Sun

by staff

How long does it take Sunlight to reach the Earth?

1 minute
9.5 minutes
1 millisecond
8.3 minutes

Does the Sun rotate like the Planets?

Yes
No

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
Carbon
Iron
Nitrogen

Which reaction produces the energy in the Sun?

Thermonuclear Fission
Thermonuclear Fusion
Nuclear Decay
Combustion

What type of Star is the Sun?

Red Giant
Yellow Dwarf
Red Dwarf
White Dwarf

What is the colour of the Sun?

White
Red
Orange
Yellow

What are the atmospheric layers of the Sun?

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

Which is the Visible surface of the Sun?

Corona
Transition Region
Photosphere
Chromosphere

When is the Solar Corona visible?

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

What are the black spots on the Sun?

Solar Storms
Sun Flares
Solar Prominence
Sun Spots

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
Light from the Corona
A stream of charged particles
An intense burst of radiation

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

Solar Storms
Solar Prominence
Solar Flares
Solar wind

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

Solar Ring
Solar Loop
Solar Prominence
Solar Flash

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