The 1976 Viking missions tested for them using mass spectrometry.
The two-man orbital Gemini missions tested the systems for the 473,000-mile round trip.
This paper reports on the study of the Fundamental Physics Explorer (FPE), a re-usable platform targeted to small missions testing fundamental laws of physics in space.
There are very few more satisfying strategy games than Frozen Synapse Prime on Android: set in the future, it's a deep, rich turn-based game that gets you shooting and creeping your way through 40 missions, testing out different modes along the way.
Such missions test the ability of the source to survive the vibrations and shocks of launch and investigate how it performs and ages with the ionising radiation, vacuum and thermally demanding conditions of low Earth orbit.
The VR Disc features 300 VR training missions testing the player's sneaking and fighting skills, as well as less conventional tests, such as murder mysteries, battling giant genome soldiers, and three missions where the player controls the Cyborg Ninja.
Our research reveals that many earned-income ventures fail the mission test as well as the financial test.
During the course of this mission, testing will be one of your strongest allies.
Overall, the crew successfully completed all fifty-four of the planned mission test objectives.
