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Four Breathtaking Solar Eclipses You Can See From Other Planets. On August 2. 1st, millions of Earthlings will gather to watch as a total solar eclipse sweeps across the centerline of the United States over the course of 9. For many, it’ll be once- in- a- life- time spectacle. But if you had a spacecraft on hand, you wouldn’t need to wait decades for the next total solar eclipse to arrive at a town near you—you could simply jet off to Mars, Jupiter, Saturn, or even Pluto.

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That’s because there’s a veritable zoo of solar eclipses occurring all across our solar system, all the time. To be fair, none of these extraterrestrial eclipses is quite like the total solar eclipse here on Earth, where a quirk of celestial geometry causes the Moon to stack perfectly over the Sun, leaving a fiery ring of coronal jets to illuminate the sky. Some satellites, like Mars’ moon Phobos, are too small to engulf the Sun from the perspective of an observer on the planet, resulting in what astronomers call a transit. In other cases, like that of Saturn’s moon Titan, the angular size of the satellite in the sky is far greater than that of the Sun, resulting in a solar occultation. But that’s just the basics—eclipses, it turns out, come in all shapes and sizes, and studying them can tell us a lot about our cosmic neighborhood. Tiny transits at Mars. For most other planets, we have to imagine what a solar eclipse would look like from the surface (or, in the case of a gas giant, the cloud- tops). Install Dos From Windows 98.

But when it comes to Mars, we’ve actually seen quite a few. In 2. 00. 4, NASA’s Spirit and Opportunity rovers captured six solar transits events from the surface of Mars—four involving the potato- shaped moon Phobos, another two starring the even runtier satellite Deimos. They were, according to a paper published in Nature the following year, the first direct images of satellites transiting the Sun from the surface of another planet. Before NASA’s rovers landed, “the uncertainty about where Phobos would be at any given time was about as big as Phobos.” Once eclipse observations had improved the orbits of the two moons, the European Space Agency’s Mars Express Orbiter was able to point its camera accurately enough to capture high- res images of both, Lemmon said.

1. On August 21st, millions of Earthlings will gather to watch as a total solar eclipse sweeps across the centerline of the United States over the course of 90 minutes.
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Eclipse- watching on Mars has only gotten better, especially since NASA’s Curiosity rover landed in Gale Crater in August 2. Just look at this footage Curiosity captured in 2.

Phobos racing across the Sun, transforming our beloved star into an eerie cyclops monster over the course of 3. I think that’s the best shot of an eclipse . Even though Spirit and Opportunity refined the positions of Mars’ moons more than a decade ago, there’s still plenty we can learn by watching their transits.“Even now, while there’s no missing where Phobos and Deimos are, their orbits are changing all the time due to the push and pull of gravity,” from Mars, Lemmon explained.

That is why Phobos is spiraling in toward Mars and will eventually be destroyed.”Indeed, eclipses may be critical to figuring out how soon Phobos faces annihilation—and when Deimos will be cast away into deep space. Hazy eclipses at Saturn. With. 62 confirmed moons, Saturn’s skies offer myriad eclipse- viewing opportunities, from tiny solar transits to massive occultations to moons stacked atop other moons. But of all the gas giant’s many satellites, few produce an eclipse as otherworldly as Titan, a massive methane cauldron that challenges our understanding of the kinds of places life might emerge. It was the Voyager 1 spacecraft that spotted the first solar occultation at Titan in 1.

The Astrophysical Journal. As Titan swept across the Sun, Voyager captured some of the light that filtered through its hazy atmosphere, which scientists used to confirm that the moon’s skies are composed mostly of nitrogen. Since NASA’s Cassini probe arrived in orbit around Saturn in 2. Titan eclipses, which we’ve used to probe the chemistry of the moon’s thick haze.

Some of what we’ve learned even has implications for understanding planets beyond our solar system. In 2. 01. 4, analyzing visible and infrared spectra collected by Cassini during solar occultations, researchers demonstrated that Titan absorbs, refracts, and scatters sunlight in ways that may obscure information about deeper parts of the atmosphere. This, the researchers wrote in a paper published in PNAS, could have ramifications for elucidating the atmospheres of exoplanets, particularly “super Earths.” “Haze has a dramatic effect on the transit spectra,” the researchers wrote, noting that it “substantially impacts the amount of information that can be gleaned.” This information could prove incredibly useful when the James Webb Space Telescope starts peering into the atmospheres of distant planets over the next few years. But as valuable at the science is, astronomers are mostly drawn to Saturnian eclipses because of their sheer beauty.“In most cases, we imaged eclipses because they are just wondrous events, at Saturn as they are on Earth,” Cassini imaging lead Carolyn Porco told Gizmodo. Because of Uranus’ funky tilt, its poles are alternately illuminated during its 8. Sun. The moons, which circle Uranus in the band of rings stretched across the planet’s equator, only align edge- on with the Sun ever 4.

Ice Giant. Rare, but not impossible to catch. In 2. 00. 6, just as Uranus was approaching its summer equinox, the Hubble Space Telescope caught a never- before- seen- glimpse of the moon Ariel traversing the face of the ice giant and casting a shadow, or umbra, on the planet’s blue- green cloud tops. From the “surface” of Uranus, it would have looked like a solar eclipse.“These observations were planned only to study the atmosphere of Uranus – the detection of Ariel and its shadow were purely serendipitous,” Heidi Hammel, Executive Vice President of AURA, who helped analyze the image while working at the Space Science Institute, told Gizmodo. This, he explained, is due to the fact that at Uranus, Ariel is roughly ten times bigger in the sky than the distant Sun.

As Uranus continued to approach the summer equinox, there were other eclipses of other large moons, including Umbriel, Titania, and Oberon. But Ariel’s eclipse was the money shot, and it’s likely to stay that way for a while—the next equinox at Uranus won’t be until 2. Maybe, if we’re lucky, the weird world will have had another visitor by then. Years of solar eclipse at Pluto. Pluto may seem like a cosmic castaway, taking 2. Sun. Thankfully, it’s got Charon, a moon approximately half its size with which it’s locked in an endless gravitational embrace.

And because Charon is so close—just 1. Vista Host Process Stopped Working there. Pluto—when eclipse season hits, eclipses happen a lot.“When Pluto’s in eclipse season, twice during its 2.

Pluto and Charon essentially orbit around each other every six days, you get an eclipse every six days,” Planetary Society astronomer Bruce Betts told Gizmodo. Before the New Horizons spacecraft zipped past Pluto in 2. Charon’s incessant photobombing.“The last eclipse season was not that long ago, and astronomers used the event—Charon in front of Pluto, Pluto in front of Charon—to resolve the two bodies,” Betts said. For comparison, this is what Pluto looks like today, two years after the New Horizons flyby.“The whole thing is pretty amazing,” Betts said, noting that the sunlight is so weak at Pluto astronomers had struggled to get any resolution at all on the icy world. Or Neptune’s mysterious moon Despina, which a citizen scientist discovered transiting the sun when he re- analyzed old data from the Voyager 2 flyby in 2. Then, there’s the eclipse here on Earth.

And it’s not only the size of our Moon, but the Moon at this point in time—in early lunar history, the Moon was too close.” So, as you’re making your travel plans to hit the centerline of the eclipse on August 2. But it’s also more than an Earthly phenomena. It’s a connection to a far grander celestial choreography that promises to dazzle observers for eons to come.