What planets have we not explored?

Out of the five planets known since ancient times as the 'wandering stars', Mercury is the one least explored. Unlike Venus, Mars, Jupiter and Saturn, Mercury is notoriously difficult to observe from Earth.
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What planets have not been visited?

When I was growing up, there were nine planets in the solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto. By 1989, all of those planets had been explored … except Pluto.
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What planet is undiscovered?

Planet Nine is a theoretical, undiscovered giant planet in the mysterious far reaches of our solar system. The presence of Planet Nine has been hypothesized to explain everything from the tilt of the sun's spin axis to the apparent clustering in the orbits of small, icy asteroids beyond Neptune.
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What planets have humans visited?

There have been journeys to the inner planets: the Messenger, Magellan and Mariner spacecraft to Mercury and Venus. There have, too, been expeditions to Jupiter and Saturn and their colorful flocks of moons. Asteroids and comets and the sun itself have also been studied up close. Many of the missions are ongoing.
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What planet does not exist anymore?

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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24 Planets Even Better for Life Than Earth



How did Pluto disappeared?

In 2006 the International Astronomical Union (IAU) demoted the much-loved Pluto from its position as the ninth planet from the Sun to one of five “dwarf planets.” The IAU had likely not anticipated the widespread outrage that followed the change in the solar system's lineup.
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Did the Pluto explode?

What happened to Pluto? Did it blow up, or go hurtling out of its orbit? Pluto is still very much a part of our Solar System, it's just no longer considered a planet. In 2006, the International Astronomical Union created a new category for classifying bodies in space: the dwarf planet.
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Can we land on Venus?

The mission wouldn't put humans on the surface of Venus—that would be impossible to do without killing them. Instead, the humans would fly by the planet to get a closer look at the planet from above and operate a team of drones that would descend deep into the torrid atmosphere of the planet and down to the surface.
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Can we land on Pluto?

To travel the billions of miles between Earth and Pluto, the amount of fuel you would have to bring with you isn't a major problem for New Horizons, but for a manned mission, it would be prohibitive. Chemical fuels are heavy and you eventually hit a limit on how much mass a rocket can lift off the planet.
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What happens if you commit a crime in space?

State Party to the Treaty on whose registry an object launched into outerspace is carried shall retain jurisdiction and control over such object, and over any personnel thereof, while in outer space or on a celestial body.
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Has Planet 9 Been Found?

Scientists hunted for 6 years and found nothing significant. Astronomers searching for our solar system's elusive Planet Nine — a theoretical world that may lurk deep in a cloud of icy rocks far beyond the orbit of Neptune — have come up short once again.
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Why has Planet 9 not been found?

Had it not been flung into the Solar System's farthest reaches, Planet Nine could have accreted more mass from the proto-planetary disk and developed into the core of a gas giant. Instead, its growth was halted early, leaving it with a lower mass than Uranus or Neptune.
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What would Planet 9 be called?

The alleged "Planet Nine," also called "Planet X," is believed to be about 10 times the mass of Earth and 5,000 times the mass of Pluto.
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Can you own a planet?

No, people cannot legally buy planets, at least for now. There isn't any way to legally enforce a claim to a planet, and courts have rejected similar claims in the past. International law forbids countries from claiming any celestial body, meaning a nation cannot grant space real estate to its citizens.
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Has a human been to Venus?

No spacecraft have landed on the surface of Venus since 1985. A few orbiters have visited Earth's neighbor in the past decade. The European Space Agency's Venus Express was one. It visited Venus from 2006 to 2014.
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Can we land on Mercury?

First, getting there: "You essentially need three rockets to get to Mercury," Hauck said: one to get off Earth, one to get from Earth to Mercury and one to carefully land on the planet (because it lacks an atmosphere that can slow down a spacecraft).
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Can we land on Uranus?

Surface. As an ice giant, Uranus doesn't have a true surface. The planet is mostly swirling fluids. While a spacecraft would have nowhere to land on Uranus, it wouldn't be able to fly through its atmosphere unscathed either.
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Can you walk on Uranus?

The Surface Of Uranus Isn't Solid

The primary reason that humans cannot walk or stand on the surface of Uranus is that the surface isn't solid. Most of Uranus underneath its gaseous atmosphere appears to be composed of a slushy mixture of water, methane, and ammonia.
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Can we ever live on Venus?

Most astronomers feel that it would be impossible for life to exist on Venus. Today, Venus is a very hostile place. It is a very dry planet with no evidence of water, its surface temperature is hot enough to melt lead, and its atmosphere is so thick that the air pressure on its surface is over 90 times that on Earth.
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Can you stand on Saturn?

The density and temperature changes the deeper into the planet you go, but Saturn can't be said to have a solid surface. If you tried to walk on the surface of Saturn, you would fall into the planet, suffering higher temperatures and pressures until you were crushed inside the planet.
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Can humans land Saturn?

The planet is mostly swirling gases and liquids deeper down. While a spacecraft would have nowhere to land on Saturn, it wouldn't be able to fly through unscathed either. The extreme pressures and temperatures deep inside the planet would crush, melt, and vaporize any spacecraft trying to fly into the planet.
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Can you stand on Neptune?

If a person were to attempt to stand on Neptune, they would sink through the gaseous layers. As they descended, they would experience increased temperatures and pressures until they finally touched down on the solid core itself.
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Is Pluto gone in black hole?

Explanation: Researchers from Harvard University have published a paper that explores the possibility that our solar system is home to a tiny, ancient black hole. For decades, the solar system had nine official planets, but Pluto was kicked out of the planet club and demoted to dwarf planet status.
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What planet blew up?

An asteroid or icy object collided with the gas giant Jupiter on Sept. 13, where it eventually blew up in the planet's thick clouds.
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Is Pluto destroyed 2021?

FYI: Pluto is not destroyed, it is no longer considered a planet as per the definitions of astronomy, and now it comes under the category of "Dwarf Planet". Actually, the farthest planet of the solar system Pluto has neither died nor has been destroyed.
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