your daily awe Planet Building in HD 100546 More than 100 billion…
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your daily awe
Planet Building in HD 100546
More than 100 billion boulders may be swarming in the disk around nearby star HD 100546. In a scene thought similar to the early years of our own Solar System, ever larger rocks…
📷 C. A. Grady et al. (NOAO, NASA/GSFC), CTIO, ESO, NSF · NASA APOD
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