Sun's Structure Article- Part 1

What is the primary composition of the sun?

• Hydrogen and helium

• Oxygen and nitrogen

• Carbon and neon

• Iron and nickel

How long does it take for light from the sun to reach Earth?

• About 8 minutes and 19 seconds

• About 5 minutes

• About 10 minutes

• About 15 minutes

What process in the sun creates helium from hydrogen?

• Nuclear fusion

• Nuclear fission

• Radioactive decay

• Chemical reaction

What percentage of the sun's mass is made up of elements other than hydrogen and helium?

• 1.69%

• 5%

• 10%

• 0.5%

How long does it take for the sun to complete one orbit around the center of the Milky Way?

• 225 million to 250 million years

• 100 million years

• 500 million years

• 1 billion years

What is the primary composition of the sun?

• Iron and Nickel

• Oxygen and Silicon

• Hydrogen and Helium

• Carbon and Neon

What percentage of the solar system's total mass is contained within the sun?

• 75.5%

• 88.9%

• 95.2%

• 99.8%

What state of matter makes up most of the sun?

• Solid

• Liquid

• Gas

• Plasma

What happened to the parts of the molecular cloud that didn't become the sun?

• They disappeared into space

• They turned into other stars

• They became planets and other solar system bodies

• They were absorbed by the sun

What percentage of the sun's mass consists of elements other than hydrogen and helium?

• 1.69%

• 4.85%

• 7.92%

• .02%