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Guess when a comet will be spotted to win a SOLARMAX DVD
ESA`s solar satellite, SOHO, has become the best comet spotter the world has ever known. When SOHO`s latest solar images are posted on the Internet, astronomers and space enthusiasts alike are thrilled when they spot evidence of new comets that have never been seen before as they pass close to the... view more (2002-05-10)
SOHO`s private view of a sunbathing comet
You could see it easily with your unaided eye (but don`t try!) if only Comet Machholz 1 were not so very close to the Sun. This unusual comet, reputed to flare up a lot, is today sweltering only 18 million kilometres from the Sun. This is its closest approach on an orbit that brings it back to... view more (2002-01-09)
Winds of 320 000 kilometres per hour on the Sun
The SUMER instrument on the ESA-NASA SOHO spacecraft has measured amazing wind speeds during its observations of the Sun. It sets a new record in its examination of two loops of gas arching in the solar atmosphere, where NASA`s TRACE satellite spotted bright blobs of gas. Shifts in the wavelength... view more (2002-05-17)
Unusual views of the Sun
For centuries, we have worshipped it and wondered at it, but it`s only now that we are getting a really good look at it. Although you can`t gaze at the Sun with the naked eye, thanks to modern science we can view images of our nearest star that confirm the fiery glory our ancestors could only... view more (2002-05-21)
SOHO discovers its 1500th comet
The ESA/NASA SOHO spacecraft has just discovered its 1500th comet, making it more successful than all other comet discoverers throughout history put together. Not bad for a spacecraft that was designed as a solar physics mission. view more (2008-06-30)
Has SOHO ended a 30-year quest for solar ripples?
The ESA-NASA Solar and Heliospheric Observatory (SOHO) may have glimpsed long-sought oscillations on the Sun's surface. The data will reveal details about the very core of our central star and it contains clues as to how the Sun formed, 4.6 billion years ago. view more (2007-05-04)
Violent days on the Sun
On Tuesday 23 July 2002 space scientists recorded the largest of four powerful solar flares, all occurring in the space of just eight days. Solar flares are tremendous explosions in the atmosphere of the Sun, with the most powerful class, called the X class, capable of releasing as much energy as... view more (2002-07-26)
Solar loops spring into view
Huge loops of very hot gas rising above the Sun`s surface vibrate with enormous energy at times of solar storms. This is the latest surprise from ESA`s flotilla of spacecraft - SOHO, Ulysses and the four Cluster satellites - with which scientists are trying to make sense of how disturbances on the... view more (2002-06-13)
Solar flares set the Sun quaking
Data from the ESA/NASA spacecraft SOHO shows clearly that powerful starquakes ripple around the Sun in the wake of mighty solar flares that explode above its surface. The observations give solar physicists new insight into a long-running solar mystery and may even provide a way of studying other... view more (2008-04-21)
ESA studies the Sun-Earth climate link
Meteorologists can no longer view the Earth as an isolated system. Both long-term climate changes and day-to-day weather show links with the Sun`s activity. Scientists therefore study the nature of those links intensely. With data from ESA`s spaceprobes SOHO, Cluster, and Ulysses, we now have the... view more (2002-08-23)
New technique provides the first full view of the far side of the sun
The hidden face of the sun is fully visible for the first time, thanks to a new technique developed at Stanford University. view more (2006-03-14)
NASA Scientists Closer to Timely Space Weather Forecasts
Scientists funded by NASA have made big strides in learning how to forecast "all clear" periods, when severe space weather is unlikely. The forecasts are important because radiation from particles from the sun associated with large solar flares can be hazardous to unprotected astronauts,... view more (2005-08-18)
UK Provides Effective Access To Upcoming Solar Dynamics Observatory
Details of UK involvement in upcoming mission to study the Sun will be outlined at the RAS National Astronomy Meeting in Birmingham on Thursday 7th April. Dr Lidia van Driel-Gesztelyi of UCL's Mullard Space Science Laboratory will make a presentation on NASA's Solar Dynamic Observatory mission,... view more (2005-03-30)
Starquakes reveal stellar secrets
Looking into the interior of the Earth or the Sun is a bit similar to examining a baby in its mother`s womb using an ultrasound scan. Light cannot penetrate the area, so we make pictures in these cases using sound waves, which human ears cannot hear. With SOHO, ESA has probed deeply into the Sun... view more (2002-08-14)
Focus On Solar Outbursts
While scientists and aurora spotters marvel at the explosions on the Sun, everyone responsible for the hundreds of satellites that serve human needs, from weather observations to car navigation, wishes that these potentially damaging events were more predictable. So do the astronauts aboard the... view more (2003-11-19)
Screaming CMEs Warn of Radiation Storms
A CME (Coronal Mass Ejection) is a solar body slam to our high-tech civilization. CMEs begin when the sun launches a billion tons of electrically conducting gas (plasma) into space at millions of miles per hour. view more (2007-05-29)
Solar-B - a new solar mission to study the dynamic Sun
A new Japanese-led solar mission with ESA participation is preparing for launch on 23 September 2006. Solar-B will study the mechanisms which power the solar atmosphere and look for the causes of violent solar eruptions. view more (2006-09-21)
Scientists listen in on the Sun to reveal new insights into its fiery dynamo
Scientists studying sound waves from deep inside the Sun have provided new insights into the solar dynamo within, which could help to explain how the Sun`s colossal magnetic field behaves. An international team of researchers report in the journal Science today (5 April issue) that they have... view more (2002-04-04)
Catch a few rays this summer
Scientists already excited by NASA's plan to catch a piece of the Sun (Guardian, Monday 16 July 2001) can now catch up on the current sum of human knowledge about our star with the publication of The Cambridge Encyclopedia of the Sun. While NASA will spend around £120 million on the Genesis... view more (2001-07-25)
COROT space mission ready to search out new planets and map the interior of stars
The COROT mission is scheduled for launch on the 27th December 2006, from Baikonur in Kazakhstan. view more (2006-12-21)
The Sun`s Twisted Mysteries
Solar physicists at the Mullard Space Science Laboratory (MSSL, University College London) in Surrey have found new clues to the thirty year old puzzle of why the Sun ejects huge bubbles of electrified gas, laced with magnetic field, known as coronal mass ejections (CMEs). In a paper published this... view more (2002-08-30)
Williams College faculty/student team travel to study solar eclipse
A team of Williams College faculty and students is preparing to scientifically observe the total eclipse of the Sun that will sweep across the far side of Earth on March 29. view more (2006-03-21)
ESA chairs the International Living With a Star programme
ESA is providing the first chairman for the International Living With A Star (ILWS) programme. ILWS is an unprecedented initiative in which space agencies worldwide are getting together to investigate how variations in the Sun affect the environment of Earth and the other planets, in the short... view more (2003-02-21)
Jupiter: A cloudy mirror for the Sun?
Astronomers using the European Space Agency's XMM-Newton telescope have discovered that observing the giant planet Jupiter may actually give them an insight in to solar activity on the far side of the Sun! In research reported in the most recent edition of Geophysical Research Letters, they... view more (2005-03-07)
Collaboration and commerce fuel new powerhouse of British science
The philosophy of the Wolfson Institute for Biomedical Research at University College London aims to make it a unique collaboration in current British academia - a synthesis of various medical research disciplines allied to a clear strategy to bring its ideas into application as quickly as... view more (2000-04-10)
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