Cosmology

  • Expanding Universe and the Mysterious Force of Dark Energy

    We know that the universe is expanding, but do you know that the rate of this expansion is increasing? Why? Because a strong mysterious force is stretching the universe and the space-time which puts gravity to shame. This mysterious force is called Dark Energy.
    Published by Mushfiq (347 pts) on Sep 4, 2009 to
    Space Articles

  • Biocentrism - Matter from Mind

    Biocentrism has made a resurgence in recent years. The theory that human consciousness creates the universe is not new but is gaining steam.
    Published by Brian Jones (847 pts) on Sep 1, 2009 to
    Space Articles

  • What is a Multiverse?

    While there are many theories about multiverses, some of them are stranger than fiction. This article throws a little light on some of the most perplexing theories, including the many-worlds interpretation, bubble theory and the M-theory.
    Published by Anurag Ghosh (18162 pts) on Aug 29, 2009 to
    Space Articles

  • The Shape of the Universe and Human Perception

    How does our inability to perceive reality completely impact our perception of the shape of the universe?
    Published by Dr. Crystal Cooper (3412 pts) on Aug 25, 2009 to
    Space Articles

  • Imaging a Black Hole

    One of the more frustrating aspects about black holes is that by nature they are "unobservable," sort of. If they swallow anything within their event horizon, including light, how are we to observe them? Especially when they tend to accrete massive amounts of gas and debris around them?
    Published by slight_underweft (1296 pts) on Jul 30, 2009 to
    Space Articles

  • Gamma Ray Bursts and the Early Universe

    The universe may be a very big place, but it isn't infinitely large; in fact, you may be surprised to know there's even a (estimated) size for it, a size arrived at by studying a time machine we all are familiar with - the night sky.
    Published by Sean Fears (5850 pts) on Jun 30, 2009 to
    Space Articles

  • The Pioneer Anomaly

    The Pioneer anomaly, a subtle but unexpected deceleration observed on many unmanned spacecraft, has puzzled scientists for decades. Here's an overview of what the Pioneer anomaly is and some of proposed explanations for its existence.
    Published by allychevalier (14652 pts) on Jun 25, 2009 to
    Space Articles

  • The Copernican Revolution

    The Copernican Revolution changed the way the world viewed its place in the universe. It introduced the concept of the heliocentric model of the solar system that predicted the Earth revolved around the Sun. Previous models stated that the Earth was the center of the universe.
    Published by Jason C. Chavis (4350 pts) on Jun 8, 2009 to
    Space Articles

  • Doppler Shift and Its Role In Astronomy - The Redshift

    Depth perception is an ability that most of us take for granted, but it took some of the best minds and pointed observation of the night sky before we would be able to resolve stellar objects in the third (or fourth!) dimension
    Published by Sean Fears (5850 pts) on May 31, 2009 to
    Space Articles

  • White Holes: Violent Emission

    Now, among the plentitude of objects in theoretical cosmology, we come across the event of the white hole, a theoretical "hole" in the universe that is violently emitting matter, a black hole in "negative" time.
    Published by slight_underweft (1296 pts) on May 30, 2009 to
    Space Articles

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