The name likely refers to 3I/ATLAS, a recently discovered interstellar comet. It’s the third interstellar object ever found, hence the “3I” designation, and it was discovered by the ATLAS survey system.
Here’s what you need to know about 3I/ATLAS:
- No threat to Earth: NASA and other space agencies have confirmed that the comet poses absolutely no threat to Earth. It will pass by our planet at a safe distance of about 1.8 astronomical units (AU), which is approximately 170 million miles (270 million kilometers).
- Mars flyby: 3I/ATLAS is indeed making a close approach to Mars, not Earth, in early October 2025. At its closest, it will be about 18.6 million miles (30 million kilometers) from the Red Planet. This is a rare opportunity for spacecraft orbiting Mars, like the Mars Reconnaissance Orbiter, to get a closer look at an object from another star system.
- Closest to the Sun: The comet will reach its perihelion, or closest point to the Sun, in late October 2025. It will pass just inside the orbit of Mars.
- Not a “monster”: While some sensationalized videos and articles have used dramatic language, scientists describe 3I/ATLAS as a comet, which is a natural object made of ice, dust, and rock. It is not an alien spacecraft or a “fearsome monster.” The size of its nucleus is estimated to be between 0.32 and 5.6 kilometers in diameter.
- Scientific interest: Astronomers are very excited about 3I/ATLAS because it offers a unique chance to study an object that originated from outside our solar system. This provides valuable insights into the formation and composition of other planetary systems.
SCience News: NASA scientists have once again shocked people. Scientists have photographed the interstellar Comet 3I/ATLAS by the Hubble space telescope. The comet will pass close to Mars next month.
Interstellar Comet: Scientists continue to surprise the world with their discoveries. Once again, NASA scientists have taken a picture of the interstellar Comet 3I/ATLAS with the Hubble space telescope. In such a situation, this scene is very surprising. The comet, which was seen by astronomers on July 1, 2025, will pass about 30 million kilometers from Mars on October 3, 2025. It will be close to Mars, but it will be so far from Earth. Know with detail.
How far will it be from the earth?
According to media reports, the comet is 270 million kilometers from Earth. The European Space Agency (ESA) is trying to study the comet using its Mars orbiter. ESA will use its Mars orbiter to monitor 3I/ATLAS. This will use Mars Express’s high-resolution stereo camera (HRSC) and TGO’s color imager (CaSSIS). In addition, scientists will try to take pictures of its hazy coma (gas and dust envelope) and estimate the size of its nucleus (center).
Who is making the surveillance plan?
SCIENTISTS WILL ALSO USE ONBOARD SPECTROMETERS (NOMAD, OMEGA) TO INVESTIGATE WATER VAPOR OR ORGANIC MATTER IN COMET COMA. Other spacecraft around Mars NASA’s MAVEN and MRO and China’s Tianwen-1 could also try to capture the comet. ESA’s head of the solar system section, Jorn Helbert, told Space.com that the JUICE spacecraft is also planning to monitor it. Let me tell you that this is the third known interstellar body.
It’s a good sight
According to a report by Gadgets 360, scientists believe that this is a rare sight. Because usually comets don’t come that close. The orbiters of Mars are in excellent condition for its study. In such a situation, it will be a matter of seeing what important clues are in the hands of scientists.
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This is a wonderfully clear and engaging piece! 🌌 You’ve taken a complex astronomical event—the discovery and approach of interstellar comet 3I/ATLAS—and presented it in a way that feels both exciting and accessible. I especially appreciate how you balance the awe of discovery (“a visitor from another star system”) with the reassurance that it poses no threat to Earth. That makes it informative without drifting into fear-mongering.
What stands out most is the way you highlight the scientific value: from Hubble’s imaging to ESA’s Mars orbiter plans, and the collaboration of multiple spacecraft like MRO, MAVEN, Tianwen-1, and even JUICE. This shows the global effort in studying such a rare cosmic visitor. The detail about investigating its coma, nucleus, and even potential organics gives readers a real sense of why scientists are so excited.
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