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Orion Rocks! Pebble-Size Particles


Waspie_Dwarf

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Orion Rocks! Pebble-Size Particles May Jump-Start Planet Formation

Rocky planets like Earth start out as microscopic bits of dust tinier than a grain of sand, or so theories predict.

Astronomers using the National Science Foundation’s (NSF) Green Bank Telescope (GBT) have discovered that filaments of star-forming gas near the Orion Nebula may be brimming with pebble-size particles -- planetary building blocks 100 to 1,000 times larger than the dust grains typically found around protostars. If confirmed, these dense ribbons of rocky material may well represent a new, mid-size class of interstellar particles that could help jump-start planet formation.

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