Advertisements
Read Time:10 Second
Astronomers revealed they’ve come across a mysterious radio burst signal from a galaxy around a billion light-years away with a pattern similar to a heartbeat. CNN’s Tom Foreman explains what it could be.
Happy
0
0 %
Sad
0
0 %
Excited
0
0 %
Sleepy
0
0 %
Angry
0
0 %
Surprise
0
0 %