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We see the constellation of Orion as just a 2D projection on the night sky, and it is easy to imagine that all the stars are at the same distance from us. But, as this schematic shows, this is not true. The closest star, Bellatrix, is around 240 ligh...

Here you see a pair of protoplanetary discs ('propyds' for short) forming inside the vast star factory known as the Orion Nebula. The Hubble Space Telescope actually photographed these objects, which will one day become stars and, perhaps, planetary ...

This classic space art example was commissioned for one of my recent books,

In this animation, we initially view our Milky Way galaxy as just one of many others. We then zoom in at an impossible speed, approaching the majestic spiral from an oblique angle. The location of the Solar System is betrayed by the yellow dot toward...