... Jupiter Unpeeled . ... Slice Jupiter from pole to pole, peel back its outer layers of clouds, stretch them onto a flat surface ... and for all your trouble you'd end up with something that looks a lot like this. ... Composite Crab . ... The Crab Pulsar, a city-sized, magnetized neutron star spinning 30 times a second, lies at the center of this composite image of the inner region of the well-known Crab Nebula. ... About 8000 years ago, a star in our Galaxy exploded. ... Contemplating Mars . ...