Research NASA will purposefully crash-Juno to protect alien life - Physics-Astronomy.org

Research NASA will purposefully crash-Juno to protect alien life

The US$1.1 billion Juno mission hit a top milestone Monday night when it successfully enter Jupiter's orbit. But what will take place to it in February 2018 when its job is done?
Spacecraft don't truly get happy retirements. Sure, there are a few space shuttles latent on their laurels in museums, but that's since they brought people home.Some unmanned probes do create it back to Earth if part of their work is to bring back a example, like Hayabusa, a Japanese spacecraft that visit an asteroid.
Juno won't get that kind of action. In fact, its fate is much grimmer. After its last trip around Jupiter, it will go into what NASA euphemistically calls its "deorbit phase".
That's a diplomatic way of saying Juno will spend the previous five and a half days of its survival hurling itself into Jupiter. The planet's atmosphere is so cruel the spacecraft will burn up.
NASA being NASA, they've already shaped an animation of what Juno's fiery death will look like:It's the same fate that met Juno's precursor on the trip to Jupiter, Galileo, in 2003.
But why fling a $1.1 billion satellite into an extremely big ball of burning gas? For the (potential) aliens, that's why!
Scientists at present think one of our best shots at verdict living organisms beyond Earth is on Europa, one of Jupiter's moons that power have an ocean beating underneath its frozen surface.
NASA is at present working on figuring out how to send a lander to Europa to get a improved handle on whether there's any life to be seen there. 2 other Jovian moons, Ganymede and Callisto, are also on the record of contenders.
NASA and its Office of Planetary Protection have extremely strict rules about contaminate space, particularly when it come to places we think we want to look for life. Logically sufficient, it doesn't want to spend a billion dollars on the after that spacecraft just to discover some organism it turns out we put there. (Oops.)
Throwing Juno into Jupiter protect Jupiter's moons from contamination since the trip through Jupiter's atmosphere and radiation will destroy any bacteria that may have snuck onto Juno before it launch.
The planetary defense protocols are also why spacecraft are assembled in clean rooms by citizens wearing defensive gear. And as we learn more about the worlds around us, those rules alter.
Research NASA will purposefully crash-Juno to protect alien life
Galileo's death plunge was in fact a change of plan, prompted when NASA got the first hints that Jupiter's moons could in fact be hospitable to life.
The dramatic death also keeps Juno from adding to our top space junk problem.

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