Astronomers at Australia's national radio and optical observatories will watch as a probe released from a spacecraft slams into a comet about 133 million km away at a speed of nearly 37,000 km/h (10.2 ...
A comparison of a young (top) and old (bottom) galaxy observed as part of the SAMI Galaxy Survey. Panels on the left are regular optical images from the Subaru Telescope. In the middle are rotational ...