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| a zodiacal constellation between Virgo and Serpens also called the Balance |
| a star in an intermediate stage of evolution, characterized by a large volume, low surface temperature, and reddish hue |
| oscillating universe (ŏs'ə-lā'tĭng) Pronunciation Key
A model of a closed universe in which the expansion of the universe slows and reverses, causing a collapse into a singularity, which then explodes into a new universe, repeating the cycle. Such a model implies that our universe is just one of a long line of universes. Scientists have not been able to develop a theory of how a collapsed universe could explode into a new one. |