This will make the cloud even easier to see through backyard telescopes.
https://www.space.com/32411-jupiter-hit-by-comet-asteroid-video.html A planet of Jupiter's mass still seems to provide increased protection against asteroids, but the total effect on all orbital bodies within the Solar System is unclear.
"My attention was fixed on the Great Red Spot, which was setting beautifully over Jupiter's horizon," recalls Wesley. There are more small asteroids hurtling around us than large ones.Last October, astronomers detected an asteroid an estimated two to five meters across.
improve functionality and performance. Space Telescope Science Institute director Matt Mountain allocated emergency telescope time to a team of astronomers led by Heidi Hammel of the Space Science Institute in Boulder, Colorado.As usual, Hubble photos stole the show. It was quite unbelievable.
Calculations showed that its unusual fragmented form was due to a previous closer approach to Jupiter in July 1992. "The cloud is expanding and taking on some interesting shapes. The impact area covered 190 million square kilometers, similar in area to the planet's Little Red Spot and approximately the size of the Pacific Ocean. You can renew your subscription or
""We just don't know," says Yeomans. ""That's what I thought at first, but something about the dark mark puzzled me, it didn't look right, and I couldn't stop stealing glances at it. Otherwise, it's probably a rocky or metallic asteroid. By continuing to browse the site Just over 1,000 of the total have been deemed "potentially hazardous" – those that pass Earth at a distance of less than 4.7 million miles.And while the biggest ones have the potential to inflict the most damage, scientists are gaining a new appreciation of the punch even small ones can deliver.The good news: Calculations on Sandia's supercomputer, in 3-D, push that explosive yield down to between three and five megatons. Science Monitor has expired. At smaller sites, temperatures 10 K (18 °F) higher than the surroundings persisted for almost two weeks.SL9 is not unique in having orbited Jupiter for a time; five comets, (including There is very strong evidence that comets have previously been fragmented and collided with Jupiter and its satellites. The impactor is estimated to have been about 200 to 500 meters in diameter. The 2009 Jupiter impact event, occasionally referred to as the Wesley impact, was a July 2009 impact on Jupiter that caused a black spot in the planet's atmosphere. The object emerged from darkness, unknown and uncatalogued, and—wham!—before anyone could photograph the body intact, it had become a cloud of debris. (PhysOrg.com) -- Infrared images of the aftermath of an impact on Jupiter in 2009 have been combined with other observations to conclude that an asteroid, not a comet, slammed into the planet. Nobody saw the object it hit Jupiter. "If the spectra contain signs of water, that would suggest an icy comet. )The cloud's chemical composition holds clues to the nature of the impactor. If you have questions about your account, please However as it rotated further into view, and the conditions improved I suddenly realised that it wasn't just dark, it was The spot's prominence indicated that it was composed of high-altitude aerosols similar to those seen during the SL9 impact.The force of the explosion on Jupiter was thousands of times more powerful than the suspected comet or asteroid that The object that hit Jupiter was not identified before Wesley discovered the impact. Intense studies of the comet were undertaken, and as its orbit became more accurately established, the possibility of a collision became a certainty. The impact left a dark "scar" in Jupiter's atmosphere where the comet or asteroid had exploded. Your subscription to "Indeed, there was no warning.
My hands were shaking. This impact created a giant dark spot over 12,000 km (7,500 mi) across, and was estimated to have released an energy equivalent to 6,000,000 Observers hoped that the impacts would give them a first glimpse of Jupiter beneath the cloud tops, as lower material was exposed by the comet fragments punching through the upper atmosphere. "I had seen the scars caused by fragments of Comet Shoemaker-Levy 9 hitting Jupiter in 1994, so I knew what an impact looked like," he says. This generated a large amount of coverage in the popular media, and the comet was closely observed by astronomers worldwide. "On July 23rd, the Hubble Space Telescope took its first pictures of the blast site. "I almost didn't notice the dark blemish near Jupiter's south pole, and when I did, I put it out of my mind. "Meanwhile, it's a big dark mystery—the kind that Wesley can't take his eyes off of. The collision provided new information about Jupiter and highlighted its possible role in reducing space debris in the inner Solar System. When first seen close to the limb (and in poor conditions) it was only a vaguely dark spot, I [thought] likely to be just a normal dark polar storm.
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