When did Uranus get hit?

The seventh planet from the Sun, Uranus has the third-largest planetary radius, and scientists believe that around four billion years ago it was hit by a huge object, likely made of rock and ice.
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When did Uranus get hit by an asteroid?

A "cataclysmic" collision some 4 billion years ago between Uranus and another massive object forever changed the evolution of the giant planet, a new study suggests.
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When was Uranus knocked on its side?

Something Twice the Size of Earth Slammed into Uranus and Knocked it Over on its Side. Astronomers think they know how Uranus got flipped onto its side. According to detailed computer simulations, a body about twice the size of Earth slammed into Uranus between 3 to 4 billion years ago.
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What planet did Uranus collide with?

According to the new study, objects with about 1 to 3 Earth masses collided with both Uranus and Neptune after they formed. Uranus was just grazed, while Neptune suffered a head-on impact. Image via NASA/ Sky & Telescope.
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Will Uranus ever explode?

Since Uranus contains effectively zero free oxygen, the hydrogen and methane in the atmosphere does not burn or explode.
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What Knocked Over Uranus? And Two Other Mysteries



How did Uranus get hit?

The seventh planet from the Sun, Uranus has the third-largest planetary radius, and scientists believe that around four billion years ago it was hit by a huge object, likely made of rock and ice.
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What is the name of the planet that hit Earth?

Theia is a hypothesized ancient planet in the early Solar System that, according to the giant-impact hypothesis, collided with the early Earth around 4.5 billion years ago, with some of the resulting ejected debris gathering to form the Moon.
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Is Neptune upside down?

Neptune is upside down for an aesthetic reason, to make it so all the worlds are being illuminated by light from the same direction -- it unifies the piece. You'll find a lot of other rotated worlds if you look closely (I think Venus is upside down too, and Io IIRC).
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Will Earth 2020 collide with Uranus?

By their calculations, it would take Uranus 13 years to reach the collision point. We'd be short on time, but at least we'd have a slight chance to evacuate the Earth. But the cold blue giant had other plans in mind. This would be no standard planetary drill.
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What planet crashed into Jupiter?

Due to its humongous size and its orbit puts it close to the asteroid belt, Jupiter often gets smacked by these objects. The most famous incident took place in 1994 when fragments of the Shoemaker-Levy 9 comet collided with Jupiter.
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What if Saturn crashed into Earth?

However, if Saturn were to come closer to Earth (after chucking the Moon out of orbit), imagine the scale of ocean tides then. There would be huge… no, apocalyptic tidal waves that would rage all over the planet and destroy everything in their path.
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How did Uranus get knocked on its side?

Something icy and as massive as Earth, scientists say. Uranus likely got whacked by a body one to three times as massive as the modern Earth.
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What would happen if Pluto hit Earth?

A collision would be quite spectacular to watch (just think back to the comet crash on Jupiter, that made some quite sizable explosions - Pluto is much bigger than a comet), although the system is so far away it will have no effect on the earth.
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What if Jupiter crashed into the Sun?

If Jupiter were mixed throughout the sun, the temperature of the sun would decrease slightly, and perhaps it would take a few hundred years for the sun's temperature to return to its previous level, and maybe we would get a few basis points less solar radiation, but it wouldn't go out. Highly active question.
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What is Earth's twin?

Venus, once billed as Earth's twin, is a hothouse (and a tantalizing target in the search for life) Our view of Venus has evolved from a dinosaur-rich swamp world to a planet where life may hide in the clouds. As Earth's sister planet, Venus has endured a love-hate relationship when it comes to exploration.
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What if moon hit Earth?

“So if the Moon got really close to the Earth, you'd have massive tides to contend with. There would be a lot of coastal flooding. There would be a lot more gravitational influence on the interior of the Earth, so you might also churn up and heat some mantle, leading to a lot more volcanism and earthquakes.”
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Is Earth going to crash into another planet?

In the 20 September issue of The Astrophysical Journal, Zeebe states that our planet's orbit is highly stable for at least the next 5 billion years and that the odds of another world smashing into us are extremely slim. But Jacques Laskar, an astronomer at the Paris Observatory, blasts the new work.
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Does Uranus rain diamonds?

Deep within Neptune and Uranus, it rains diamonds—or so astronomers and physicists have suspected for nearly 40 years. The outer planets of our Solar System are hard to study, however. Only a single space mission, Voyager 2, has flown by to reveal some of their secrets, so diamond rain has remained only a hypothesis.
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Can humans live on Titan?

Robert Zubrin has pointed out that Titan possesses an abundance of all the elements necessary to support life, saying "In certain ways, Titan is the most hospitable extraterrestrial world within our solar system for human colonization." The atmosphere contains plentiful nitrogen and methane.
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When the Sun explodes will it destroy Mars?

The Sun is predicted to expand so much it would engulf Mars and Earth as if puffs up into a red giant. It's thought humans would have died out way before then unless we can find away to leave planet Earth and exist somewhere else. The 2018 study suggests, at this rate, humans only have around one billion years left.
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Why is Pluto no longer a planet?

The International Astronomical Union (IAU) downgraded the status of Pluto to that of a dwarf planet because it did not meet the three criteria the IAU uses to define a full-sized planet. Essentially Pluto meets all the criteria except one—it “has not cleared its neighboring region of other objects.”
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