Here is an amazing fact: The matter we know that makes up all stars and galaxies only accounts for 5% of the content of the universe. The rest is called dark matter. It does not interact with the electromagnetic force and therefore does not absorb, reflect or emit light, making it extremely hard to spot. … Read more
In 1933 Fritz Zwicky a Swiss astronomer, was trying to measure the mass of a galactic cluster using two different methods. First he tried to infer it from the rational speed of the galaxies around the center of the clusters. Just like kids on a merry-go-round have to hold on to avoid being ejected, galaxies … Read more
Scientists have determined that roughly 70% of the Universe is dark energy while Dark matter makes up about 25%. The normal matter or everything ever observed with all of our instruments adds up to less than 5% of the Universe. The evidence for the existence of Dark matter comes from the detained analysis of the … Read more
We have shown throughout this blog and its companion book “The Reality of the Fourth Spatial Dimension” there would be many theoretical advantages to assuming the existence of four *spatial* dimensions instead of four-dimensional space-time. One of them is that it would provide explanation for both the gravitational properties of particles and those of Dark Matter … Read more