ASTRONOMY
1. How are the outer planets similar to each other?
2.How are the outer planets different from each other?
3.How are dwarf planets different from true planets?
4.What is the arrangement of the outer planets? What effect does their placement have the planets?
6.What is Titan? Why are scientists interested in it?
(I usually don't use this site to ask questions because i usually know the answers but i don't have time to study before I need to submit this, thank you)

Respuesta :

1. Outer planets are gaseous planets (Jovian Planets). All the outer planets have ring system. They have many number of natural satellites. They have longer period of revolution as compared to inner planets.

2. Outer planets are different from each other in the following way:

The size and mass of the four outer planets is different from each other. Uranus rotates in opposite direction as compared to rest of the planets. Jupiter is the largest planet where as Saturn is the lightest. All the outer planets have different composition of gases and water.

3. Dwarf planets are smaller in size and have irregular shape as compared to true planets. In our solar system, we have 8 true planets and 5 official dwarf planets but can be as many as 10,000 dwarf planets present in Kuiper belt.

4. The outer planets lie beyond asteroid belt in the following sequence: Jupiter, Saturn, Uranus and Neptune. Due to this arrangement, as the distance increases from the Sun, the temperature of the surface of these planets drops.

6. Titan is the largest moon of Saturn. Scientists are interested in studying Titan because of its dense atmosphere and liquid hydrocarbons lakes. Methane lakes are present on its surface. Although there is no water on it but scientists are exploring the possibility of life sustained on hydrocarbons as there is presence of pre-biotic environment with the possibility of biotic environment in sub-surface. It has methane cycle like water cycle on Earth and weather pattern.

1. How are the outer planets similar to each other?

All outer planets are similar to each other in a couple ways. They are all structurally composed of mostly gases with small rocky cores. They are enormous along with being spaced out far away from each other. They also have powerful natural environments such as a lot of wind, some storms, and intense temperatures. Remarkably, outer planets are also known as Jovian planets due to their comparisons with Jupiter.

2. How are the outer planets different from each other?

Now as I just wrote, outer planets share many qualities however, they do differ from one another a lot as well. Uranus and Neptune are referred to as, ice giants, due to their icy structure. Where Jupiter and Saturn are referred to as, gas giants, due to their gassy structure. Furthermore, Uranus is the only outer planet with retrograde rotation along with moons that are named after Shakespearean characters. Lastly, Saturn is the only planet with less density than water.

3. How are dwarf planets different from true planets?

I would say that the main difference among dwarf planets and true planets would be their orbits' level of clarity. A dwarf planets orbit contains other celestial bodies such as asteroids and comets, where a true planets' orbit is clear.

4. What is the arrangement of the outer planets? What effect does their placement have the planets?

The arrangement of outer planets from closest to the Sun to farthest from the Sun is Jupiter, Saturn, Uranus, then Neptune. The outer planets' placement effects their temperatures. Due to Uranus and Neptune being farthest from the sun, they are composed of various types of ice: water, ammonia, and methane.

5. What is Titan? Why are scientists interested in it?

Titan is Saturn's largest moon. Scientists are interested in Titan because it has a very chemically complex environment. Its atmosphere constantly creates hydrocarbons that are able cover the surface and form liquid methane creating ethane lakes. However, sunlight continually destroys Titan's methane gas and transforms it into more complex molecules. This results in the supply of methane gas running out. In In addition, research has shown us that Titan's atmosphere was first created after its body had already formed. This showed us that its methane gas is less than one billion years old.

6. How do the outer planets differ from the inner planets?

The Outer planets differ from inner planets in size, mass, composition, and distance. The outer planets are made of gases instead of rock and metal like inner planets. Unlike inner planets, outer planets are bigger and spaced further apart Inner and outer planets are divided by the asteroid belt; inner planets are closest to the Sun and outer planets are farthest from the Sun. Also, Inner planets have little to no moons, where outer planets have dozens of moons because of their large masses.

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