Objects in the Sky

Front

Why can't we see constellations during the day?

Back

The sun is too bright.

Front

The sun is:

Back

All of the above (the closest star to Earth, the center of the solar system, made of burning gas).

Front

A constellation is a group of visible ____ that form a pattern when viewed from Earth.

Back

stars.

Front

How long does it take the Earth to complete one orbit around the Sun?

Back

365 days.

Front

What causes day and night?

Back

rotation.

Front

What is a star?

Back

A massive, luminous sphere of plasma held together by gravity.

Front

What is the Milky Way?

Back

The galaxy that contains our solar system.

Front

What is a planet?

Back

A celestial body that orbits a star and is large enough to be rounded by its own gravity.

Front

What is the difference between rotation and revolution?

Back

Rotation is the spinning of an object on its axis, while revolution is the movement of an object around another object.

Front

What is a solar system?

Back

A collection of planets and other celestial bodies that orbit a star.