From Youtube, "The observable universe is a big place that has been around for more than 13 billion years. Up to two trillion galaxies made up of something like 20,000 billion billion stars surround our... continue reading
posted by w1ndex 3 years 8 months 3 weeks ago • 211 views • 11:41search results matching tag: alone on planet
» channel: learn
Search took 0.000 seconds
- 1
Videos (2) | Sift Talk (0) | Blogs (0) | Comments (124) |
Out in the vast coldness of outer space, there are planets that travel alone through the darkness without the boundaries of a system. Here’s how this can happen – and why these frozen deserts might... continue reading
posted by w1ndex 5 years 3 months 4 weeks ago • 329 views • 8:25- 1