Understanding Our Sun: A Solar System Quiz

What galaxy is our Sun located in?

• Andromeda

• Milky Way

• Triangulum

• Whirlpool

How long ago did the Sun form?

• About 4.5 billion years ago

• About 4.5 million years ago

• About 450 million years ago

• About 45 billion years ago

What is the primary element that makes up the Sun?

• Carbon

• Hydrogen

• Helium

• Oxygen

What process in the Sun's core creates helium from hydrogen?

• Condensation

• Thermonuclear fusion

• Chemical reaction

• Photosynthesis

What is the Sun primarily made of?

• Metal

• Plasma

• Liquid magma

• Rock

What layer of the Sun do we see as its visible surface?

• Core

• Corona

• Radiative zone

• Photosphere

What is the outermost layer of the Sun called?

• Photosphere

• Chromosphere

• Corona

• Convective zone

What does the Sun's gravity primarily influence?

• Orbit of comets

• Growth of plants

• All celestial bodies in the solar system

• Movement of galaxies

How many Earths could fit inside the Sun?

• About 100

• About 1000

• About 10

• About 10000

What percentage of the solar system's total mass does the Sun hold?

• About 50%

• About 75%

• About 99.8%

• About 85%