Time-domain astronomy

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At a glance

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Notion

Domain

Science and technology

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What Wikipedia says

Time-domain astronomy is the study of how astronomical objects change with time. Said to have begun with Galileo's Letters on Sunspots, the field has now naturally expanded to encompass variable objects beyond the Solar System.

Excerpt from the Wikipedia article “Time-domain astronomy”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: ESA, CC BY-SA 4.0, via Wikimedia Commons.