Word: sputnik
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...space moments since Sputnik...
...debunk the notion that the Milky Way is a little-sister galaxy to her neighbor Andromeda. "They're more like fraternal twins," Reid says. And the fact that they are of equal size increases the likelihood that the two will someday collide. (See the Top 50 space moments since Sputnik...
...space moments since Sputnik...
...space moments since Sputnik...
...machines in the hope of having crews in Earth orbit by 2015 and on the moon by 2020. Schedules have slipped some - the original plan was to launch the orbital missions in 2014 - and costs have swollen, though so far not dramatically. (See the Top 50 space moments since Sputnik...