SOHO Chases Asteroid’s Tail – Unmasks “Rock Comet” Phaethon’s Sodium Glow
The SOHO observatory has challenged previous theories about Phaethon, a ‘rock comet’ linked to the Geminid meteor shower, by suggesting that its brightness and tail…
SOHO News
Massive Solar Eruption Captured by Solar Orbiter Spacecraft
The ESA/NASA Solar Orbiter spacecraft has captured the largest solar prominence eruption ever observed in a single image together with the full solar disc. Solar…
A Guide to Solar Flares: What Does It Take To Be X-Class?
Solar flares are giant explosions on the sun that send energy, light, and high speed particles into space. These flares are often associated with solar…
Unusual “Rosetta Stone” Solar Eruption Could Help Explain Mysterious Powerful Explosions on the Sun
In a dramatic, multi-staged eruption, the Sun has revealed new clues that could help scientists solve the long-standing mystery of what causes the Sun’s powerful…
Mars-Directed Coronal Mass Ejection Erupts From the Sun
NASA’s STEREO-A and ESA/NASA’s SOHO spacecraft detected a coronal mass ejection, or CME, leaving the Sun on April 17 at 12:36 p.m. EDT. This CME…
A Small, Bright Surprise: Two Views of a Sungrazing Comet
When scientists downlinked data from Parker Solar Probe’s sixth orbit, there was a small, bright surprise waiting for them: the spacecraft’s first observation of a…
ESA/NASA Solar and Heliospheric Observatory Celebrates a Quarter-Century in Space
The Solar and Heliospheric Observatory launched on December 2, 1995. A joint mission between the European Space Agency and NASA, SOHO’s original operating phase was…
U.S. Naval Research Laboratory’s Large Angle Spectrometric Coronagraph Discovers 4000th Comet
The U.S. Naval Research Laboratory’s Large Angle Spectrometric Coronagraph (LASCO) instrument identified the 4000th comet discovered by the Solar and Heliospheric Observatory (SOHO), a joint…
Citizen Scientist Spots Never-Before-Seen Comet – The 4,000th Comet Discovery Using Solar and Heliospheric Observatory
On June 15, 2020, a citizen scientist spotted a never-before-seen comet in data from the Solar and Heliospheric Observatory, or SOHO — the 4,000th comet…
ESA/NASA SOHO Spacecraft Has Discovered Thousands of Comets – What Makes It So Good at It?
The Solar and Heliospheric Observatory, a joint mission between the European Space Agency and NASA, was not designed to find comets — its original goal…
Solar and Heliospheric Observatory Captures the Sounds of the Sun
Data from ESA (European Space Agency) and NASA’s Solar and Heliospheric Observatory (SOHO) has captured the dynamic movement of the Sun’s atmosphere for over 20…
NASA Satellites Recreate Solar CME Eruption in 3D
The more solar observatories, the merrier: Scientists have developed new models to see how shocks associated with coronal mass ejections, or CMEs, propagate from the…
ESA and NASA Satellites Spot the Return of the Comet 96P
The European Space Agency and NASA mission SOHO — short for Solar and Heliospheric Observatory — got a visit from an old friend this week…
Astronomers Detail the Nature of Solar Brightness Variations
For the first time, researchers reconstruct and detail the two phenomena that are responsible for the fluctuation of brightness in our sun. The Sun shines…
SOHO Reveals Evidence of Seismic G-Mode Waves in Our Sun
Using data from the Solar and Heliospheric Observatory, or SOHO, astronomers have detected a type of wave called g-modes on the Sun. After four decades…
NASA’s Solar and Heliospheric Observatory Celebrates 20 Years of Science
ESA and NASA’s Solar and Heliospheric Observatory celebrate twenty years of space-based science. After 20 years in space, ESA and NASA’s Solar and Heliospheric Observatory,…
An Unusual Comet Skimmed Past the Sun
A new comet was discovered sling-shotting around the sun by ESA/NASA’s SOHO. The comet is not from any known family of comets. A comet circles…
NASA Spacecraft Spots an Unusual Series of Eruptions from the Sun
New research presented at the 2014 Royal Astronomical Society’s National Astronomy Meeting reveals an unusual series of puffs emanating from the base of the sun’s…
