Planetary Science
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Planetary ScienceHappy landing: Craft descends onto Eros
On Feb. 12, NEAR Shoemaker became the first spacecraft to land on an asteroid, the space rock 433 Eros.
By Ron Cowen -
Planetary ScienceStormy Weather
The 11-year cycle of solar storms has begun to peak, already affecting several Earth satellites and disturbing electric power systems on the ground, and scientists expect 2 more years of this solar maximum turmoil.
By Ron Cowen -