soho
Someone Just Found SOHO's 5,000th Comet
The Solar and Heliospheric Observatory (SOHO) was designed to examine the Sun, but as a side benefit, it has been…
The Solar Radius Might Be Slightly Smaller Than We Thought
Two astronomers use a pioneering method to suggest that the size of our Sun and the solar radius may be…
The Sun is Slowly Tearing This Comet Apart
Using ground-based and space-based observations, a team of researchers has been monitoring a difficult-to-see comet carefully. It's called Comet 323P/SOHO,…
During a Solar Flare, Dark Voids Move Down Towards the Sun. Now We Know Why
Solar flares are complex phenomena. They involve plasma, electromagnetic radiation across all wavelengths, activity in the Sun's atmosphere layers, and…
25 Years of Solar Cycles in One Incredible SOHO Mosaic
For a quarter of a century, the ESA-NASA Solar and Heliospheric Observatory (SOHO) has been essential in helping scientists understand…
Did You Know the Earth’s Atmosphere Extends Beyond the Orbit of the Moon?
Strictly speaking, there aren't strict boundaries between Earth and space. Our atmosphere doesn't just end at a certain altitude; it…
22 Years Of The Sun From Soho
SOHO is celebrating a huge milestone, and one it was never intended to meet: it has now observed one complete,…
Watch an Enormous “Plasma Snake” Erupt from the Sun
Over the course of April 28–29 a gigantic filament, briefly suspended above the surface* of the Sun, broke off and…
Kamikaze Comet Loses its Head
Like coins, most comet have both heads and tails. Occasionally, during a close passage of the Sun, a comet's head will…
A New Sungrazing Comet May Brighten in the Evening Sky, Here’s How to See It
A newly-discovered comet may soon become bright enough to see from a sky near you. Originally dubbed SOHO-2875, it was spotted…