A team of astrophysicists say that cosmic inflation—a point in the universe's infancy when space-time expanded exponentially, and what physicists really refer to when they talk about the "Big Bang"—can in principle be ...
Astronomy
Nov 3, 2022
10
130
Early in its history, shortly after the Big Bang, the universe was filled with equal amounts of matter and "antimatter"—particles that are matter counterparts but with opposite charge. But then, as space expanded, the universe ...
General Physics
Sep 8, 2022
282
893
The universe was created 13.7 billion years ago in a blaze of light: the big bang. Roughly 380,000 years later, after matter (mostly hydrogen) had cooled enough for neutral atoms to form, light was able to traverse space ...
Astronomy
Apr 20, 2015
11
70
It was just a week ago that the news blew through the scientific world like a storm: researchers from the BICEP2 project at the South Pole Telescope had detected unambiguous evidence of primordial gravitational waves in the ...
General Physics
Mar 25, 2014
64
0
(PhysOrg.com) -- The widely-accepted theory of cosmic inflation states that our universe expanded rapidly in the moments after its birth, resulting in the immense expanse we see today.
General Physics
Feb 27, 2012
141
0
Sometimes a scientist can only laugh in the face of a seemingly insurmountable challenge.
General Physics
Feb 13, 2012
124
0
(PhysOrg.com) -- Is there anybody out there? In Alejandro Jenkins' case, the question refers not to whether life exists elsewhere in the universe, but whether it exists in other universes outside of our own.
General Physics
Jan 12, 2010
49
0
What happened in the first trillionth of a trillionth of a trillionth of a second after the Big Bang? Super-sensitive microwave detectors, built at the National Institute of Standards and Technology, may soon help scientists ...
General Physics
May 3, 2009
7
0
In the very early universe, physics were weird. A process known as inflation, during which the universe went from a single infinitesimal point to everything we see today, was one such instance of those weird physics. Now, ...
Astronomy
Nov 17, 2023
0
87
The universe is big, as Douglas Adams would say.
Astronomy
Sep 11, 2023
6
344
