soho

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…

3 months ago

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,…

2 years ago

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…

2 years ago

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…

3 years ago

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…

5 years ago

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,…

6 years ago

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…

9 years ago

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…

9 years ago

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…

9 years ago

ISON Stopped Making Dust Just Before It Passed By The Sun And Disintegrated

Last year's Thanksgiving adventure for astronomers happened when Comet ISON passed within 1.2 million kilometres (750,000 miles) of the Sun.…

10 years ago