Category Archives: Cosmology

In this category scientific articles about cosmology, abstracts and URL’s are placed. Our acquired knowledge forms, shapes the glasses, the filter through which we perceive the world at the current moment. This is why knowledge of cosmology is necessary.

Do we matter in the cosmos?

Although Carl Sagan said to them almost before a century, that “We are a way for the Universe to know itself”, they don’t know it, they don’t understand it, they write a ‘scientific’ papers about our insignificance and missing sense of … Continue reading

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Making Humans a Multi-Planetary Species

Elon Musk, Chief Executive Officer, SpaceX, Hawthorne, California. By talking about the SpaceX Mars architecture, I want to make Mars seem possible—make it seem as though it is something that we can do in our lifetime. There really is a way that anyone could go if … Continue reading

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Carl Sagan on God

  Carl Sagan’s Best Arguments Of All Time: https://www.youtube.com/watch?v=_D4DyJHKqfg

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Carl Sagans Cosmos – Episode 10 – The Edge of Forever

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IN MEMORIAM: CARL SAGAN

On a Plea for Tolerance We have held the peculiar notion that a person or society that is a little different from us, whoever we are, is somehow strange or bizarre, to be distrusted or loathed. Think of the negative … Continue reading

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Is Gravitation Interaction or just Curved-Spacetime Geometry?

Abstract.  As there have still been attempts to regard gravity, a 100 years after Einstein’s general relativity, not as a manifestation of the non-Euclidean geometry of spacetime, but as a physical field (and therefore as a force), it is high … Continue reading

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Tim Peake boards International Space Station and reports on ‘beautiful launch’

The 26m horsepower rocket engines burned 270 tonnes of kerosene and liquid oxygen in nine minutes to rendezvous with the space station, which circles the planet at 17,500mph, 248 miles above the surface. 11.03am GMT The Soyuz rocket launches on … Continue reading

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The Burden of Proof

ScienceBlogs » Life Science The Burden of Proof [Starts With A Bang] Posted: 27 Dec 2013 12:57 PM PST “Never waste your time trying to explain who you are to people who are committed to misunderstanding you.” –Dream Hampton Perhaps … Continue reading

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China Successfully Soft-Lands Probe on the Moon

http://www.youtube.com/watch?v=xfNb0jeTi2s#t=18

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India’s Mars Orbiter Mission launches successfully

Today at 2:38 PM IST, India made its bid to join the elite rank of interplanetary space-faring nations with the successful launch of its unmanned Mars Orbiter Mission (MOM) from the First Launch Pad at the Indian Space Research Organisation’s (IRSO) Satish … Continue reading

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The Great Debate – What is Life?

http://www.youtube.com/watch?v=xIHMnD2FDeY Roger Bingham (The Science Network): – “How you would define life?” Criss McKey (NASA Ames Research Center): – “We don’t need a definition. We can recognize it by the molecules it leaves behind.” This is not an answer of … Continue reading

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A comprehensive view of cosmological Dark Side

Recent cosmological and astrophysical observations point out that the Universe is in accelerating expansion and filled up with non-luminous matter. In order to explain the observed large scale structures and this accelerating behavior one needs a huge amounts of Dark … Continue reading

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“Switcheroo Gravity” – an idea Einstein missed

By Warren D. Smith, warren.wds@gmail.com, PRELIMINARY, NOT FOR CIRCULATION First draft April 2012. Second draft December 2012. Abstract. We propose a new non-quantum theory of gravity. Recent astronomy observations appear to refute both Einstein’s general relativity (GR) and several previous authors’ “new improved” … Continue reading

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The Beginning of Everything: New Paradigm Shift for the Infant Universe

ScienceDaily (Nov. 29, 2012) — A new paradigm for understanding the earliest eras in the history of the universe has been developed by scientists at Penn State University. Using techniques from an area of modern physics called loop quantum cosmology, … Continue reading

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Alexander Vilenkin. Did the universe have a beginning?

Video: http://sms.cam.ac.uk/media/1228737

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Why there is no such thing as empty space

Could the universe have appeared out of nothing? In a previous video, we argued that typical notions of ‘something’ and ‘nothing’ don’t really make sense according to modern physics. But many commenters objected to this idea, calling it a semantic … Continue reading

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How the universe appeared from nothing

There’s no such thing as a free lunch, or so the saying goes, but that may not be true on the grandest, cosmic scale. Many physicists now believe that the universe arose out of nothingness during the Big Bang which … Continue reading

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The Inflationary Universe

Andre Linde Note:  This article is about inflation, so the abstract is not presented.  However, in Appendix 2, pp. 979-981, the idea is proposed of a separate, co-existing universe of negative energy particles, which cancel out the vacuum energy arising … Continue reading

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Quantum Cosmology: Effective Theory

Authors: Martin Bojowald Comments: 75 pages, 3 figures, Invited Topical Review Journal-ref: Class. Quantum Grav. 29 (2012) 213001 Subjects: General Relativity and Quantum Cosmology (gr-qc); Cosmology and Extragalactic Astrophysics (astro-ph.CO); High Energy Physics – Theory (hep-th) Quantum cosmology has traditionally … Continue reading

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A BALLOON PRODUCING BALLOONS, PRODUCING BALLOONS: A BIG FRACTAL

Think about it this way: previously we thought that our universe was like a spherical balloon. In the new picture, it’s like a balloon producing balloons, producing balloons. This is a big fractal. The Greeks were thinking about our universe … Continue reading

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Mathematicians Offer Unified Theory of Dark Matter, Dark Energy, Altering Einstein Field Equations

ScienceDaily (Sep. 6, 2012) — A pair of mathematicians — one from Indiana University and the other from Sichuan University in China — have proposed a unified theory of dark matter and dark energy that alters Einstein’s equations describing the … Continue reading

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The Nature and Origin of Time-asymmetric Spacetime Structures

Authors: H. D. Zeh (Submitted on 21 Dec 2010 (v1), last revised 28 Aug 2012 (this version, v4)) Abstract: Time-asymmetric spacetime structures, in particular those representing black holes and the expansion of the universe, are intimately related to other arrows … Continue reading

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Gravity as a Non Unitary Process

Several recent posts offered a solution to the Black Hole information paradox. In these posts the argument was made that the Black Hole information conundrum was a just a different version of the overall information problem associated with an expanding … Continue reading

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Is Alice burning or fuzzing?

Is Alice burning or fuzzing? Authors: Borun D. Chowdhury, Andrea Puhm Comments: 13 pages, 6 figures Subjects: High Energy Physics – Theory (hep-th); General Relativity and Quantum Cosmology (gr-qc) Recently, Almheiri, Marolf, Polchinski and Sully have suggested a Gedanken experiment … Continue reading

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Comments on black holes I: The possibility of complementarity

Authors: Samir D. Mathur, David Turton Comments: 34 pages, 6 figures Subjects: High Energy Physics – Theory (hep-th); General Relativity and Quantum Cosmology (gr-qc) We comment on a recent paper of Almheiri, Marolf, Polchinski and Sully who argue against black … Continue reading

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