1. Jun 26, 2018 #1

   Suekdccia

   

   ?

    

   Last edited: Jun 26, 2018

   Suekdccia, Jun 26, 2018
2. 
   Phys.org - latest science and technology news stories on Phys.org

   • • Hydrogen sulfide detected in the protoplanetary disk of GG Tauri A
   • • Students digging into data archive spot mysterious X-ray source
   • • First coronal mass ejection from a star other than the sun observed
3. Jun 26, 2018 #2

   jedishrfu

   

   Insights Author

   Staff: Mentor

   This may answer your question mark
   
   https://www.grc.nasa.gov/WWW/k-12/Numbers/Math/Mathematical_Thinking/observer.htm

    

   jedishrfu, Jun 26, 2018

• Log in with Facebook
• Log in with Twitter

Your name or email address:

Do you already have an account?

• No, create an account now.
• Yes, my password is:
• Forgot your password?

Stay logged in