Green Comets
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Rare Double Comet Lights Up Northern Hemisphere Sky. How To Spot Them
Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere.
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Solar Wind Cuts Comet Lemmon’s Tail In Rare Disconnection Event
Astrophotographer Brennan Gilmore captured a rare “disconnection event” on Oct. 2, showing solar wind cutting Comet Lemmon’s glowing green ion tail. The comet, nearing its October 2025 flyby, displayed a vivid coma and long tail—revealing how solar activity reshapes comets in real time.
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Mars Orbiters Take Rare Images of Interstellar Comet 3I/ATLAS Zooming Past Red Planet
ExoMars TGO captured a series of images with its Colour and Stereo Surface Imaging System (CaSSIS).
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Mystery Green Glow: Interstellar Comet 3I/ATLAS Puzzles Scientists With Change In Colour
3I/ATLAS was discovered on July 1 by the Asteroid Terrestrial-impact Last Alert System (ATLAS) at a distance of 675 million kilometres from the Sun.
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Rare Comet Illuminates Bengaluru Skies In Hues Of Pink, Green And Yellow
The city's skies were painted with vibrant hues of pink, green, and yellow as Comet C/2023 A3 (Tsuchinshan-ATLAS) made its close approach to Earth.
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Rare Green Comet Will Be Closest To Earth Tonight, First Time In 50,000 Years
Finding a remote location to avoid light pollution in populated areas is key to catching a nice view of the comet.
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Rare Green Comet To Make Closest Approach To Earth This Week
The rare green comet will make its closest pass of Earth between February 1 and February 2, according to NASA.
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Rare Green Comet To Fly Past Earth In February For First Time In 50,000 Years
A green comet, which has not been seen in the past 50,000 years, is set to make an appearance in the night sky in the coming weeks. The comet will make its closest approach to the Earth's orbit in late January and early February.
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Rare Comet Fly-By of Mars on Sunday
A fast-moving comet is about to fly by Mars for a one-in-a-million-year encounter with the Red Planet, photographed and documented by a flurry of spacecraft, NASA said.
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Rare Double Comet Lights Up Northern Hemisphere Sky. How To Spot Them
Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere.
-
Solar Wind Cuts Comet Lemmon’s Tail In Rare Disconnection Event
Astrophotographer Brennan Gilmore captured a rare “disconnection event” on Oct. 2, showing solar wind cutting Comet Lemmon’s glowing green ion tail. The comet, nearing its October 2025 flyby, displayed a vivid coma and long tail—revealing how solar activity reshapes comets in real time.
-
Mars Orbiters Take Rare Images of Interstellar Comet 3I/ATLAS Zooming Past Red Planet
ExoMars TGO captured a series of images with its Colour and Stereo Surface Imaging System (CaSSIS).
-
Mystery Green Glow: Interstellar Comet 3I/ATLAS Puzzles Scientists With Change In Colour
3I/ATLAS was discovered on July 1 by the Asteroid Terrestrial-impact Last Alert System (ATLAS) at a distance of 675 million kilometres from the Sun.
-
Rare Comet Illuminates Bengaluru Skies In Hues Of Pink, Green And Yellow
The city's skies were painted with vibrant hues of pink, green, and yellow as Comet C/2023 A3 (Tsuchinshan-ATLAS) made its close approach to Earth.
-
Rare Green Comet Will Be Closest To Earth Tonight, First Time In 50,000 Years
Finding a remote location to avoid light pollution in populated areas is key to catching a nice view of the comet.
-
Rare Green Comet To Make Closest Approach To Earth This Week
The rare green comet will make its closest pass of Earth between February 1 and February 2, according to NASA.
-
Rare Green Comet To Fly Past Earth In February For First Time In 50,000 Years
A green comet, which has not been seen in the past 50,000 years, is set to make an appearance in the night sky in the coming weeks. The comet will make its closest approach to the Earth's orbit in late January and early February.
-
Rare Comet Fly-By of Mars on Sunday
A fast-moving comet is about to fly by Mars for a one-in-a-million-year encounter with the Red Planet, photographed and documented by a flurry of spacecraft, NASA said.
