moving sign


***************************************************************

DN Speak has moved.


Click here to go to DN Speak 2016 for new posts.


***************************************************************


































































Featured: Interviews for the Well-Informed

Featured: Interviews for the Well-Informed

Did you know? After the last post on this page is a link to "Older posts".

Thursday, December 12, 2013

ELI5: If it is said that the gravitational pull of Black Holes...

...is so strong that it attracts light, then wouldn't that require light to have mass?

Read more


No comments:

Post a Comment








Click Older Posts above to see more.





Search this blog