True or false
11. The gravity of a black dwarf is so great that
nothing can escape.
12....
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True or false
11. The gravity of a black dwarf is so great that
nothing can escape.
12. The main features of the universe are galaxies.
13. The most common element in most stars is
helium
14. Sunspots are dark, cooler areas on the surface
of the Sun.
15. The brightness of most stars increases as the
star's surface temperature decreases.
16. The Sun and all the planets in the solar system
are in the Milky Way Galaxy
17. Each element gives off its own spectrum of
light
18. To separate white light into the colors of the
rainbow, scientists can use a prism.
19. Galaxies with no regular shape are called
elliptical galaxies.
20. Streams of gas shooting from the Sun's
surface are called prominences.
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