Earth's Motion
The Moon
Solar System
The Planets
Stars & Galaxies
100

The month of the summer solstice

June

100

The reason the moon shines.

It reflects the sunlight

100

Which model of the solar system is correct: Heliocentric or Geocentric?

Heliocentric

100
This planet is the largest in the solar system

Jupiter

100

The name for the observed patterns of stars in the night sky.

Constellations

200

The shape of the Earth's orbit

Ellipse

200

The flat areas of the moon's surface

maria

200

The number of meters in 1AU. 

150 billion

200

This planet is the last planet in the solar system.

Neptune

200

The name for the distance that light travels in one year.

A light year

300

The tilt of the earth & the Earth’s motion causes what to happen on Earth?

The Seasons.

300

The first phase after new moon

Waxing Crescent

300

A space object made of gas, dust, and ice

Comet

300

The asteroid belt is located between these two planets.

Mars & Jupiter

300

The name of the large cloud from which a star is born.

Nebula

400

The number of days for the Earth to revolve around the sun.

365.25 Days

400


This phase of the moon.

Waning Gibbous.

400

What chemical reaction caused the sun to form?

Nuclear Fusion

400

What factor causes scientists to believe that Mars might have fostered life?

the presence of liquid water.

400

The Milky Way is this type of galaxy.

Spiral

500

What is the difference between an equinox and a solstice?

An equinox is when the Earth is tilted towards the orbit, while a solstice is when the Earth is tilted towards or away from the sun.

500

This type of eclipse has the moon between the earth and the sun

Solar Eclipse

500

What is the difference between a Planet and a Dwarf Planet?

The size

500

This type of planet is small and have rocky surfaces and are close to the sun.

Terrestrial Planets

500

The final step in a low-mass star's life.

A white dwarf.

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