Difference between revisions 2290306 and 2290308 on enwikiversity

[[Image:Skylab-73-HC-440HR.jpg|thumb|right|250px|The Saturn V SA-513 lifts off to boost the Skylab Orbital Workshop into Earth orbit on March 14, 1973. Credit: NASA.]]
Astronomy is performed by location and is subject to local conditions. The shapes and sizes of observatories have changed over time, as have their altitude. The motivations for putting an observatory manned or unmanned at different altitudes has led to a great variety in '''lofting technology'''.
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|date= }}</ref> slightly inside the orbit of [[Mercury]]. Helios 2 was sent into orbit 13 months after the launch of Helios 1. The probes are no longer functional but still remain in their elliptical orbit around the Sun." On board, each probe carried an instrument for cosmic radiation investigation (the CRI) for measuring protons, electrons, and X-rays "to determine the distribution of cosmic rays.
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==Exploratory rocketry==

{{main|Rocketry/Exploratory|Exploratory rocketry}}⏎
[[Image:72410main ACD97-0036-2.jpg|thumb|right|250px|This diagram shows each of Pioneer 10's systems. Credit: NASA.]]
[[Image:Launch of Pioneer 10-2.jpg|thumb|left|250px|The launch of Pioneer 10 aboard an [[w:Atlas-Centaur|Atlas/Centaur]] vehicle. Credit: NASA Ames Resarch Center (NASA-ARC).]]
[[Image:Pioneer 10 mission jupiter.png|thumb|right|250px|This diagram shows the interplanetary trajectory for Pioneer 10. Credit: NASA.]]
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