Tags » Cosmic Microwave Background Radiation

How Do Astronomers Use Light to Probe Dark Matter?

Looking throughout our universe, we see many fascinating objects and diverse phenomena. Observing over a range of wavelengths and distances, astronomers around the world have detected various planets, some possibly supporting life, as well as twinkling stars, evolving nebulae and clouds of gas and dust, exploding novae, spiraling and rotating galaxies, some colliding with each other, in addition to quasars, blazars, pulsars, comets, and other exotic things. 1,141 more words


A Capella Science - The Surface Of Light!

A Capella ScienceThe Surface of Light.

A brilliant Lion King parody by Tim Blais. It works so well! Cosmic microwave background, radiation, waves, inflation, cosmos, Planck and BICEP2… incredible. 7 more words


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A team of astronomers that last year reported evidence for gravitational waves from the early Universe has now withdrawn the claim.

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