How BIG is the Universe? A Photographic Tour. Apollo 17 Lunar Rover (scale: a few metres). Space Shuttle, Columbia (scale: 100 metres). Barringer Crater, Arizona (1.2 km diam, 200 m deep - 50 m diam asteroid at 11 km/s). Earth (diam 12,756 km). Cloud covered Venus (0.95 Earth diameters).
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White dwarf star(remains of core of star and about size of the Earth)
Planetary nebula(remains of outer layers of star)
neutron star about 10 kmacross is at centre (not visible)