Temperatures range from 90K to 700K. Venus is slightly hotter, but much more stable. Mercury is in many ways similar to the moon. The biggest comparison is the surface being heavily cratered and very old. Mercury is also the second densest planet in the solar system, only behind earth.
Their differences are largely the result of their different distances from the sun. We call the planets that are closer to the sun, including the Earth, the inner planets. They are small rocky worlds. The outer planets are much larger and are made from much lighter materials. All but two planets, Mercury and Venus, have moons in orbit around them.
The force of gravity on Neptune is almost the same as you feel walking on Earth. As you can see, each planet in our solar system has something different to offer and are full o... ... middle of paper ... ...reason why Earth and the moon aren’t considered a twin planet. The Sun is located at the center of our solar system and is orbited by eight major planets in our solar system which includes: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto even though it’s not considered a planet. The sun consists of 99.86% of the mass in the solar system. Also, due to its size, heat, and chemical makeup, it’s a medium-sized star and classified as a G2 dwarf.
Solar Flares are hot gases, they leave the Sun and entrance into Space. The median size of stars in our Galaxy is probably less than half the mass of the Sun. The Sun contains 70% Hydrogen and 28% Helium, this slowly changes over time. The surface rotates once every 25.4 days due to the outer layers of the sun. This strange cause is because the facts that the Sun is not solid body like the Earth.
It is about 90% hydrogen and 10% helium with traces of methane, ammonia, water and rock. Jupiter’s interior is very similar to the Sun’s interior but with a far lower temperature. However, it is still unknown but Jupiter is believed to have a core of liquid metallic hydrogen. This exotic element can only be achieved at pressure greater than 4 million bars. Jupiter radiates more energy in space than it receives from the sun.
There are also many other minor planets which are also in our solar system, but they are unimportant compared to the nine major planets. In this paper I will discuss the planets and how they are each unique. Mercury which is the planet that is closest to the sun is the first planet I will discuss. Mercury is the smallest of the inner planets. It is speculated that the heat from the sun made it impossible for the gases present to become part of the planetary formation.
This is a little more than 11 times the diameter of the Earth. Jupiter is so large that all the other planets in the solar system could fit inside it (if it were hollow). Mass and Gravity: Jupiter's mass is about 1.69 x 10(27) kg. Although this is 318 times the mass of the Earth, the gravity on Jupiter is only 254% of the gravity on Earth. This is because Jupiter is such a large planet (and the gravitational force a planet exerts upon an object at the planet's surface is proportional to its mass and to the inverse of its radius squared).
Saturn is the 6th planet in order distance from the sun. It cannot approach the planet Earth closer than 1,190,000,000 kilometers. Its brightness is due to its large size. Saturn's equatorial diameter is 120,660 kilometers, but its globe is kind of flattened, and the polar diameter is only 108,000 kilometers. The mass of Saturn is 95.17 times that of the Earth, and the escape velocity, which is the velocity which once attained it will enable the object to "coast" away from the planet, is 32.26 kilometers per second, more than three times that of the Earth.
Although Uranus does not have a true “surface,” the surface area is so great that 16 Earths could be flattened out and barely cover the surface area of Uranus (Fraser). Another difference between Earth and Uranus is their distance from the sun. Earth is obviously closer to the sun than Uranus at 93 million miles away, while Uranus is 1.7 billion miles away. This makes Uranus the coldest planet in this solar system even though it is not the farthest planet from the sun. Perhaps one of the cooler differences between Earth and Uranus is the makeup of their atmospheres.
On a clear night, only a few hundred stars can be seen without the use of any astronomical instruments. The Milky Way Galaxy consists of at least 200 billion stars. Stars are huge balls of hot gases. The sun is a star, but it is not the largest star; it is only the nearest star. A star has three recognizable stages: its birth; the years in which it exists; and its death.