(cosmology) a universe that is spatially closed and in which there is sufficient matter to halt the expansion that began with the big bang; the visible matter is only 10 percent of the matter required for closure but there may be large amounts of dark matter
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No telescope? No problem! You can study astronomy any place, any time. Expand your knowledge of stars, planets, and galaxies with this list of words related to space science.
No telescope? No problem! You can study astronomy any place, any time. Expand your knowledge of stars, planets, and galaxies with this list of words related to space science.
You'll have a stellar vocabulary once you review this list of of terms related to cosmology. Expand your knowledge of the universe as you learn about galaxies, constellations, and the solar system. Reach for the stars!