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- 1. Multiple Choice
What are the the 3 types of galaxies?
Spiral Galaxies, Regular Galaxies, and Lliptical Galaxies
Spiral Galaxies, Irregular Galaxies, and Elliptical Galaxies
Milky Way, Elliptical Galaxies, and Spiral Galaxies
Milky Way, Elliptical Galaxies, and Irregular Galaxies
- 2. Multiple Choice
Place these objects in order from smallest to largest.
Planets, solar system, universe, galaxy
Solar system, planets, galaxy, universe
Planets, solar system, galaxy, universe
Galaxy, solar system, planets, universe
- 3. Multiple ChoiceDistance measurement used by astronomers for distant objects.KilometersLight YearsMilesLight Seconds
- 4. Multiple Choice
What is the name of our galaxy?
Our galaxy is called the Milky Way galaxy
Our galaxy is called the Andromeda galaxy
Our galaxy is called the Grand spiral galaxy.
Our galaxy is called the Whirlpool galaxy.
- 5. Multiple ChoiceHow many stars are in a galaxy.millions or billionsthousandshundredsTen
- 6. Multiple ChoiceA galaxy is a large collection of stars, gas and dust. What is responsible for holding the stars, gas, and dust together in a galaxy?heatlightgravityfriction
- 7. Multiple ChoiceThe Milky Way galaxy is an example of an irregular galaxytruefalse
- 8. Multiple Choice
an immense cloud of dust & gas where stars are born
black hole
nebula
prominence
supernova
- 9. Multiple ChoiceWhat is the life cycle of a medium sized star?Nebula, red giant, nova, white dwarf, black holeRed giant, nova, white dwarf, dead starNebula, red giant, nova, white dwarf, dead starNebula, white dwarf, dead star
- 10. Multiple ChoiceWhat happens when a massive star's life ends?dead starblack hole or neutron starsupernovawhite dwarf
- 11. Multiple Choice
What color of star is the hottest?BlueRedYellowOrange - 12. Multiple ChoiceWhat color of star is the coolest?RedYellowBlueWhite
- 13. Multiple ChoiceThe color of the star tells us itscompositionTemperatureLuminosityMass
- 14. Multiple Choice
a massive ball of gas held together by gravity with a core so hot that nuclear fusion occurs
star
black hole
white dwarf
galaxy
- 15. Multiple Choice
A Hertzsprung-Russell diagram (H-R diagram) is used to…
classify stars by temperature and brightness
illustrate various wavelengths of light
show the distances between stars
differentiate between stars and planets
- 16. Multiple Choice
Sirius is a star about 8.6 light years away from Earth. Which of these statements is correct based on this information?
It would take about 8.6 years for astronauts to travel to Sirius.
Light from Sirius takes about 8.6 years to reach Earth.
Light from Sirius takes about 8.6 light years to reach Earth.
Light from Sirius takes about 8.6 billion years to reach Earth.
- 17. Multiple ChoiceTrue or False
The Sun is the biggest star in the sky.TrueFalse - 18. Multiple Choice
What word best describes our sun?
Average
Supergiant
Dwarf
Red Giant
- 19. Multiple ChoiceWhy do other stars appear so much smaller than the sun?They are much smallerThey are so far awayThey are not as brightThey are dwarf stars
- 20. Multiple ChoiceWhat is the name of the explosion at the death of a massive star?SupergiantSupernovaBlack HoleNebula
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