Historically, the term nebula was used by astronomers to refer to any "fuzzy" patches seen in observations. They were described as "fuzzy" or hazy extended objects, in comparison to stars, which appear as points of light, and star clusters, which are extended groupings of many stars. A nebula can either be a light patch or a dark patch, depending on its internal characteristics and how it interacts with external radiation. Sort the following images as either a nebula or not a nebula.
Note:
some astrology imges are shown
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St. louis, missouri, and san francisco, california, both lie around 33° north latitude. st. louis is inland, while san francisco is on the coast of the pacific ocean. which statement about these north american cities would be true? san francisco will be warmer than st. louis in the winter. san francisco and st. louis will be about the same temperature year round. san francisco will be warmer than st. louis in the summer. san francisco will be warmer than st. louis year round.
Answers: 1
Historically, the term nebula was used by astronomers to refer to any "fuzzy" patches seen in observ...
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