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Episode: The Solar System Gets Bigger, Neptune's Moon's Mini-Moon, Weird Twins, A Tiny T-Rex and More!

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021919 jr dino feat

A deer-sized T. rex ancestor shows how fast tyrannosaurs became giants

The newly discovered fossil’s name, Moros intrepidus, means ‘the harbinger of doom’

A new dinosaur shows that even Tyrannosaurus rex had humble beginnings. ...

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