Astronomy Nation,
• Earth May Have Had a Ring System 466 Million Years…
• Earth May Have Had a Ring System 466 Million Years…
Here's something interesting to think about. Evidence has been found that Earth had a ring in the Ordovician era (ca. 466 Ma).
“Positions of the Ordovician impact craters on the reconstructed plate positions of the MER21 model, showing the movement of…
“Areas of continental crust distal to the equator during the Ordovician. Areas older than Ordovician are indicated in salmon…