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- 1. Multiple ChoiceAll the base-elements of the periodic table come from...the fission inside stars.the fusion inside stars.the fire inside stars.the fusion of planets.
- 2. Multiple Choice
Which of the following are galaxy types?
Spiral
Elliptical
Spherical
Irregular
- 3. Multiple Choice
Stars are born in clouds of stellar dust called _______________.
nebulas
galaxies
planets
supernovas
- 4. Multiple Choice
What is the most abundant element found in nebulas?
Helium
Carbon
Oxygen
Hydrogen
- 5. Multiple Choice
What temperature does fusion begin?
10 thousand degrees celsius
10 million degrees celsius
10 billion degrees celsius
1 billion kelvin
- 6. Multiple Choice
During the fusion process of a main sequence star, ______________ is turned into _____________.
hydrogen; helium
helium; hydrogen
hydrogen; iron
carbon; oxygen
- 7. Multiple Choice
What factor determines the life cycle of a star?
color
mass
temperature
location in the galaxy
- 8. Multiple Choice
What is the first stage of every star?
protostar
main sequence
blue giant
white dwarf
- 9. Multiple Choice
What is the last stage of our star (the sun)?
red giant
white dwarf
supernova
black hole
- 10. Multiple Choice
How big will our star (the sun) become when it enters the 'red giant' phase?
its radius will become one third its current size
its will radius will envelop the entire solar system
its radius will be the same size as Earth
it will expand to a radius that goes past Earth
- 11. Multiple ChoicePlace these objects in order from smallest to largest.Planets, solar system, universe, galaxySolar system, planets, galaxy, universePlanets, solar system, galaxy, universeGalaxy, solar system, planets, universe
- 12. Multiple Choice
If a galaxy appears to be more red-shifted, that means that ...
it contains more red stars
it is moving away from Earth
it is moving towards Earth
it has just the right amount of gravity
- 13. Multiple Choice
What type of galaxy is this?SpiralEllipticalIrregularIrrational - 14. Multiple ChoiceWhat type of galaxy is this?SpiralEllipticalIrregularIrrational
- 15. Multiple ChoiceWhat type of galaxy is this?SpiralEllipticalIrregularIrrational
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