A space camera optical system based on an off-axis four-mirror freeform design is one such solution, offering a 70° ultra-wide field of view from a 640 km orbital altitude. This system is an ideal ...

First motion is almost always a big event in the world of space exploration. Whether the first motion is of a wheel beginning to rotate or a rocket lifting off the pad, first motion means things are ...

I love taking wide-field images of the night sky. Revealing the hidden depths of a large swath of the heavens in a long-exposure photograph shows me that space isn’t actually empty — it’s filled with ...