Is the Milky Way a normal galaxy? | | Astronomers assume our Milky Way galaxy is typical. They use our knowledge of it to leapfrog out to understanding the rest of the universe. But is the Milky Way typical? | | |
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Space visionaries boost Pluto lander | | At a NASA symposium this week, space scientists and engineers presented an exciting new concept for a lander that would explore Pluto by "hopping" across its surface. | | |
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