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  • hello and welcome to space and this month were taking you out to the

  • farthest reaches of our solar system to this place the dwarf planet Pluto it

  • turns out to be far more weird than anyone ever expected with all kinds of

  • unexplained phenomena on the surface we sought out some of Europe's finest ice

  • planet experts to find out more Pluto has been a mystery since it was

  • discovered in 1930 first called a planet then reclassified as a dwarf planet in

  • 2006 the more we learn the more it captures the imagination of scientists

  • like esa's Elliot slept and gnash one of the important things you should

  • understand about Pluto is the real scale of it compared to the rest of the solar

  • system so you come to the beach to really convey that step

  • scale and distance so if I draw the Sun as a 30 centimeter circle then we have

  • to walk about 35 steps this way in order to draw the earth in the same type of

  • scale

  • so the Sun is over there 30 centimeters which means that the earth should be

  • about here about 3mm use something like this if we were to draw Pluto in the

  • same scale it should be zero point three millimeters and it should be one

  • kilometer down the beach

  • now obviously I can't draw something that's point three millimeters so I have

  • to draw Bluto a bit bigger if this is Pluto then its largest moon is Sharon

  • which is about half its size the Pluto has four other moons Styx Nix Kerberos

  • and Hydra so there's a lot going on around the Pluto system it's not just a

  • cold dead icy Rock humanity had its first close-up view of Pluto in 2015

  • when NASA's new Horizons probe flew past the dwarf planet and it smooth as it

  • witnessed was unlike anything we'd ever seen before

  • scientists working on new horizons like Bernau Schmitz and Tanguy Bertram were

  • spellbound they were seeing a distant world that didn't resemble the rocky

  • planets earth or Mars nor the gas giants Jupiter and Saturn Pluto is different

  • on you I when New Horizons arrived at Pluto we were struck by the topography

  • why because you've mountains that reach up to four kilometers high and you have

  • the huge basin which is three kilometers below the average surface height those

  • are enormous topographical differences for a small body like Pluto instability

  • in on earth one go to the key consider the six gigabytes of images and

  • scientific measurement slowly sent back by New Horizons are now filling in the

  • gaps in our knowledge of Pluto what the team is finding as they dig into that

  • data is the world dominated by ice then our and Tonchi took us to a frozen lake

  • near Grenoble and cleared the snow to allow us to compare what we see here on

  • earth with what has been discovered on Pluto

  • like Leslie eating less water right here is close to zero degrees it's like in

  • all the glasses here in the outdoor Kelly although it's relatively soft it

  • flows and forms glass peers who are pre-dawn it's on Pluto this water is at

  • minus 230 degrees Celsius and it's as hard as rock

  • sure so on Pluto its water that forms the mountain ranges in more than yet so

  • the mountains on Pluto a water right occasionally dappled with patches of

  • methane frost while the huge heart-shaped glacier on its surface is

  • made from nitrogen scientists think Pluto has strong seasonal cycles too

  • which could explain some of the unusual features on its surface adequate that

  • the Equator is an enigma there are no volatile ices it's just the base of

  • water ice covered in a kind of soot this black material that's produced by the

  • photolysis of the ice by UV rays so there's a huge contrast between the dark

  • zones of the Equator and the bright areas in the north and this gigantic

  • glacier of nitrogen ice dust besides France

  • that Glacia known as Sputnik planet is thought to be under a million years old

  • a remarkably young age by planetary standards

  • nobody has agreed on an explanation for how it was formed and how its renewed

  • understanding Pluto can really help us understand the solar system as a whole

  • so scientists think there's a strong case to go there again

  • I think it would be fantastic to send a lambda to really understand first of all

  • the structures and the mineralogy up close but also to observe it over a

  • longer time period because we've only seen Pluto and very you know an instant

  • of its orbit and so there might the seasonal changes might be very dynamic

  • if we could watch it for a whole year

  • okay when you're a strange place and so you really want to stimulate this world

  • do experiments try to understand how it works because there's a kind of climate

  • there's an atmosphere on Pluto there are Isis but it's not at all like Earth

  • paneer and planet was nobody imagined we'd find such a dynamic planet so far

  • from the Sun and were left with a lot more questions but a space mission that

  • poses more questions than it answers Quran is a successful miss lacy just a

  • few years ago Pluto and its moons were nothing but a few pixels in our

  • telescopes mysterious docks in the asteroid belt beyond Neptune now we know

  • it better and were curious to know more

  • away from Pluto now and to our new miniseries legends of space throughout

  • 2017 were celebrating 60 years since Sputnik by looking at some of the

  • greatest moments in space exploration and this month we looked at April 1961

  • when Yuri Gagarin became the first man in space

  • which last time when I just got you got you

  • Rodolphe cap I'm always impressed when I look at the

  • latter giggling how harder laughs you had a head and it came from a very

  • modest family the young man he was 27 years of age when he did to his flight

  • on the 12th of April 1961 it is they not know possession disease quítate it was

  • an extremely risky operation and that's what we loved about his background

  • opinion I was young just 24 and it seemed extraordinary the and it was

  • Jagga he stands very high in the mind of astronauts and cosmonauts and in the

  • International Space Station you have a portrait of Gagarin who is there and

  • looking at all of the occupants of Isis

  • Dulli the realty the success and then Gagarin's charisma he was likable he was

  • young he was the son of a potato farmer so he wasn't perfect for Khrushchev it

  • was a real demonstration of what a Soviet astronauts can be because with it

  • and that's what also muted

  • that's all for now you can watch other episodes of legends of space and keep up

  • to date with other news from the universe on our website on euronews calm

hello and welcome to space and this month were taking you out to the

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THE ICY MYSTERIES OF PLUTO - SPACE DOCUMENTARY (EURONEWS)

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    Keto648 posted on 2017/12/24
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