Predicting planets: The highs and lows

ourhomeplanet

In the mid-19th century, astronomers hypothesised an extra planet in our solar system, orbiting between the Sun and Mercury.

from Astronomy News – Space News, Exploration News, Earth Science News, Earth Science http://ift.tt/1ZPpPEo
via IFTTT

Unknown's avatar

Published by ourhomeplanet

I'm presently a student of life who is trying to figure out the mysteries of the universe. Any hints anybody?

Leave a comment