Download Free Apps & Games @ PHONEKY.com
Subject: How math was used to discover Pluto?
Replies: 1 Views: 484
aimal 27.07.13 - 03:31pm
An American astronomer named Percival Lowell observed that the orbits of the distant planets Neptune and Uranus changed slightly as they went around the sun. Lowell decided that the changes were being caused by an unseen planet. He called it planet X. Lowell died before he found planet X. *
aimal 28.07.13 - 05:46pm
How much is math important in our life? Please leave your messages. *
Reply
Aimal-Online-School Forum