The Nature of Dark Matter
By: Stenly • Essay • 333 Words • February 19, 2010 • 948 Views
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The Nature of Dark Matter
We observe the universe around us through many scientific means. However it is through the electromagnetic spectrum, that is everything from radio waves to gamma waves, that we learn about the objects in our world and beyond. However we can also learn about our universe through indirect means, such as the effect of gravity on light as well as larger objects like our galaxy. In fact it is this indirect method of observation that has led us to the discovery of extra-solar planets. As it turns out this indirect method has brought about the discovery of a new and strange material that may well constitute ninety percent of our universe. Where once we believed space was nothing more than random stars and planets and gas floating endlessly in a sea of nothingness, we now have proof that our galaxy and countless others are floating on and ocean of a yet unknown substance named dark matter.
Of all the mysteries in our universe none is more difficult to understand as dark matter. Astronomers know its there due to the unusual bending of light in places where nothing but empty space