- 1. All that exists (matter and non-matter) make up the ___________ .
A) atmosphere
B) solar system
C) earth
D) universe
- 2. _____________ are collections of stars, gas, & dust held together by _________ .
A) galaxies, gravity
B) nebulae, gravity
C) solar systems, gravity
D) galaxies, universal hold
- 3. Luminous (shiny) balls of gas in space are called ______________ .
A) asteroids
B) satellites
C) comets
D) stars
- 4. Stars are created from clouds of dust and gas found in ______________ .
A) black holes
B) nebulae
C) the atmosphere
D) solar flares
- 5. A violent explosion of a high mass star at the end of it's life is called a ____________ .
A) fulmination
B) flare up
C) supernova
D) outburst
- 6. Galaxies are classified by their ____________ .
A) smell
B) shape
C) color
D) mass
- 7. The three types of galaxies are ____________ , ______________ , _____________ .
A) elliptical, spiral, and orbtrix
B) irregular, galactic, and elliptical
C) spiral, elliptical, and irregular
D) galactic, spiral, and orbtrix
- 8. The theory of the observation that other galaxies are moving away from our own at great speed, in all directions, as if they had all been propelled by an ancient explosive force is known as ________________ .
A) The Inflationary Theory
B) The Bouncing Universe Theory
C) The Bubble Universe Concept
D) The Big Bang Theory
- 9. Stars in the middle of their lifespan are called ______________ .
A) white giants
B) main sequence star
C) neutron stars
D) red dwarfs
- 10. As stars age and burn their fuel, their color changes and their temperatures _________________ .
A) increases
B) decreases
C) emits baby unicorns
D) stays the same
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