Dark matter are invisible objects that react with matter by gravitational force. Scientists believe that the dark matter is made up of exotic particles like WIMPs(Weakly Interacting Massive Particles).In physical cosmology, dark energy is an exotic form of energy that permeates all of space and tends to increase the rate of expansion of the universe.Dark energy is the most popular way to explain recent observations that the universe appears to be expanding at an accelerating rate. In the standard model of cosmology, dark energy currently accounts for 73% of the total mass-energy of the universe.
As you may be aware, in May of this year, NASA launched its final mission to the HST to perform an upgrade. During this tricky mission, the astronauts replaced several key instruments with brand new ones, making the HST into an essentially brand new telescope. Now anybody who’s watched this channel for any length of time knows how I feel about the HST, I think it’s one of the most important scientific instruments ever created. It has shown us views of our universe and provided context of our place within it in a way that has never before been done by anything since the invention of the telescope itself. So it shouldn’t come as any surprise that these latest images from the Hubble’s upgraded cameras are among the most amazing ever taken. Here’s a sample of the latest images from the new and improved Hubble Space telescope released earlier this week. All Animations Courtesy NASA/ESA and can be found here: www.hubblesite.org Music used: Celtic Dawn: www.audiosparx.com Techno Galactica: www.audiosparx.com
Can scientists identify dark matter by mining deep into the Earth’s core? Watch this great clip from BBC science show ‘Most Of Our Universe is Missing’ to find out more.
A variant theory of dark matter and dark energy is proposed. The cause may be a “push” from space itself rather than a pull by some unknown form of matter. What is needed here is not dark matter but rather some grey matter.
Scientists have no idea what it is, but Dark Matter and Dark Energy make up 96% of the Universe. Dark Matter is everywhere. It passes through everything we know on earth at billions of particles every second, yet no one has ever gotten a direct detection of this mysterious dark substance. An even more bewildering force is Dark Energy, which is rapidly pushing apart our Universe. Discovered only ten years ago, scientists are struggling to comprehend its unusual characteristics and answer the ultimate question; what is the fate of our Universe?
4 August 2009=View Counts OVER 9000!!!!!!!!!!!!!!!!!!