Also known as research rocket, rocketsonde, suborbital rocket
sub-orbital rocket carrying scientific instruments
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A Black Brant XII being launched from Wallops Flight Facility
A sounding rocket or rocketsonde, sometimes called a research rocket or a suborbital rocket, is an instrument-carrying rocket designed to take measurements and perform scientific experiments during its sub-orbital flight. The rockets are often used to launch instruments from 50 to 150 km (30 to 90 mi) above the surface of the Earth, the altitude generally between weather balloons and satellites; the maximum altitude for balloons is about 40 km (25 mi), and the minimum for satellites is approximately 120 km (75 mi).
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