Cosmology
Cosmologists Provide Closest Measure of Elusive Neutrino
[/caption] Cosmologists – and not particle physicists -- could be the ones who finally measure the mass of the elusive…
Hubble Confirms Cosmic Acceleration with Weak Lensing
[/caption] Need more evidence that the expansion of the Universe is accelerating? Just look to the Hubble Space Telescope. An…
What is Space?
First, some simple answers: space is everything in the universe beyond the top of the Earth's atmosphere - the Moon,…
Cosmological Constant
[/caption] The cosmological constant, symbol Λ (Greek capital lambda), was 'invented' by Einstein, not long after he published his theory…
Big Bang Timeline
The Big Bang timeline is basically just a list of relative times at which the major events in the history…
Searching for Life in the Multiverse
[/caption] Other intelligent and technologically capable alien civilizations may exist in our Universe, but the problems with finding and communicating…
Megaparsec
[/caption] A megaparsec is a million parsecs (mega- is a prefix meaning million; think of megabyte, or megapixel), and as…
Quintessence
Quintessence is one idea – hypothesis – of what dark energy is (remember that dark energy is the shorthand expression…
Baryon
[/caption] Particles made up of three quarks are called baryons; the two best known baryons are the proton (made up…
Early Galaxy Pinpoints Reionization Era
[/caption] Astronomers looking to pinpoint when the reionozation of the Universe took place have found some of the earliest galaxies…