Astronomy Unit Test

What type of showers are formed when the debris burns up in Earth’s atmosphere?

• comet showers

• star showers

• rain showers

• meteor showers meteor showers

Who first proposed a heliocentric model of the solar system?

• Ptolemy

• Copernicus

• Brahe

• Galileo

The Big Bang refers to the origin of the _________

• Earth

• Our Solar System

• the Milky Way galaxy

• the Universe

What theory does this model BEST support?

• special relativity

• heliocentric

• big bang

• geocentric

Our solar system is part of what galaxy?

• Alpha Centauri galaxy

• Betelgeuse galaxy

• Milky Way galaxy

• Andromeda galaxy

The image illustrates what type of galaxy

• Barred-Spiral Galaxy

• Spiral Galaxy

• Elliptical Galaxy

• Irregular Galaxy

Which of the following groups contains objects arranged in order of increasing size?

• moon, planet, star, galaxy

• asteroid, planet, moon, galaxy

• galaxy, asteroid, moon, planet

• star, planet, asteroid, galaxy

What makes up a galaxy?

• group of stars that together form visible pattern

• collection of planets orbiting a central star system

• any object that has smaller bodies caught within its gravity

• massive collection of star systems orbiting a central point

Mercury has very little in common with Earth Except

• It has a solid surface composed of rock

• it has has extreme surface temperatures

• it has almost zero atmosphere

• it has no liquid on its surface

Which of the following BEST describes Jupiter's ring?

• solid and icy

• solid and rocky

• thin with several gases

• thin with tiny particles