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NASA's InSight mission to Mars explained (CNET News)

2018-05-02
the inside mission and there's a lander and it's launching to Mars on the 5th of May takes six months to get to Mars and once we land on Mars we're actually going to listen for the vital signs of Mars what the goal of this is is to really understand how rocky planets are formed and how they differ from each other and why so it has a seismometer it's going to listen for mouse quakes and that gives us an idea of what the interior of Mars looks like because from the seismic waves we can understand what the different you know whether it has a mantle or a core or multiple cores and how it differs from earth it also has a heat flow and physical properties probe which is a self hammering nail and it's going to go down the surface of Mars by five meters of 15 feet so that's pretty far down that's the furthest we've ever gone under the surface of any other planet and the probe once it's down it's going to try to understand how the interior of Mars is cooling so it can measure the heat along the tether that it drags down with it and that gives us an idea of the heat differential under the surface and then we have rise which is a gravity science experiment that uses the radio signals that we already have and that will learn how the how the planet is flexing or wobbling so it has solar arrays similar to what you might have on the roof of your house about the same quality in fact but that gives us power at mouth so we don't need any we don't need any plutonium or anything like that like other missions do we solely rely on our solar arrays we also have two color cameras there over here on the arm that you see so the cameras both give us context imaging of what's going on around laws and it also helps us with the deployment of the instruments so one of the most complex things that we're doing with insight that we've never done in terms of technology we've never done on any other mission before is that when we land our key instruments are on the deck of of the lander we need them to be on the surface so they can listen to Mars so we have to take that robotic arm pick up the instruments from the deck and put them on the surface so that last meter or so that we have to go from the deck to the surface for me is actually the scariest thing let alone launching or landing on Mars going that last meter and deploying those super sensitive instruments that is something we've been practicing for we're ready for it but I'm both excited and nervous about doing that so together the three instruments should help us discover what the inside of moss looks like and how it differs from Earth and that might give us a better idea of how planets form not only planets in our solar system but also exoplanets
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