutes
1 minute

Does the Sun rotate like the Planets?


How old is the Sun?

3.5 Million years
102 Billion years
4.6 Billion years
6000 years

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

8.3 AU
1 AU
0.5 AU
100 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?

Yellow Dwarf
Red Giant
Red Dwarf
White Dwarf

What is the colour of the Sun?


What are the atmospheric layers of the Sun?

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

Which is the Visible surface of the Sun?

Transition Region

When is the Solar Corona visible?

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

What are the black spots on the Sun?

Solar Prominence
Sun Spots
Sun Flares
Solar Storms

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

Coronal Mass Ejections
Solar Prominence
Solar Wind
Solar flare

What is a Solar Flare?

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

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

Solar Prominence
Solar Flares
Solar Storms
Solar wind

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

Solar Loop
Solar Prominence
Solar Flash
Solar Ring

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

Red Dwarf
It will just explode
Yellow Giant
Red Giant

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

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