Tag: comets
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Interstellar Comet 3I/ATLAS Shows Water Emission Far from the Sun, Hinting at Life-Building Molecules Crossing the Galaxy
Interstellar Guest 3I/ATLAS Delivers Surprising Water Signatures In a landmark discovery, the interstellar visitor 3I/ATLAS has shown measurable signs of water, challenging assumptions about how water and the ingredients of life might move through the galaxy. As the third known object to enter our solar system from another star, 3I/ATLAS is no longer just a…
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Interstellar Visitor 3I/ATLAS Skims Mars Sky: What ESA’s Rovers Revealed
Interstellar visitor crosses the Martian sky As October 2025 unfolded, astronomers faced a familiar puzzle: how do you observe something that’s on the opposite side of the Sun? The answer, in part, lay with the many rovers and spacecraft stationed on Mars. From 1 to 7 October, Europe’s ExoMars Trace Gas Orbiter (TGO) and Mars…
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Interstellar Comet 3I/ATLAS: Mars Flyby Captured by ESA
What is 3I/ATLAS? Interstellar object 3I/ATLAS is one of the rare visitors from beyond our solar system. Discovered in 2017 and confirmed as the third interstellar object to enter our cosmic neighborhood, 3I/ATLAS joins the ranks of 1I/ʻOumuamua and 2I/Borisov. Unlike most comets born within the solar system, 3I/ATLAS originates from another star system, carrying…
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ESA’s ExoMars and Mars Express Observe Interstellar Comet 3I/ATLAS
ESA’s Mars Orbiters Turn Their Eyes on a True Interstellar Visitor In a surprising turn for planetary science, Europe’s ExoMars Trace Gas Orbiter (TGO) and Mars Express have recorded observations of the interstellar comet 3I/ATLAS. While the nucleus remains far too faint to resolve, the coma surrounding the comet’s icy-rocky core becomes visible in CaSSIS…
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Rare ESA Images Capture Interstellar Comet 3I/ATLAS Speeding Past Mars
ESA Captures Rare Interstellar Visitor Near Mars The European Space Agency has released remarkable images of interstellar comet 3I/ATLAS as it whizzed past the Red Planet. The observation marks one of the closest looks yet at a celestial body that did not originate in our solar system, offering a rare glimpse into the building blocks…
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Closest view yet of interstellar comet 3I/ATLAS captured by Mars orbiter
Interstellar guest returns to the spotlight The interstellar wanderer 3I/ATLAS has yielded the closest images yet from a Mars-orbiting spacecraft, offering a rare glimpse of a visitor that did not begin in our solar system. European Space Agency (ESA) officials confirmed that the ExoMars Trace Gas Orbiter (TGO), along with NASA’s Mars Express, captured a…
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Closest view of interstellar comet 3I/ATLAS captured by Mars orbiter
New milestone in interstellar exploration The European Space Agency (ESA) has released the closest images yet of interstellar comet 3I/ATLAS, captured during its pass by Mars on October 3. The images were taken by ESA’s ExoMars Trace Gas Orbiter (TGO), with Mars Express contributing observations that, together, provide a unique glimpse of the mysterious visitor…
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Comet 3I/ATLAS Flies By Mars as Perseverance Captures First Image
Comet 3I/ATLAS: A Rare Interstellar Visitor Near Mars Astronomers across the solar system are keeping a vigilant eye on the interstellar visitor known as 3I/ATLAS as it makes a close approach to Mars. While ground-based observatories struggle with the timing and geometry of the encounter, several Mars-bound spacecraft are poised to provide close-up perspectives. The…
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October 2025 Astronomical Events: Harvest Moon & Showers
A skywatcher’s guide to October 2025 October 2025 promises a bounty of celestial sights for stargazers of all levels. As nights grow cooler and darkness arrives earlier, the sky becomes a stage for a curated lineup of events that range from a spectacular Harvest Moon to reliable meteor showers, emerging comets, and captivating planetary pairings.…
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Astronomical Events in October 2025: Harvest Moon, Orionids, and More
October 2025: A Stellar Parade for Skywatchers As nights lengthen and the air cools, October 2025 delivers a diverse and dazzling lineup for stargazers. From a brilliantly illuminated Harvest Moon to meteor showers, planetary dances, and the appearance of fresh comets, this month offers something for everyone who looks up. Whether you’re observing from a…