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

° '
° '

High confidence

June 2011: How much of the cosmos do scientists actually understand with certainty?
bob_berman_2009
This was originally going to be a column about M87, the amazing ball-shaped galaxy at the heart of the Virgo cluster. It’s got everything a lover of strange would adore, like a federal-deficit-sized black hole and a blue jet gushing from its west side at seemingly 5 times the speed of light. But checking the latest M87 research, I kept finding experts saying, “We don’t yet know …” and “We’re not certain if …” This brought up a different topic: confidence.

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...