IRIS spots plasma rain on sun's surface

On July 24, 2016, NASA's Interface Region Imaging Spectrograph, or IRIS, captured a mid-level solar flare: a sudden flash of bright light on the solar limb – the horizon of the sun – as seen at the beginning of this video. ...

When the going gets tough, the tough get growing

While relentless bright light brings many forms of cyanobacteria to their knees - figuratively, of course - Synechococcus sp. PCC 7002 does the opposite, thriving and growing at a rate that far outpaces most of its peers. ...

Surprise: Small elliptical galaxy actually a giant disk

Astronomers have believed since the 1960s that a galaxy dubbed UGC 1382 was a relatively boring, small elliptical galaxy. Ellipticals are the most common type of galaxy and lack the spiral structure of disks like the Milky ...

GTC obtains the deepest image of a galaxy from Earth

Observing very distant objects in the universe is a challenge because the light which reaches us is extremely faint. Something similar occurs with objects which are not so distant but have very low surface brightness. Measuring ...

Students map Milky Way with dwarf stars

Two astronomy students from Leiden University have mapped the entire Milky Way Galaxy in dwarf stars for the first time. They show that there are a total of 58 billion dwarf stars, of which seven per cent reside in the outer ...

The truth about Scotland's mysterious fireball

On Monday February 29 around 18:45, many lucky people in Scotland and the north of England witnessed something spectacular. A bright light streamed across the sky, flashing several times before fading away. You could see ...

The Milky Way's clean and tidy galactic neighbor

IC 1613 is a dwarf galaxy in the constellation of Cetus (The Sea Monster). This VST image shows the galaxy's unconventional beauty, all scattered stars and bright pink gas, in great detail.

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