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Categories: Space: The Solar System
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Published Large coronal hole near the sun's north pole - Large Coronal Hole Near the Sun's North Pole: What You Need to Know


Astronomers captured an image of a gigantic coronal hole hovering over the sun's north pole on July...
Published NASA sees active region on the sun emit another flare - NASA Sees Active Region on the Sun Emit Another Flare


The sun emitted a significant solar flare on Oct. 22, 2012, peaking at 11:17 pm EDT. The flare came...
Published Solar flare: Another M-class flare from Sunspot 1515 - Solar Flare: Another M-Class Flare from Sunspot 1515



Active Region 1515 has now spit out 12 M-class flares since July 3. Early in the morning of July 5,...
Published Particle accelerator region revealed inside a solar flare - Particle Accelerator Region Revealed Inside a Solar Flare



A new study offers direct evidence showing where near-light speed particle acceleration occurs insid...
Published How 1,000 undergraduates helped solve an enduring mystery about the sun - How 1,000 Undergraduates Helped Solve an Enduring Mystery About the Sun



For three years at the height of the COVID-19 pandemic, a group of students spent an estimated 56,00...
Published Towering plume of water escaping from Saturn moon - Towering Plume of Water Escaping from Saturn Moon



Scientists have observed a towering plume of water vapor more than 6,000 miles long -- roughly the d...
Published Why Jupiter doesn't have rings like Saturn - Why Jupiter Doesn't Have Rings Like Saturn


Because it's bigger, Jupiter ought to have larger, more spectacular rings than Saturn has. But new r...
Published One year on this giant, blistering hot planet is just 16 hours long - One Year on This Giant, Blistering Hot Planet is Just 16 Hours Long


Astronomers have discovered an ultrahot Jupiter with shortest orbit of any known gas giant planet. A...
Published Jupiter's moon Europa may have had a slow evolution - Jupiter's Moon Europa May Have Had a Slow Evolution



Europa may have a metamorphic origin for the ocean. While some scientists speculated this, a researc...
Published Better tools needed to determine ancient life on Mars - Better Tools Needed to Determine Ancient Life on Mars


Current state-of-the-art instrumentation being sent to Mars to collect and analyze evidence of life...
Published Spanish lagoon used to better understand wet-to-dry transition of Mars - Spanish Lagoon Used to Better Understand Wet-to-Dry Transition of Mars


In the ongoing search for signs of life on Mars, a new study proposes focusing on 'time-resolved ana...
Published Sound recording made of dust devils (tiny tornadoes of dust, grit) on Mars - Sound Recording Made of Dust Devils on Mars


When the rover Perseverance landed on Mars, it was equipped with the first working microphone on the...
Published Despite new information, Pluto will remain a dwarf planet, cosmologist says - Despite New Information, Pluto Will Remain a Dwarf Planet, Cosmologist Says


Back in 1930, it was an easy answer -- Pluto was a planet because we couldn't see anything else brig...
Published Can life emerge on planets around cooling stars? - Can Life Emerge on Planets Around Cooling Stars?


New research hints that planets orbiting white and brown dwarfs, even in the habitable zone, face a...
Published NASA's Spitzer detects comet storm in nearby solar system - NASA's Spitzer Detects Comet Storm in Nearby Solar System


NASA's Spitzer Space Telescope has detected signs of icy bodies raining down in an alien solar syste...
Published Astronomers find extreme weather on an alien world: Cosmic oddball may harbor a gigantic storm - Astronomers Discover Extreme Weather on an Alien World: Cosmic Oddball May Harbor a Gigantic Storm


A University of Toronto-led team of astronomers has observed extreme brightness changes on a nearby...
Published New telescope is exploring solar system 'outback' - New Telescope is Exploring Solar System 'Outback'


In the outer reaches of our solar system lies a mysterious region far more remote and difficult to e...
Published Evidence supports 'hot start' scenario and early ocean formation on Pluto - Evidence Supports 'Hot Start' Scenario and Early Ocean Formation on Pluto


A new study suggests that Pluto and other large Kuiper belt objects started out with liquid oceans w...
Published Pluto's largest moon, Charon, gets its first official feature names - Pluto's Largest Moon, Charon, Gets Its First Official Feature Names


Legendary explorers and visionaries, real and fictitious, are among those immortalized by the IAU in...
Published Saturn’s moon Dione harbors a subsurface ocean - Saturn’s Moon Dione Harbors a Subsurface Ocean



A subsurface ocean lies deep within Saturn's moon Dione, according to new data from the Cassini miss...