Stubborn problems
with dark matter, dark
energy, and cosmic
expansion have some
astronomers rethinking
what we know about
the early universe.
BY DAN HOOPER
WWW.ASTRONOMY.COM 21
lily
(lily)
#1
Stubborn problems
with dark matter, dark
energy, and cosmic
expansion have some
astronomers rethinking
what we know about
the early universe.
BY DAN HOOPER
WWW.ASTRONOMY.COM 21