Planetary Science

The Earth is the 6th farthest planet from the Sun. Neptune is the farthest.

No, living things do not necessarily have to live on the surface of a planet. Scientists could look for evidence of life in subsurface oceans on moons like Europa or Enceladus, in underground caves or habitats, or in extreme environments like deep-sea hydrothermal vents or high-altitude clouds. The search for life beyond Earth is not limited to surface conditions.

Jupiter has the most moons orbiting around it, with a total of 79 known moons as of 2021.

It's a bit like asking, what car is faster, a new car or an old car. A lot will depend on the make and model of a the original car. A new Nissan Micra will never be as fast as say an old Ford Mustang.

Stars get hotter as they mature but cool towards the end. So there is no definitive answer as it all depends on the time line for "young" and "mature".

Of equal original mass - you'd be safer saying younger.

The terrestrial planets are small in size and mass, they are rocky, solid and dense, all four terrestrial planets have 3 moons between them. They are warm and close to the sun. Terrestrial planets USUALLY have thin atmosphere.

The Gas Giants are huge in size, have rings made from dust, debris, ice, rock. They very cold (not close to the sun at all) and light (made from gas.) They have several moons between them (167, I think) and lastly Gas Giants usually have thick and deep atmosphere.

Uranus is the planet that last 84 Earth years to complete one orbit around the Sun.

The protostellar disk is very hot and only rocks and metal can combine together in that heat, so that makes the inner planets. In the outer disk it is very cold, so there are only ice and dust particles able to combine together, there are though rock centers in the outer planets but ice and gas make up the majority: that makes the outer planets.

Mercury. Mercury takes 88 days to go around the sun, so its year is 88 solar days.

This event is known as a Great Conjunction, where the orbits of Jupiter and Saturn align roughly every 20 years. However, a planetary alignment involving all the planets is a rare occurrence and may not happen exactly every 100 years.

No one has ever walked on the Sun. The mean surface temperature of the Sun is 5506°C (9944°F). No human could survive that. Long before anyone reached the "surface" (which is gas, anyway), radiation and solar protons would disintegrate most metals and cook any living thing.

Mars and Venus would have seasons most like Earth due to their similar axial tilts and orbital patterns. Mars has a tilt of about 25 degrees, while Venus has a tilt of around 3 degrees, both contributing to distinct seasonal changes on these planets.

Venus and Uranus are the two planets that rotate in a retrograde motion compared to their orbits around the Sun. This means their rotation is in the opposite direction to most other planets in our solar system.

The texture of Earth's surface varies, with features like mountains, plains, deserts, oceans, and forests contributing to a diverse overall texture. From space, Earth appears smooth due to its atmosphere, but its surface includes rough and smooth areas depending on the geographical features. Overall, Earth's texture is dynamic and complex, reflecting the varied geological processes that have shaped it.

Yes it is true.

Period of the moon's revolution around

the Earth (and rotation on its own axis). . . . 27.32 days

Period of the cycle of the moon's phases . . . 29.53 days

Difference . . . . . 2.21 days (phases longer)

Scientists look for certain conditions when determining if a planet is habitable. This includes the presence of liquid water, a suitable atmosphere, a stable climate, and the right distance from its star to maintain a temperature hospitable to life. Observations from telescopes, spacecraft, and simulations help in assessing a planet's potential habitability.

in our solar system the planets which are of a closer proximity to the sun than the earth never go in a retrograding motion as their orbits are smaller

yes they change as they are not permanent they are actually frozen water and mostly frozen carbon-Di oxide.these ice caps occur every martian winter and they disappear during martian summer but when they form the next time they change a little in shape

Well actually, not all of the planets move in a perfect circle. Uranus's orbital path is effected by the gravitational pull from Neptune. But the planets move in a orbital path because of the gravitational pull from the sun. Since the sun is circular, they move around the sun, so that's why they move in a orbital path.

Jupiter and Saturn are considered the gassiest planets in our solar system. They are primarily composed of hydrogen and helium, with thick atmospheres that contain traces of other gases like methane and ammonia.

Jupiter rotates on its axis most rapidly out of all eight of the planets, 9h 55m 30s for one full spin.

Planets closer to the sun than Earth orbit the sun in less than one year (Mercury and Venus), while planets further out from the sun than Earth take longer than a year (Mars, Jupiter, Saturn, Uranus and Neptune). The further out you go, the longer it takes to orbit the sun.

Temperature differences in the protoplanetary disk can lead to variations in the composition and distribution of materials, impacting the formation of different types of planets. For instance, inner, hotter regions may favor the formation of rocky planets, while outer, colder regions may support the formation of gas giants. These temperature variations can influence the presence of volatile elements and compounds in different parts of the disk, which in turn affects the types of planets that can form.

The statement that prison is one of the worst places on the planet is subjective and depends on individual experiences and perspectives. However, prisons are often associated with harsh conditions, violence, and loss of freedom, leading many to consider them as challenging environments.

The name of the path the earth takes around the sun is known as the orbit. The earth takes slightly over 365 to complete its revolution round the sun.

The eight major planets of our solar system all have three things in common: they are all in hydrostatic equilibrium (a sphere shape), they all orbit the Sun, and they all have clear paths around the sun without debris or smaller bodies nearby.