The interstellar object 3I/ATLAS is expected to make its closest approach to Earth mere days from now, coming within just 167 million miles — a significant gulf, but a mere stone’s throw on the cosmic scale. They’ve been following the object, which is broadly believed to be a comet, for months now as it screams through the solar system. Over a month after its perihelion, or closest pass of the Sun, observations still clearly show 3I/ATLAS’ anti-tail, as Loeb noted in a new update on his blog. “All these things are consistent with a comet nucleus of typical size or smaller, sublimating in sunlight and blowing out dust particles,” he added. “By ignoring them, we remain ignorant.”More on 3I/ATLAS: Mysterious Interstellar Object Now Approaching Earth