Sun

by staff

How long does it take Sunlight to reach the Earth?

8.3 minutes
1 millisecond
1 minute
9.5 minutes

Does the Sun rotate like the Planets?

No
Yes

How old is the Sun?

102 Billion years
6000 years
3.5 Million years
4.6 Billion years

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

0.5 AU
100 AU
1 AU
8.3 AU

What is the Sun mostly made up of?

Hydrogen and Helium
Iron
Nitrogen
Carbon

Which reaction produces the energy in the Sun?

Thermonuclear Fusion
Nuclear Decay
Thermonuclear Fission
Combustion

What type of Star is the Sun?

Red Dwarf
Red Giant
Yellow Dwarf
White Dwarf

What is the colour of the Sun?

White
Red
Yellow
Orange

What are the atmospheric layers of the Sun?

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

Which is the Visible surface of the Sun?

Transition Region
Corona
Photosphere
Chromosphere

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 Spots
Solar Storms
Sun Flares

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

Solar Prominence
Solar flare
Solar Wind
Coronal Mass Ejections

What is a Solar Flare?

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

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

Solar Prominence
Solar Storms
Solar wind
Solar Flares

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

Solar Flash
Solar Ring
Solar Prominence
Solar Loop

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

Red Giant
It will just explode
Red Dwarf
Yellow 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 explode
It will become a Compact Star