Comet NEOWISE has completed its close approach to the Sun and is now returning from whence it came. Visible comets like this don’t come around often, so you’re going to want to see this celestial wonder with your own eyes before it’s too late. Here’s how.
It’s neither an asteroid nor a comet but something in between. It’s also parked within Jupiter’s orbit, making this object the first of its kind to ever be detected.
In the three years since ‘Oumuamua visited our solar system, scientists have struggled to explain some of its more enigmatic features, including its cigar-like shape. State-of-the-art computer models are providing some tantalising new clues, showing how the object likely formed and how it became an interstellar interloper.