s******o
发帖数: 298 | 1 Two new additions to NASA's Small Explorer program will study Earth's highest
clouds and the hot gas woven into the fabric of the universe.
by Vanessa Thomas
U.S. satellites have improved tremendously since the first was launched in
January 1958, but that doesn't mean NASA can't use that first satellite as
inspiration for today's missions. The agency has named two new additions to
its Small Explorers program, modeled after Explorer 1, which discovered
Earth's Van Allen belts. One satellite will |
|
