As Pluto and its moons waltz; weird images from the world of space

Pluto, hubble space telescope, Charon, space, NASA, Solar system, SETI institute of california, India,

There was a dance of a different kind that emerged in the faraway skies of the space!

Hubble Space Telescope captured images of Pluto, its largest moon Charon and tinier moons like Styx, Nix, Hydra and Kerberos in a dance like positioning. It reflected odd rhythmic gyrations of the six distant objects in a dance unlike anything in the system.

The study defines the activity quite interestingly, ‘There’s a chaotic dance going on at the far end of the solar system, involving Pluto and five of its closest friends.’

What makes it so odd is that there’s a double set of dances going on. First, Pluto and Charon are locked together in their own waltz “as if they are a dumbbell” with a rod connecting them, said study author Mark Showalter of the SETI Institute in California. It’s the solar system’s only binary planet system, even though Charon isn’t technically a planet, he said. Pluto, too, is no longer considered a full planet.

“It’s pretty darn weird,” Showalter said.

But Pluto and Charon aren’t alone, and that’s where it gets more complicated.

The four little moons circle the Pluto-Charon combo, wobbling a bit when they go closer to either Pluto or Charon, being pushed and pulled by the two bigger objects.

Those four moons orbit Pluto-Charon in a precise rhythmic way, but with a twist: They also interact when they near each other. So it seems like they all dance to one overarching beat but not quite in the same way, just doing their own thing, said planetary scientist Heidi Hammel of the Association of Universities for Research in Astronomy.

“It’s kind of like you’d see at a Grateful Dead concert,” Hammel said. She wasn’t part of the study, but praised it as giving a glimpse of what might be happening in other distant star systems where there are two stars and planets that revolve around them, like the mythical Star Wars world of Tatooine.

pic courtesy: NASA

With the tiny moons wobbling and flipping over in an unpredictable and chaotic way, if you lived on Nix or Hydra, the sun would come up in different parts of the sky, if at all on some days, Showalter said.

“It’s a very strange world,” he said. “You would literally not know if the sun is coming up tomorrow.”

NASA’s $700 million New Horizons spacecraft will arrive in the Pluto system in mid-July after a nine-year 3 billion mile (5 billion kilometer)flight that started before Pluto was demoted to a dwarf-planet status.


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