Astronomy Basic Astronomy 2

Question 1

Which planet is closest to the Sun?

Accepted Answer

Mercury

Answer

Venus

Answer

Mars

Answer

Earth

Question 2

What is the primary source of the Sun's energy?

Accepted Answer

Nuclear fusion

Answer

Chemical burning

Answer

Nuclear fission

Answer

Gravitational collapse

Question 3

Which of these is classified as a dwarf planet?

Accepted Answer

Pluto

Answer

Neptune

Answer

Titan

Answer

Ganymede

Question 4

What causes the phases of the Moon?

Accepted Answer

The relative positions of the Sun, Earth, and Moon

Answer

Earth's shadow

Answer

The Moon's rotation speed

Answer

Changing distance from Earth

Question 5

Which galaxy contains our solar system?

Accepted Answer

Milky Way

Answer

Andromeda

Answer

Triangulum

Answer

Whirlpool

Question 6

What is a light-year a measure of?

Accepted Answer

Distance

Answer

Time

Answer

Brightness

Answer

Speed

Question 7

Which planet is known for its prominent ring system?

Accepted Answer

Saturn

Answer

Jupiter

Answer

Uranus

Answer

Mars