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Therefore, Mercury is the hottest planet.

What is the fourth planet from the sun?

However, in the daytime Mercury can get as hot as degrees fahrenheit, which is degrees celsius. During night time the temperature can decrease to degrees fahrenheit, or degrees celsius. Mercury is the smallest planet. Mercury is the quickest planet to move around the sun.

Its speed is approximately , mph along its elliptical orbit Powerful Essays words 2. There have been many successful attempts to get a glimpse of the interesting planet, and scientists are still working on a better solution to get there.

Imagine Mars - Fourth Planet From The Sun Vol. 2

The first rover to explore Mars was "Mariner 4", which arrived on November 28, It was a spacecraft designated to orbit the planet of Mars, but not to land. It lasted for about 8 months, and was not able to survive much longer than that due to the conditions on and around Mars Powerful Essays words 7. Powerful Essays words 5. But, what is Mars really. Mars is the fourth planet from the Sun, orbiting ,, km away. What makes Mars look red. Powerful Essays words 1. Mars, the Fourth planet away from Sun, second smallest planet in solar system is known for its similarities to earth.

Among the reasons behind tide of immigration to Mars, environmental problems stand out. Just as Christian Parenti pointed out in his book Tropic of Chaos, the environmental problem, especially climate change is happening faster than we predicted The way we see these aspects are by spacecraft that were sent into space.

During that two week period, eruptions powerful enough to launch material hundreds of miles above the surface. There were also Cryovolcanoes on Enceladus that were documented by the Cassini spacecraft in Powerful Essays words 6. The planet Mars could be terraformed more easily than other planets because it is believed to be the planet most like Earth. The next five planets in order from the sun are gaseous. Thus the force of gravity on Mars is about one-third of that on Earth.

Our galaxy, the Milky Way, is estimated to host about billion planets most of which orbit a star. In the near past, astronomers have discovered hundreds of planets in our galaxy, some of whom exhibit some Earth-like characteristics. Our solar system comprises of the sun, eight planets and their moons, and several small solar system bodies. Previously, Pluto was considered to be the ninth planet in the Solar System.

The Nine Planets Solar System Tour

However, in , Pluto was demoted to the status of a "dwarf planet". This was due to more concrete, strict definitions of what a planet is. In order to constitute as a planet, an object must not only orbit the Sun, but must also have large enough mass that gravity can create a rounded shape. A potential planet must also be the most important object in its "neighborhood". As Pluto has close neighbors, it no longer counts as a planet in its own right. Mercury is the closest planet to the sun.

It is also the smallest planet in our solar system. Mercury completes a full revolution around the sun in 88 days. It is a rocky planet with an equatorial radius of 1, miles. Interestingly, Mercury does not have an atmosphere. This means that the temperature on Mercury can fluctuate from degrees Fahrenheit during the day to minus F during the night!

Venus is the second closest planet to the sun.

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The atmosphere on Venus is dense and traps warm air within it. Venus is Earth's closest neighbor. Venus has the longest revolution and rotation times of any planet in the solar system. Venus takes The rotation of Venus on its axis is so slow that it takes the equivalent of Earth days to complete a single rotation, which means a single day on Venus is longer than a whole year on Venus. Planet Earth is the only planet known to host life.

It completes a revolution around the sun every It is 92,, miles away from the sun and is the third planet closest planet to the sun.

It is estimated that the formation of Earth began 4. Earth is the densest planet in the Solar System. It has a solid surface just like the Earth, but its atmosphere is thin. Mars is half the size of the Earth and is ,, miles from the sun. Mars is sometimes visible from the Earth in the evening due to its bright surface. Liquid water is not found on the surface of the planet due to the low atmospheric pressure. Researchers are examining the possibility that life once existed on Mars.