Skip to Content

What Are the Planets?

What Are the Planets?

If you’ve ever wondered what the planets look like, you’re not alone. There are many different theories about the nature of the planets and how they were formed. For starters, the planet Mercury is the closest to the Sun, while Uranus is the seventh planet from the sun. And if you’re wondering about Pluto, it’s true that he’s a dwarf planet. However, Pluto’s size and orbit are quite different from the other planets, so there’s really no reason to worry.

Mercury is the closest planet to the Sun

The MESSENGER spacecraft confirmed that water ice is present on Mercury’s north pole in 2012. Since the icy surface is shielded from the sun’s rays, researchers think that ice may have been carried to Mercury by asteroids. In fact, one theory claims that Mercury is actually creating its own ice, about 10% of the planet’s total mass. But a future study will confirm whether the ice on Mercury is really there or just a result of the MESSENGER mission.

The nearest planet to the Sun is Mercury. At a distance of 58 million kilometers, Mercury travels around the Sun in about 88 Earth days. Mercury has little to no atmosphere and is visible by the naked eye just before and after sunset. The planet is composed of hydrogen, helium, oxygen, sodium, magnesium, and calcium. Mercury has no moons. However, it is the most extreme planet in our solar system.

The thin atmosphere on Mercury does not protect it from extraterrestrial impacts, leaving the surface littered with craters. The thin atmosphere of Mercury does not protect the surface from extraterrestrial impacts, and its atomic makeup is similar to that of Earth’s Moon. In addition, Mercury is terrestrial, with a solid surface consisting of silicate rocks and metals, including iron. However, the planet does not have moons because it is so close to the Sun that the strong gravitational pull of the Sun would zap any moons from its orbit.

Since Mercury is so close to the sun, its surface temperature varies wildly. Mercury’s daytime temperature reaches 840 degrees Fahrenheit while its nighttime temperature drops to minus 275 degrees Celsius. This makes Mercury the planet with the largest temperature swing in our solar system. Aside from its extreme temperature swing, Mercury is also the hottest planet in our solar system. That’s pretty remarkable. If you’ve ever wondered about Mercury, be sure to check out its closeness!

Uranus is the seventh planet from the sun

The atmosphere of Uranus is composed of three layers. The uppermost layer, known as the troposphere, is approximately 300 km thick and is composed mostly of water. The middle layer, known as the thermosphere, is about 4,000 km thick and lacks a mesosphere. Despite its extreme temperature differences, Uranus’s atmosphere is remarkably stable. Scientists believe the ice mantle contains water, ammonia, and other volatiles.

Because Uranus has a large amount of fluid mass, it orbits the sun at an unusual angle. Its axis is nearly parallel to its orbital plane, which causes the planet’s poles to alternately point towards and away from the Sun as it travels through its orbit. It also has more than two dozen moons, and a system of narrow rings. This unique configuration could reveal more about the evolution of planets.

Scientists first discovered Uranus in 1781. Uranus is the seventh planet from the sun and the third largest gas giant in our solar system. The planet is very cold and windy, and is surrounded by thirteen faint rings and 27 small moons. Because of its slow orbit, it is hard to see, and many initially thought it was just a star. Because it is so far from the sun, Uranus is the only planet to approach the Earth within 2.7 billion km.

Its composition is made primarily of ice and rock, with only a small amount of helium. While its surface lacks a solid surface, its atmosphere consists mostly of hydrogen. The atmosphere is about 83% hydrogen. The planet’s high latitude makes it more likely to experience extreme day/night weather variations. Additionally, the Sun will be directly over Uranus’ equator in 2007, making day/night weather conditions more obvious.

Venus is the sixth largest planet

The sixth largest planet in the solar system, Venus is 95% the size of Earth and is the hottest. Its atmosphere is thick, sulfuric acid-filled, and traps heat causing the runaway greenhouse effect that we are experiencing on Earth today. Because of its extremely hot surface, Venus is often referred to as Earth’s “evil twin” and lacks a life-sustaining environment. However, the hotter Venus is than Earth, radar images have revealed that it is indeed a planet with volcanic activity. The intense atmosphere of Venus results in an extreme greenhouse effect, and scientists believe that some of these volcanoes are still active.

