400 Earth-size rogue planets could be wandering the Milky Way
When NASA's Nancy Grace Roman Telescope comes online, it could be capable of spotting as many as 400 Earth-size rogue planets, and that might merely be the tip of the iceberg.
TroibNews 
When NASA's Nancy Grace Roman Telescope comes online, it could be capable of spotting as many as 400 Earth-size rogue planets, and that might merely be the tip of the iceberg.
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