"And at 12:06pm (AEST) on Tuesday, NASA's Juno spacecraft will hurtle right over the top of it.
The gargantuan hurricane has been raging for 200 years or more — and we've never been this close to it.
Travelling at about 50 kilometres per second, Juno will flit within 9,000km of the billowing brick-red cloud tops."
"There's high risk in every flyby.
We're going through the gates of hell, every time," Dr Bolton said.
"There are some scientists who believe that in order for a storm to have lasted that long, it must have very deep roots."
Sounds a lot like planet Earth to me;-)
""Juno's visit comes at an opportune time.
After all those centuries, the Great Red Spot appears to be vanishing before our eyes and telescopes.
"It's been observed for hundreds of years, but now in the last couple of decades, we've noticed that it seems to be getting smaller and changing in shape," Dr Bolton said.
"So, we may be catching it at the right time.
"It's been observed for hundreds of years, but now in the last couple of decades, we've noticed that it seems to be getting smaller and changing in shape," Dr Bolton said.
"So, we may be catching it at the right time.
It's always exciting when you can watch something in transition — you can learn a lot more.""
UPDATE: July, 13th, 2017
Juno and the Great Red Spot: First NASA images from fly-by of solar system's biggest storm
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