Tag Archives | sun

English: Image of comet C/1996 B2 (Hyakutake),...

Using many instruments to track a comet

In 16 years of data observations, the Solar Heliophysics Observatory (SOHO) — a joint European Space Agency and NASA mission — – made an unexpected claim for fame: the sighting of new comets at an alarming rate. SOHO has spotted over 2100 comets, mo…

The universe does think small

The biggest galaxies in the universe are elliptical galaxies. The largest of these hold over one trillion stars according to astronomical census takers, compared to 400 billion in our Milky Way. However, new research shows that elliptical galaxi…

NASA extends TIMED mission for fourth time

Nine years after beginning its unprecedented look at the gateway between Earth’s environment and space, not to mention collecting more data on the upper atmosphere than any other satellite, NASA’s Thermosphere Ionosphere Mesosphere Energetics an…