In the past, Venus may have had large amounts of water, but that water boiled away from the planet due to the planet’s high temperatures. The same thing may have happened on Earth, except that Venus spins in the opposite direction. As a result, most of Venus’ surface is flat, with gentle rolling plains and few mountains. It is possible to see volcanoes on Venus, including the Sif Mons.

In addition to being the sixth largest planet in the Solar System, Venus is the only terrestrial planet without a moon. Earth and Mercury are its closest neighbors. Venus is nearly always visible with the naked eye, which made it an easy target for ancient people to identify. The bright and hazy surface of Venus has caused many people to mistake the planet for a UFO. Its atmosphere contains high concentrations of sulfuric acid and is dense enough to move fine-grained materials.

Mercury is the eighth largest planet in our solar system. Its surface area is 9/10 of Earth’s surface. It is a close companion of Earth, and appears to float back and forth between the morning and evening sky. Mercury is a rare opportunity to observe the planet and astronomers. It is best seen in early evening and pre-dawn, when it is at its greatest eastern elongation.

Pluto is a dwarf planet

In the solar system, there are eight main planets, but there is one other object in the outer solar system that is not considered a planet. That object is Pluto. Pluto was originally a ninth planet, but was reclassified as a dwarf planet in 2006. Its size is only slightly bigger than the planets, making it a dwarf planet. It shares its orbit with other bodies in the Kuiper belt, but it has not yet cleared its neighborhood in billions of years.

The reclassification of Pluto to a dwarf planet among the eight planets came about because it is surrounded by a region called the Kuiper Belt that is full of thousands of tiny icy bodies. The other planets in our solar system are mostly empty, but they have moons, asteroids, wandering KBOs, centaurs, and asteroids. The astronomers didn’t want to eliminate Pluto and revert to the tradition they had followed for 80 years. Hence, they created a new category for Pluto: a dwarf planet.

The International Astronomical Union (IAU) recently issued a resolution that formally recognizes the eight planets in the solar system. In 2006, the IAU also recognized the existence of a new class of objects, known as dwarf planets. This new group of objects includes Pluto and Eris. Eris, formerly known as 2003 UB313, was named after the Greek god of discord, Eris.

As a dwarf planet among the eight planets, Pluto is extremely complex. Scientists once considered it the ninth planet of the solar system, but this reclassification came about after the discovery of the Kuiper Belt. Pluto is a small, complex world approximately 1,400 miles wide, or about half the width of the United States. The surface temperature of Pluto is -375 degrees Fahrenheit. Observations of its surface show that Pluto’s surface is becoming redder with time due to seasonal changes.

Phobos and Deimos have irregular shapes

The two moons of Mars, Phobos and Deimos, have an oddly shaped orbit that has puzzled scientists for years. Their irregular shapes, small diameters, and unusually close orbits have led them to be considered asteroids. Yet they are more likely to have formed from a collision with Mars. New simulations suggest that the two moons may have been born out of a billion-year-old collision, sending as many as 100 small moons into orbit around the Red Planet.

The irregular shapes of Phobos and Deimos have sparked speculation about their origin. For years, scientists thought the moons might have been captured asteroids by Mars. But now two independent studies have answered the question: Phobos was formed by a giant collision, while Deimos was created by an impact between Mars and an asteroid. In this study, scientists found that Phobos formed a giant collision with Deimos and reacted to the impact by changing their surface properties.

The moons of Mars are small and elongated. Phobos’s Stickney crater spans six miles across the surface. It was detected by NASA’s Mars Global Surveyor. Other craters on the surface of Phobos are streak-like. Deimos also has two named craters: Voltaire and Swift. These craters are named after famous writers Voltaire and Jonathan Swift, respectively.

Both Deimos and Phobos have irregular shapes. The surface of Deimos is more irregular than that of Phobos, but they are still considered to be moons of the planet. Both moons have irregular shapes, and they’re both made of material similar to asteroids. And because they’re so close to Mars, they have a similar density of craters as the uplands of the Moon. The moons have a large amount of craters, which suggests that they were formed over a billion years ago.