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Planets
Constellations
History
Vocabulary
Types of stars
100
What are the planets in our solar system?
Mercury, Venus, Earth, Mars, Jupiter Saturn, Uranus, and Neptune
100
The smallest constellation is 
Crux
100
Who invented the telescope?
Galileo
100
What is the force of attraction between all masses in the universe?
Gravity
100

This is also called a degenerate dwarf, is a stellar core remnant composed mostly of electron-degenerate matter.

White dwarf star
200

This  planet is the coldest 

What is Neptune 
200
What is the largest constellation 
Hydra 
200
Who studied Earth’s gravity and the solar system? 
Newton 
200

What two Latin words combine to make this word, meaning equal night? 

Equinox 
200

star system consisting of two stars orbiting around their common barycenter.

A binary star 
300
This planet has the shortest days
What is Jupiter 
300
The number of constellations we recognize is 
88
300
Who studied the orbits of the planets?
Kepler 
300

What is a huge cloud of dust and gas in space? 

Nebula 
300

This  is a highly magnetized rotating neutron star or white dwarf that emits a beam of electromagnetic radiation. 

A pulsar 

400
These two planets do not have any moons
What is mercury and venus
400

The Big and Little Dipper are considered ________. This is when a small pattern of stars is found within a constellation.

 asterisms. 

400
What is Maria Mitchell famous for?
She discovered the comet using a telescope.
400
What is the periodic rise and fall of the sea level under the gravitational pull of the moon?
Tide 
400

a hot, blue-white star of spectral type

O type star
500
This planet is mostly made up of hydrogen 
What is Saturn 
500
This is a constellation you see during the winter 
Orion 
500
What is the name of the model that consisted of the Earth and other planets orbited around the Sun?
Copernican Heliocentrism
500
What is the substance that does not emit light or energy?
Dark matter 
500

 is a type of neutron star with an extremely powerful magnetic field. The magnetic field decay powers the emission of high-energy electromagnetic radiation, particularly X-rays and gamma rays

magnetar