Sign Up
Welcome home! Here at WTMX you can make new friends and meet people with the same interests as you. All free and ad-free.
03d0126fe1e81607b3d8fe4bde5bc46f_1024
Science

Science

Education
Captcha Challenge

Link: #437510

Science
shared a link
Curious Kids: will the universe expand forever, or contract in a big crunch?
www.universal-sci.com
About a century ago, we didn’t even know that galaxies existed. Then, in the 1910s, astronomers figured out how to measure the distance to features called “spiral nebulae” they were seeing in the sky....