Comet C/2025 R3 pan stars is a comet that will swing past Earth as it follows its orbit. This upcoming passage provides an opportunity for observation and study of its characteristics and trajectory.
“on its orbit around the sun, which takes it 160,000 years to get all the way from the or cloud on the edge of the solar system and bring it close to the sun again.”
“So, because we haven't seen this comet before, we don't have an idea on exactly how bright it actually will get.”