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Solar System and Beyond

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Questions and Answers

What is the Sun mainly composed of?

Hydrogen (correct)

Nitrogen

Carbon

Oxygen

What type of star is the Sun?

Red giant star

White dwarf star

Blue supergiant star

G-type main-sequence star (G2V) (correct)

What provides most of the energy for life on Earth?

Light, ultraviolet, and infrared radiation emitted by the Sun (correct)

Geothermal energy from the Earth's core

Energy from the Moon's reflection

Cosmic rays from distant stars

How far is the Sun from the Earth on average?

1 AU (1.496×108 km) or about 8 light-minutes Signup and view all the answers

What is the mass of the Sun compared to the total mass of the Solar System?

About 99.86% Signup and view all the answers

What is the primary source of energy emitted by the Sun?

Nuclear fusion reactions Signup and view all the answers

What is the approximate distance of the Sun from the Galactic Center of the Milky Way?

26,660 light-years Signup and view all the answers

What is the Sun's mass compared to that of Earth?

What is the primary constituent of the Sun's mass?

Helium Signup and view all the answers

What is the Sun classified as in terms of its stellar type?

G-type main-sequence star (G2V) Signup and view all the answers