Tags » Cosmic Microwave Background Radiation

Fifty years of cosmic microwave background

Discovered in 1965, the cosmic microwave background (CMB) is the most ancient light record in the history of the Universe. Despite being detected as a “noise” across the sky, it did not take long for scientists to realise that this radiation is an incredibly rich source of information about the history of the cosmos, setting them on a search for more and more details in this early cosmic signal. 1,668 more words


Discovering the most ancient cosmic light

The Universe has not always been the sparkling mix of stars and galaxies we live in and observe today. In fact, in its first few minutes, it was an extremely hot and dense jumble of light and particles that has been expanding and cooling down ever since. 1,340 more words


Movie Review: The Principle

Last night I attended the documentary, The Principle, and I’d recommend this movie for anyone interested in science, astronomy, and our current understanding of cosmology. 1,186 more words


My CMB book is finally published!

Rather than do my usual Friday post about music, today I am giving an update on my Cosmic Microwave Background (CMB) book, which I am pleased to say has finally been published. 358 more words


Gravitational waves discovery now officially dead

I tweeted this yesterday, but it deserves a blog entry: Gravitational waves discovery now officially dead : Nature News & Comment.

A team of astronomers that last year reported evidence for gravitational waves from the early Universe has now withdrawn the claim.

170 more words

'Light from the big bang' casts no shadows

If the big bang were true, the light from the fireball should cast shadows in the foreground of all galaxy clusters.

Published in Creation magazine… 1,013 more words

John Hartnett

Gravity may have saved the universe after the Big Bang

New research by a team of European physicists could explain why the universe did not collapse immediately after the Big Bang. 404 more words