2 matches found for search term protoplanetary, exact phrase.
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Proplyds in Orion
Here you see a pair of protoplanetary discs ('propyds' for short) forming inside the vast star factory known as the Orion Nebula. The Hubble Space Telescope actually photographed these objects, which will one day become stars and, perhaps, planetary ...
Keywords: Orion, protoplanetary, disc, formation
Emergence of the Terrestrials
This shows a view towards the Sun in the days when the terrestrial planets were forming from the protoplanetary disc, about 4500 million years ago. It shows an advanced stage in the process of planet formation.
Keywords: terrestrial planet, formation, planet, planetesimal, planetoid, accretion