Test Practice: Earth & Space

Front

What is a comet?

Back

A comet is a small celestial body made of ice, dust, and rocky material that, when close to the Sun, develops a glowing coma and a tail due to the evaporation of its ice.

Front

What causes a comet's tail?

Back

A comet's tail is caused by the Sun's heat, which evaporates the ice in the comet, turning it into gas and creating a tail that points away from the Sun.

Front

What is the brightest star in the night sky?

Back

The brightest star in the night sky is often considered to be Sirius, but Manu is a fictional example used in questions.

Front

Why does Manu appear brighter than Godzilla?

Back

Manu appears brighter than Godzilla because it is closer to Earth.

Front

What is a galaxy?

Back

A galaxy is a massive system that consists of gas, dust, stars, and their solar systems, bound together by gravity.

Front

What is the name of our home galaxy?

Back

The name of our home galaxy is the Milky Way.

Front

What are asteroids?

Back

Asteroids are small rocky bodies that orbit the Sun, primarily found in the asteroid belt between Mars and Jupiter.

Front

How are asteroids different from comets?

Back

Asteroids are primarily made of rock, while comets are made of ice, dust, and rocky material.

Front

What is the solar system?

Back

The solar system is a collection of celestial bodies, including the Sun, planets, moons, asteroids, comets, and meteoroids, that are bound by gravity.

Front

What is the closest planet to the Sun?

Back

The closest planet to the Sun is Mercury.