How long did it take N. E.A. R. to reach Eros? A 4years
B 4.5 years
C 5years
D 5.5 Years

Explanation:

NEAR remained in this orbit for 10 days and then was backed out in stages to a 100 km circular orbit by September 5, 2000. Maneuvers in mid-October led to a flyby of Eros within 5.3 km of the surface at 07:00 UT on October 26.

Launch date: February 17, 1996 20:43:27 UTC; ...

Closest approach: June 27, 1997 12:56 UTC; .

the reason the two sea urchins don't compete with each other for food, resources, etc. is because the urchins have adapted to the environment but they have also adapted to each other. this is most likely because the genes of the sea urchins.

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