Astronomy Review

Front

What are the three parts of a comet?

Back

nucleus, coma, and tails

Front

What is the Last Quarter moon phase?

Back

The phase of the Moon where half of it is illuminated and appears as a semi-circle, occurring after the Full Moon.

Front

What is the Waxing Crescent moon phase?

Back

The phase of the Moon where a small sliver is illuminated, increasing in size, occurring after the New Moon.

Front

Who developed the heliocentric theory?

Back

Copernicus, who proposed that the Sun is at the center of the solar system.

Front

What is a New Moon?

Back

The phase of the Moon occurring when it passes between the Earth and the Sun, making it invisible from Earth.

Front

What is the difference between a waxing and waning moon?

Back

Waxing means the illuminated part of the Moon is increasing, while waning means it is decreasing.

Front

What is the significance of the Full Moon?

Back

The phase of the Moon when it is fully illuminated, occurring when the Earth is between the Sun and the Moon.

Front

What are the two types of eclipses?

Back

Solar eclipse (when the Moon blocks the Sun) and lunar eclipse (when the Earth blocks the Sun's light from reaching the Moon).

Front

What is the role of gravity in the solar system?

Back

Gravity keeps planets in orbit around the Sun and moons in orbit around planets.

Front

What is the difference between a planet and a dwarf planet?

Back

A planet clears its orbit of other debris, while a dwarf planet does not.