What are inner and outer planets?

What are inner and outer planets?

Statement 1: Mercury, Venus, Earth and Mars are known as inner planets. They have less number of moons or no moons. Statement 2: Jupiter, Saturn, Uranus and Neptune are known as outer planets. They have large number of moons and all have a ring system around them.

What are 4 characteristics of the inner planets?

All of the inner planets are solid, dense, rocky planets. The inner planets either do not have moons or have just one (Earth) or two (Mars). None of the inner planets have rings. Compared to the outer planets, the inner planets have shorter orbits around the Sun, but all the inner planets spin more slowly.

Why inner planets are called so?

In the inner Solar System, we find the “Inner Planets” – Mercury, Venus, Earth, and Mars – which are so named because they orbit closest to the Sun. In addition to their proximity, these planets have a number of key differences that set them apart from planets elsewhere in the Solar System.

What are the 4 inner planets made of?

Space Environment Earth and the other three inner planets of our solar system (Mercury, Venus and Mars) are made of rock, containing common minerals like feldspars and metals like magnesium and aluminum. So is Pluto. The other planets are not solid.

Which is an outer planet?

) In contrast, the four outer planets, also called the Jovian, or giant, planets—Jupiter, Saturn, Uranus, and Neptune—are large objects with densities less than 2 grams per cubic cm; they are composed primarily of hydrogen and helium (Jupiter and Saturn) or of ice, rock, hydrogen, and helium (Uranus and Neptune).…

What are the outer planets *?

The four planets closest to the Sun are known as the inner planets, whereas the four farthest away from the Sun are known as the outer planets. The outer planets are Jupiter, Saturn, Uranus, and Neptune.

What is the largest inner planet?

• Out of the four inner planets, Earth is the largest, densest, and third inner planet. It is the only one that currently has liquid water and is the only habitable planet in the solar system.
• It is the fifth-largest planet in the solar system in terms of size and mass.

What is another name for the inner planets?

The terrestrial planets are the four innermost planets in the solar system. None of the terrestrial planets have rings, although Earth does have belts of trapped radiation, as discussed below.

What is unique about the inner planets?

The Inner Planets From left to right, they are Mercury, Venus, Earth, and Mars. Unlike the outer planets, which have many of satellites, Mercury and Venus do not have moons, Earth has one, and Mars has two. Of course, the inner planets have shorter orbits around the Sun, and they all spin more slowly.

Which is the hottest planet?

Venus’ thick atmosphere traps heat creating a runaway greenhouse effect – making it the hottest planet in our solar system with surface temperatures hot enough to melt lead. The greenhouse effect makes Venus roughly 700°F (390°C) hotter than it would be without a greenhouse effect.

Which inner planet is the smallest?

The smallest planet in our solar system and nearest to the Sun, Mercury is only slightly larger than Earth’s Moon.

Why Pluto is not a planet?

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.”

Is Mars a gas or rock?

Mars is a rocky planet. Its solid surface has been altered by volcanoes, impacts, winds, crustal movement and chemical reactions.

What planet is gas?

The four gas giants in our solar system are Neptune, Uranus, Saturn, and Jupiter. These are also called the Jovian planets. “Jovian planet” refers to the Roman god Jupiter and was intended to indicate that all of these planets were similar to Jupiter.

Which was the first planet formed?

Jupiter, the First Planet to Form in our Solar System | NOVA | PBS.

What Colour is Jupiter?

The outer atmosphere of Jupiter is mostly hydrogen and helium, with some water droplets, ice crystals, and ammonia crystals. When these elements form clouds, they create shades of white, orange, brown, and red, the colors of Jupiter.

What Colour is Venus?

Viewed through a telescope, Venus presents a brilliant yellow-white, essentially featureless face to the observer. Its obscured appearance results from the surface of the planet being hidden from sight by a continuous and permanent cover of clouds. Features in the clouds are difficult to see in visible light.

What Colour is Mercury?

The planets of the solar system are varied in their appearance. Mercury is slate gray while Venus is pearly white, Earth a vibrant blue, and Mars a dusky red.

What are inner and outer planets Class 11?

Complete answer: Inner planets are those which are small in size such as Mercury, Venus, Earth and Mars. Earth is the largest inner planet and Mercury is considered to be the smallest inner planet. On the other hand, outer planets are those which are huge in size, for example – Jupiter, Saturn, Uranus and Neptune.

What are inner planets Short answer?

The inner planets are closer to the Sun and are smaller and rockier. The outer planets are further away, larger and made up mostly of gas. The inner planets (in order of distance from the sun, closest to furthest) are Mercury, Venus, Earth and Mars.

Why are the inner and outer planets so different?

The temperature of the early solar system explains why the inner planets are rocky and the outer ones are gaseous. As the gases coalesced to form a protosun, the temperature in the solar system rose. In the inner solar system temperatures were as high as 2000 K, while in the outer solar system it was as cool as 50 K.

What are inner planets give examples?

any of the planets in our solar system whose orbits lie between the sun and the asteroid belt, namely, Mercury, Venus, Earth, and Mars, all of which are terrestrial planets.