NASA’s twin GRAIL (Gravity Recovery And Interior Laboratory) spacecraft has been successfully placed in lunar orbit at 2 P.m PST on January 1st 2012. This GRAIL-A was accompanied by GRAIL-B after 43 minutes (2.43 pm) of the launch of GRAIL-A on the same new year day. These two spacecraft are located near-polar,elliptical orbit and their [...]
International scientists have observed a black hole swallowing up a quasar accretion disc. The quasar disc is approximately 100-300 billion kilometers across and is identified by its brightly glowing matter. Although the disc lays billions of light-years away from Earth, the NASA/ESA Hubble Space Telescope was recently used in an innovative way to observe phenomena [...]
Humans have been able to observe and record the goings and comings of sun spots since the early 1600’s. It has been discovered that over an 11 year sun cycle the number of these spots waxes and wanes. Generally more sunspots has been associated with more solar activity and eruptions on the sun, while less [...]
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