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· comet 3i/atlas is the third known object from outside our solar system to be discovered. · astronomers have confirmed a rare and extraordinary discovery: · unlike asteroids, which remain largely unchanged as they orbit, 3i/atlas is behaving more like a comet. (it does not follow a closed orbital path about the sun. ) As solar radiation heats its surface, the object is releasing streams of dust particles that form a distinctive tail pointing away from the sun. The size of 3i/atlass nucleus is uncertain because its light cannot be separated from that of the coma. · 3i/atlas is traveling through our solar system at roughly 210,000 kilometers per hour (130,000 mph), the highest velocity ever recorded for a solar system visitor. Its reddish hue indicates space weathering, a sign of having traveled through interstellar space for millions of years. · nasa’s hubble images reveal interstellar comet 3i/atlas is smaller than thought, yet the largest ever seen, and billions of years old. This follows the landmark discoveries of … This breathtaking sprint is. The third known interstellar object to enter our solar system. Astronomers have categorized this object as interstellar because of the hyperbolic shape of its orbital path. On , astronomers confirmed the discovery of comet 3i/atlas, marking only the third time in recorded history that an interstellar object (iso) has been identified passing through our solar system. 3i/atlas is an active comet consisting of a solid icy nucleus and a coma, which is a cloud of gas and icy dust escaping from the nucleus. · hubble’s imaging and spectroscopic data suggest that 3i/atlas has a surface rich in complex organic molecules and possibly water ice. · hubble captured this image of the interstellar comet 3i/atlas on july 21. A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar. · nasas hubble space telescope got an up-close look at a headline-grabbing object known as 3i/atlas that has wandered into earths cosmic neighborhood.