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They reflect light from the sun back to observers on earth, unlike the stars, which emit their own light. Everything in our solar system is `lit up` by our sun, which emits light. The planets and moons (along with comets and other objects) don't emit light themselves, but are illuminated by the sun.
What else can I help you with?
Does the mass of a planets seem to effect how many moons it has?
Yes. The massive giant planets have far more moons than the less massive terrestrial planets.
Why do planets and moons seem to emit light yet they are not stars?
They are reflecting the light that is released by the Sun.
Do all gas giants have lots of moons?
All the ones in OUR solar system seem to have lots of moons; this is probably not so much a characteristic of "gas giant" planets, but of large planets in general, with high gravity. We know nothing, as yet, about the moons of the hundreds of planets in OTHER solar systems. We hardly know anything about the planets.
Which planet has meteorites orbit around it?
I'm pretty sure there isn't one. Some moons of planets seem to be "captured" asteroids. Several planets fit that description.
What shape do you think the universe is?
Since all of the planets, and moons, and stars seem to have a spherical shape, it is possible that the universe may be a sphere.
Why do scientists disagree about the number of moons the outer planets have?
They don't. Some books may seem to disagree because they are outdated. More moons have been discovered since those books were published.
What doe s all the planets look like?
Most Planets seem spherical, but have lots of indentations. There are no common factors among planets and all appear to have physical differences
Name any other planets that have a moon?
Maybe; some scientist seem to have seen 3 moons circling mars at some point.
Does the mass of a planet seem to affect how many moon it has?
Yes, the mass of a planet can influence the number of moons it has. A planet's gravity can capture objects like satellites and smaller bodies, increasing the likelihood of having more moons. Additionally, larger planets with stronger gravitational pull generally have more moons compared to smaller planets.
Does the Earth's moon have any moons?
Yes! A moon is an astronomical object (or natural satellite) that orbits a larger planet. Earth has 1 moon.Some dwarf planets and even asteroids may have moons, although orbital dynamics seem to work against moons having moons of their own.
Does the mass of a planet seem to affect how many moons it has and why?
Yes, the mass of a planet often affects the number of moons it has, primarily due to gravitational influence. Larger, more massive planets, like Jupiter and Saturn, have stronger gravitational fields that can capture and hold more moons. Additionally, their size allows them to attract more debris and smaller celestial bodies, which can coalesce into moons over time. Conversely, smaller planets like Mars and Mercury have fewer moons because their weaker gravity is less effective at retaining them.
Do aliens possibly exist?
Yes. There are estimated to be at least 100 billion planets in our galaxy alone, some of which seem to be similar to Earth. Given those numbers it seems pretty likely that life would have emerged on planets or moons aside from Earth.
