Planetary system formation. Illustration of a protoplanetary disc around a young star. Protoplanetary discs are compressed circles, spirals or ellipses of gas and dust that form around protostars in the early stages of their development. Dust within a disc coalesces into planetesimals, which with the addition of more material may form planets.
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Creative#:
TOP29776385
Source:
達志影像
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RM
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須由TPG 完整授權
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