Planetary Science

There are no greenhouse gases on Mercury. Just a very thin atmosphere of helium and hydrogen. So it has no greenhouse effect. Its surface ranges in temperature from -270°F to 800°F (-168°C to 427°C).

The outer planets primarily consist of hydrogen and helium. They also contain trace amounts of other gases like methane, ammonia, and water vapor. Each outer planet has a unique composition and varying amounts of these gases.

PlanetDays to orbit sunMercury87.97Venus224.70Earth365.26Mars686.97Jupiter4331.57Saturn10759.22Uranus30799.10Neptune60190.00

There are only 8 major planets in the solar system, since Pluto (the old ninth planet) was re classified as a dwarf planet. If we did count the 5 additional dwarf planets, then Pluto would be the tenth one out, since there is a dwarf planet called Ceres between Mars and Jupiter.

Yes, both Mercury and Venus can experience retrograde motion. This is a result of their orbits being closer to the Sun than Earth's. When observed from Earth, their apparent motion sometimes appears to be moving backward against the background of stars before resuming its normal direction.

There is no known "butterscotch planet." It is possible that you might be referring to the planet Venus, which has a yellowish color similar to butterscotch due to its thick clouds of sulfuric acid.

Yes, planet Kepler exists. Kepler is the name of a star, Kepler-186, which has several confirmed exoplanets orbiting around it. One of these exoplanets is called Kepler-186f, located in the habitable zone of its star.

Mid morning, Midday (noon), Mid afternoon, Midnight...

Mercury has the shortest revolution period of about 88 Earth days. The planet you are referring to with a revolution period of 11 years and 313 days is Saturn.

The four inner, rocky planets are also known as the terrestrial planets. These are; Mercury, Venus, Earth and Mars.

These have much smaller diameters than the outer gas giant planets (Jupiter, Saturn, Uranus, Neptune)

The inner planets have higher densities than the outer planets, despite being smaller and much lower in mass.

The inner planets have a clearly defined surface.

The inner planets are warmer and are much closer to the sun. The closer to the sun the planet is, the shorter its orbit period.

Probably Venus, who's orbit varies only imperceptibly from a perfect circle. Venus's orbit is elliptical, but not so the average layman would notice (to astronomers, of course, it is quite different).

Objects in the solar system are different from each other due to variations in size, composition, and distance from the sun. These factors influence their physical characteristics, such as shape, density, and surface features. Additionally, the processes that formed and shaped each object, such as planetary formation or impacts from other objects, contribute to their differences.

A Geocentric model of the solar system would be where the Earth was at the centre of the system, while the sun and planets revolved around the Earth. We now know this not to be true, since the sun is at the centre of the solar system (Heliocentric).

Mars, It has a thin atmosphere of carbon dioxide. Earth and Venus have relatively thick atmospheres due to their larger size, while Mercury's mass is not large enough to sustain any stable atmosphere.

No planet in the solar system has that diameter.

The smallest planet, Mercury has a diameter of 4,879.4Km

Have you mixed up diameter with radius? If so, Mars is the closest with a radius of 3,396.2km.

Mars is placed after the Earth in the solar system.

A character's mind is typically constructed through their thoughts, beliefs, desires, fears, memories, and motivations. It encompasses their internal dialogue, emotional responses, and decision-making processes, all of which influence their actions and interactions with the world around them. Developing a character's inner workings can help create depth and complexity, making them more relatable and compelling to readers.

in this solar system you might search for microbial life on mars as some signs of life there have been detected recently.

You may also search for life on Europa (a moon of Jupiter) which may have water oceans below miles of ice.

There are a few other places in which life may exist but those theories are based on life forming in a different way to the other life that we know of.

Pandora is a satellite of the Planet Saturn. At its closest to us, it will be around 8.5AU and 10.5AU at its furthest, depending on where the Earth is in its orbit.

Yes, the distance of a planet from the sun affects its period of revolution. According to Kepler's third law of planetary motion, planets that are closer to the sun have shorter revolution periods compared to planets that are farther away.

Yes 1 day on Earth is 24 hours, 1 day on Jupiter is about 9.9 hours

Yes, other planets would be visible from Mars just like they are from Earth. Mars has a similar night sky to Earth, so you can see planets like Venus, Jupiter, and Saturn, as well as stars and our own moon.

The three major components that make up Earth are the core (including the inner and outer core), the mantle, and the crust. The core is comprised of a solid inner core and a liquid outer core, the mantle is a semi-solid layer beneath the crust, and the crust is the solid outermost layer of the planet.