Usetutoringspotscode to get 8% OFF on your first order!

  • time icon24/7 online - support@tutoringspots.com
  • phone icon1-316-444-1378 or 44-141-628-6690
  • login iconLogin

How do scientist know how many planets are in the universe?

There are innumerable galaxies and galaxies consists of innumerable solar systems. So it is logical that there are millions of planets in the universe.


You can leave a response, or trackback from your own site.

Leave a Reply

Powered by WordPress | Designed by: Premium WordPress Themes | Thanks to Themes Gallery, Bromoney and Wordpress Themes