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What planets have large gravity?
Planets with a large amount of mass.
Who believed that forces keep moons orbiting planets and planets orbiting the sun?
Isaac Newton stated that the universal law of gravitation keeps moons orbiting planets and planets orbiting the sun. This law describes how every mass attracts every other mass in the universe with a force proportional to the product of their masses and inversely proportional to the square of the distance between their centers.
What is the force that keeps planets orbiting star and satellites orbiting planets?
The force is called gravity. It is a force that works both ways, i.e. when the Sun's gravity operates on a planet, there isan equal an opposite force acting the other way but the Sun is so massive it hardly moves, because force equals mass times acceleration, so if mass is large the acceleration is low.
How does the mass of a planet relate to its distance from the sun?
There is no necessary connection between mass and distance. The mass of a planet does not affect its orbital speed, for example. However the "giant planets" are further from the Sun than the less massive "terrestrial planets". The outer (more massive planets) contain a lot of gases. So, they would surely lose a lot of their mass if they were nearer the Sun. (In fact, we have found planets called "hot Jupiters" orbiting other stars. These are Jupiter type planets, but they orbit very close to their star.)
Are there planets orbiting suppernovas?
No. A supernova is star that is exploding. If any planets are orbiting a star that explodes, they will be destroyed. There is evidence that after a supernova new planets may form from the debris cloud left behind and orbit the stellar remnant, which will be either a neutron star or a black hole depending on the mass of the star that exploded..
What are binary pairs in a galaxy?
That means that two stars are close together, orbiting their common center of mass.
How do you now that there are planets that orbit other stars?
There are two basic ways to locate a planet orbiting another star.The first is by detecting the slight wobble of the star that is created by the gravitational pull of the planet as it orbits the star. This type of test is better at locating large planets that are close to their parent star seeing as how planets invariably have much less mass, and therefore have very little affect on the star itself. The second method is to simply look at the light coming directly from the star and wait for it to dim. This happens when an orbiting planet passes between the star and earth, essentially creating an "eclipse" type effect.
What is any large mass?
Earth, the Moon, the Sun, other planets.
Why do you think the planets keep orbiting the Sun instead of each other?
It is because the sun accounts for approx 99.8% of the mass of the solar system.
Which of the following are the best candidates to search for planets that might harbor extraterrestrial life?
Planets located in the habitable zone of their star (where liquid water can exist), planets with rocky compositions, planets orbiting stable stars, and planets with atmospheres that could support life would be the best candidates to search for extraterrestrial life.
What other planets have a gravitational pull?
Not only planets but everything with mass, no matter how large or small, has a gravitational effect.
What force causes planets to orbit the sun in our sloar system?
The sun is a huge mass, 109 times bigger than the Earth. A mass this large has it's own gravitational pull, just as Earth does. The sun pulls all the planets into line so that they can get proper sunlight and life forms on them will not die. so, the cause of the orbiting of the planets is the suns gravitational pull.
