(n) :
the part of the earth's atmosphere beginning at an altitude of about 50 kilometers (31 miles) and extending outward 500 kilometers (310 miles) or more
History
This word has been viewed 4,412 times.
Know someone who needs a better website?
Refer them to Next Wave Services. If they become a client, your next coffee is on us.
(n) :
the part of the earth's atmosphere beginning at an altitude of about 50 kilometers (31 miles) and extending outward 500 kilometers (310 miles) or more