Answer:
Because of atmospheric absorption, X-ray telescopes must be carried to high altitudes by rockets or balloons or placed in orbit outside the atmosphere. Balloon-borne telescopes can detect the more penetrating (harder) X-rays, whereas those carried aloft by rockets or in satellites are used to detect softer radiation.
Explanation:
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V-2 rocket The
missile, powered by a liquid-propellant rocket
engine, was developed during the Second World War in Germany as a "vengeance
weapon" and assigned to attack Allied cities as retaliation for the Allied bombings against German cities.
