Astronomy

Question 1

________ is the total amount of light energy that is radiated by a star from its surface.

Answer 1

Luminosity

Question 2

The moon’s ______ was where the astronauts of Apollo 11 landed.

Answer 2

Sea of Tranquility

Question 3

Jupiter’s innermost moon,____ , is said to be the most volcanically active body in the Solar System, with roughly 400 active
volcanoes

Answer 3

Io

Question 4

When a massive star runs out of nuclear fuel and collapses, and forms a , it emits an explosion called gamma-ray
bursts. are points in spacetime where gravity is so strong, even light cannot escape its pull.

Answer 4

black hole

Question 5

Pluto’s natural satellites include Styx, Nix, Kerberos, and its largest, Charon pronounced like “Sharon” in honor of its
discoverer James Christy’s wife,

Answer 5

Charlene

Question 6

Mars has two moons in orbit:

Answer 6

Phobos and Deimos.

Question 7

are tiny, rocky objects that orbit the Sun in a belt called the _______ belt.

Answer 7

Asteroids

Question 8

is the speed that an object needs to be traveling in order to leave the gravitational field of a celestial body.

Answer 8

Escape velocity

Question 9

is a star system located in the Milky Way galaxy.

Answer 9

Our Solar System