Big Bang Cosmology: Looking Back To The Dawn Of Time

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Science@ESA Vodcast (Episode 2): Planck - Looking Back To The Dawn Of Time (Part 1): Big Bang Cosmology.

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In the Science@ESA series Rebecca Barnes will take you on a journey of discovery into the rapidly evolving field of space astronomy and planetary exploration.

In this second episode Rebecca takes a close look at Planck - a European Space Agency mission built to detect radiation from the microwave portion of the electromagnetic spectrum. This mission will help find answers to some of the most important questions in modern science.

• http://astronomy2009.esa.int
• http://www.youtube.com/esa

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The Big Bang is the cosmological model of the initial conditions and subsequent development of the Universe that is supported by the most comprehensive and accurate explanations from current scientific evidence and observation.

As used by cosmologists, the term Big Bang generally refers to the idea that the Universe has expanded from a primordial hot and dense initial condition at some finite time in the past (currently estimated to have been approximately 13.7 billion years ago), and continues to expand to this day.

• http://en.wikipedia.org/wiki/Big_Bang

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Planck was selected as the third Medium-Sized Mission (M3) of ESA's Horizon 2000 Scientific Programme, and is today part of its Cosmic Vision Programme. It is designed to image the anisotropies of the Cosmic Background Radiation Field over the whole sky, with unprecedented sensitivity and angular resolution.

Planck will provide a major source of information relevant to several cosmological and astrophysical issues, such as testing theories of the early universe and the origin of cosmic structure.

Planck was launched on 14 May 2009 together with the Herschel satellite. After launch, Planck and Herschel separated and are now proceeding to different orbits around the second Lagrangian point of the Earth-Sun System.

• http://www.esa.int/SPECIALS/Planck/index.html
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[FallofDarkness55]

the 10 people who disliked this are justin bieber fans who have a really low iq. lmfao.

[bogieman987]

@FallofDarkness55 Or creationists.

[pseudorandomly]

@msam1970

(cont) This superdense state filled the Universe with radiaition; unless something absorbs the radiation, it's still roaming around, and it's that remnant radiation that we detect as the cosmic microwave background.

[pseudorandomly]

@msam1970

Your objections all stem from a single misunderstanding of the Big Bang. The Big Bang wasn't an explosion that happened "way over there". The entire Universe, and that means all of *space* as well as all of the matter *in* space, began as an extremely tiny point, far, far smaller than a proton. The Big Bang happened EVERYWHERE because EVERYWHERE was concentrated in this single point.

[msam1970]

If you're going to take the money, maybe I should have a say in the accuracy and accounting for the Results! seeing that you are total perfunctory idiots! well then idiots get of my back you bugs from the black hole in my pocket. Space Science is Retarded Lying F*CK UPS.

Complete!

[msam1970]

Woman Science! well, you have to SELL it somewhere? why not sell it to the easiest source of yes, gov'me'nt funds.

How do you get it that we are seeing the effects of the Big BANG! [Heist!!] hands up give me your money.

When this EXPLOSION happened FAR Away, and we are HERE Already anyways, HOW did we get Here AHEAD of the explosion to see the effects!?!

More queerer; we came from the Big BANG! (HEIST!!) and we're already formed and ready to observe the stuff coming from It Gr. 2 U-FAIL! ! !

[jvictorthegreat]

I would shag her ! More than once.

[VaiRoth]

@asmodeous9 Exactly