Tonight's Sky
Sun
Sun
Moon
Moon
Mercury
Mercury
Venus
Venus
Mars
Mars
Jupiter
Jupiter
Saturn
Saturn

Tonight's Sky — Change location

OR

Searching...

Tonight's Sky — Select location

Tonight's Sky — Enter coordinates

° '
° '

What are gravitational waves, and what do they have to do with the Big Bang? Can scientists detect them?

Akshata Doddamani, via Astronomy.com newsletter
Gravity waves from colliding black holes
Gravity waves radiate through space in this computer visualization of the process. Although gravitational waves have not yet been seen, relativity theory suggests they exist, and facilities around the world are looking for them.
Werner Benger, Zuse-Institut Berlin and Max-Planck-Institut für Gravitationsphysik
Gravitational waves are fluctuations of space-time caused by masses in motion. Models of the Big Bang and inflation (a brief period of hyperexpansion) predict that the dynamics of the expanding universe generated primordial gravitational waves. Fortunately, scientists have several prospects for detecting them.

Already a subscriber? Register now!

Registration is FREE and takes only a few seconds to complete. If you are already registered on Astronomy.com, please log in below.
ADVERTISEMENT

FREE EMAIL NEWSLETTER

Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter.

ADVERTISEMENT
ADVERTISEMENT
BoxProductcovernov

Click here to receive a FREE e-Guide exclusively from Astronomy magazine.

Find us on Facebook

Loading...