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The Solar System

Ever wondered if there is life on Mars? Or if Jupiter has five moons? Look no further; here is the category concerning all questions about our solar system and the known planets!

4,302 Questions

Can the earth and moon cast shadows?

Yes, they can.If the Earth's shadow happens to fall on the Moon, we see that as a lunar eclipse.

The Earth's shadow also affects satellites that pass through it - especially if they are in low orbit.

If the Moon's shadow falls on Earth, we experience that as a solar eclipse.

Is it faster to travel from planet to planet withing a solar system or from star to star within a galaxy or from galaxy to galaxy within the universe?

In general, it's safe to assume that traveling shorter distances in outer space is, and will continue being, faster than traveling larger distances.The distances between planets within our own Solar System are in the order of light-minutes to light-hours, i.e., it will take light minutes or hours to go from one planet to another.

The distances to the closest stars (other than the Sun) are in the order of a few light-years. For example, the closest star (other than the Sun) is at a distance of about 4.2 light-years.

The distances between nearby galaxies are in the order of hundreds of thousands to millions of light-years.

How did aristotles' inability to detect parallax lead him to propose a geocentric model of the solar system?

He reasoned that since parallax could not be observed for celestial objects near the sun, then the earth was stationary. This erroneous assumption was because at the time he had no way of knowing that celestial objects were so far away that their parallax angles were too small to detect.
He reasoned that since parallax could not be observed for celestial objects near the sun, then the earth was stationary. This erroneous assumption was because at the time he had no way of knowing that celestial objects were so far away that their parallax angles were too small to detect =) Hope it helped. I had the same question

How is the solar system connected?

The various bodies in our Solar System are loosely connected by the force of gravity, with the Sun at its center.

Why do astronomers conclude that none of the Jovian planets rings can be left over from the formation of the planets?

I understand that they have calculated that such a ring would not be stable in the long term. It might last a few hundred million years, at most, if I remember correctly.

Will Neptune and Uranus ever collide?

No, Neptune and Uranus will never collide. Their orbits do not come anywhere near one another.

What is the temperature of the kuiper belt?

Objects in the Kuiper Belt often have a temperature of just 50K, or -223.15 Centigrade.

Mercury was named after the roman god of speed Why is this an appropriate name for the planet?

As it is nearest the Sun, it takes the least amount of time to orbit it, so it has the fastest year. Its actual speed is also faster than that of any of the other planets.

How would one calculate the solar power generated from PV solar cells?

I have a 4.2KW system and live in a sunny country area. On a hot summer's day I can get 30KW, in winter 23KW. You can't calculate accurately because there is no accurate data for solar irradiation, and because the weather is unpredictable.

Why is the solar system considered a natural system Look to the word nature for clues.?

Natural systems are not made by humans. The solar system is not made by humans, so it’s considered a natural system.

How can Saturn's mass be greater that Earth?

Quite simply, different planets have different masses. They are not all the same.

Why did they name the other planets in the solar system after Roman deities, when the Earth itself is not named after one?

Because Earth is the only planet not named after a Roman god or goddess, but it is associated with the goddess Terra Mater

Why is there an order for the planets in your solar system?

There is not just one order. They can be ordered in terms of size, distance from the Sun, orbital period, amount of hydrogen in the atmosphere, and many more ways.

Do the different parts of the solar system spin?

Yes, just about any object in the Solar System - or in space in general - spins. Some faster, some slower.

Does the moon go clockwise and counter-clockwise?

Virtually everything in our solar system rotates or orbits counter-clockwise (CCW), as seen from a location high above the North Pole. The Sun spins CCW, all the planets orbit CCW, 6 of the 8 planets spin CCW (Venus hardly spins at all, and Uranus' spin is parallel to the ecliptic).

The Moon, like everything else, orbits CCW and spins, one spin per orbit, CCW.

What did Kepler notice about the speed of planets as they orbit the sun?

He noted that the speed of the planets changed, moving faster as they approached the Sun, and slowing down as they moved away. His work paved the way for Newton to develop calculus to describe the overall effects of minuscule but continuous changes.

What planet spins in the opposite direction of the other planets in a solar system it is called .?

This is called retrograde rotation. Within our solar system, the planets of Venus and Uranus have retrograde rotation.

How did ancient scientists know that there are nine planets in the solar system without having any special equipment?

Ancient astrologers only knew about 5 planets plus Earth. They knew about the 5 planets from visual observation.

Furthermore, there are only 8 planets in our solar system.

How do the astronomical bodies in the solar system affect each other?

Mainly through gravity - the bodies attract one another. This means that gradually, over a long period of time, the gravitation of one planet can change the orbit of another planet.

Why can we see mars and Jupiter at night?

We can see them when they are above the horizon and the Sun is below the horizon. They still receive sunlight when we are having our night-time, and what we see is the part of the planet that is in sunlight. Jupiter is brighter because it is very much bigger, despite being a lot further away.

Is a star system the same as a solar system?

Yes, a star system is the same as a solar system.

Where is the Belt Public Library in Belt located?

The address of the Belt Public Library is: 404 Millard St, Belt, 59412 0467

What role did gravity play in the formation of solar system?

Gravity has the same role as it does in any solar system it keeps the planets in order