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Locations on the Sun's disk where new spots were seen to emerge: on the right in these plots, the West of the Sun, many new spots are missing as they are invisible.

Invisible spots on the Sun
from Solar Exterior

Sunspots appear dark because of their low temperature compared to the surrounding regions. The Sun is constantly producing new spots, and their identification and tracking is essential for predicting ‘Space Weather.’ But a team of UK scientists have discovered a surprising proble...

Article Posted: 12-03-2008


The corona of an active region adjacent to a coronal hole, seen by Hinode (credit: NAOJ/JAXA/NASA/STFC/ESA)

The Sun's hot secrets
from Solar Exterior

With the invention of the telescope at the beginning of the seventeenth century, Galileo discovered Saturn’s rings, sunspots on the sun, and craters on the moon. Today, advances in technology are still crucial to the discovery process. Advanced telescopes onboard the Japanese sat...

Article Posted: 03-01-2008


Researchers at the University of St Andrews have developed a more detailed computer model of the Sun's magnetic field than previously possible.

Modelling the Sun's explosive corona
from Solar Exterior

The sun's atmosphere is a violent, chaotic place, threaded with ropes of twisted magnetic field that build up stress and cause vast explosions more powerful than any man-made bomb. Direct measurements of the magnetic field are impossible, so scientists resort to complex computer ...

Article Posted: 20-11-2007


The AARDDVARK antenna at the British Antarctic Survey base, Rothera, Antarctica.

Radio AARDDVARK
from Ionosphere / Atmosphere

Scientists are using bouncing radio waves to monitor the upper atmosphere and study ozone loss in the Arctic and Antarctic.

Article Posted: 20-11-2007


In search of sprites
from Ionosphere / Atmosphere

With their lightning, thunder and torrential rain, thunderstorms are pretty impressive from below. But it’s the spectacular light shows above the clouds that scientists are watching.

Article Posted: 24-10-2007


A UV image of Jupiter taken by the Hubble Space Telescope Imaging Spectrograph. The main auroal oval, diffuse emissions inside the polar cap and the magnetic footprints of three of Jupiter's moons can clearly be seen. (NASA, ESA & Univ of Michigan)

Extra-terrestrial aurora
from Planetary

The Earth isn’t the only planet in our solar system to possess a magnetic shield or play host to auroral lights. UK scientists are at the forefront of efforts to understand the similarities between aurorae at Earth and some of our planetary neighbours.

Article Posted: 14-08-2007


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