which planet weighs more mercury or earth?
957267
Technically, you really want to know which has more mass (greater gravitational effect), or which has greater density.  Earth by far has more mass, and is far larger.  On the other hand, they are very close in average density.  The average density of Earth is 5.515 g/cm^3 (the densest planet in the solar system), the average density of Mercury is 5.427 g/cm^3 (#2).\n\nThe reason for this is quite interesting.  Like Earth, Mercury has an iron rich core, which means that early in its life Mercury separated out into the heavy dense metals and lighter rocks.  The light stuff floated to the top and became the crust, and the heavy stuff sank to the middle and became the core, just like Earth.\n\nIt seems, though, that sometime early in Mercury's history is collided with a huge planetesimals.  The collision stripped away almost all the crust, sending it into the sun and to the outer planets (Venus and Earth).  It was a cataclysmic collision, destroying the planet that was Mercury and leaving barely more than the core, which is what there is now.  Mercury used to be about 2.5 times bigger than it is now, bigger than Mars and rivaling Earth and Venus.  But because of that collision, little more than the core remains, which is why it is so dense.
671321
This is sort of true, but not entirely. Mercury has a very fast orbit around the sun, and a very slow rotation about its axis - in fact, the "days" are longer than the "years."  Additionally, Mercury's orbit is very erratic - sometimes it gets really close to the sun, and other times it gets further away.  During the times when its orbit is getting closer to the sun, the gravity acting on it makes it speed up.  When the planet speeds up then the relative speed of the planet's orbit and its rotation change.  The result is that the sun would appear to rise about halfway, go back down again, and then start rising and setting normally.  This happens only in the eight or so Earth days around "perihelion" - the time when Mercury is closest to the sun.
180202
Neither. It's the mass of the planet itself. Everything that has mass projects a gravitational field. The more massive an object is, the bigger its gravitational "pull". This is why objects like the Sun can support several large planets, while Pluto (which has a moon about a third the size of it) gets pulled around by its moon.
985891
The planet Mercury was named after a roman "god", he was the messenger of the gods. He's the one with wings on his feet and a helmet with wings. The element mercury was named after this planet. Mercury was known for speed and mobility, which is probably why the planet (which is the fastest around the sun) and the element (which has mobility compared to other elements) are named after him.
1093952
The mass of the earth is 5983 Yg (yottagrams), and it gains another 40 Gg (gigagrams) every year from captured meteorites and cosmic dust.\nor\nThe mass of the planet Earth is 5.97 * 1024 kilograms.\n\nMost of the mass of the Earth is in the mantle, most of the rest in the core; the part we inhabit is a tiny fraction of the whole earth
273200
Mercury has no true atmosphere.  It only has trace amounts of whatever gases are present.  See the given link.
373381
Jupiter has a greater influence on Saturn because of the inverse square law relating to the strength of gravity (move twice as far away and the gravitational strength drops by a factor of 4).\n\nAlso, the influence of Saturn is far stronger because it is far larger than Mercury.  Saturn is about 95 times as mmassive as Earth comapred to Mercury which is about 1/5 the mass of Earth
359420
Venus is closer to the sun than Earth so has a smaller orbit.\nMars is further from the sun than us, so has a bigger orbit.
645123
Mercury' orbit is highly eccentric. The strong gravitational field of the sun introduces relativistic effects into its orbit such as the precession of 52 seconds every century.
406724
I think you are interested in the earth's mass.  If you wanted to earth's weight ( with respect to the sun) you would need the earth's mass and the sun's gravitation pull.\n\nIt doesn't really make sense to find the earth's weight relative to the earth's gravitation pull.
104818
If an object has mass, then it exerts gravity. The larger the mass the more gravity it exerts. Earth exerts gravity, but so does the moon, and the sun. The sun exerts a lot more gravity because it has more. Weight is a function of mass and gravity. So if you're asking about weight of earth, then in relation to what?
897006
Mercury is 57,910,000 km or 36,001,813 miles from the Sun, on average. It does vary by several percent because Mercury has a rather eccentric orbit.\n\nThe Earth orbits the sun at an average distance of 149,600,000 km or 93,004,167 miles. So the distance between Earth and Mercury is only about 57 million miles when the Earth and Mercury are on the same side of the Sun and about 129 million miles when they are on opposite sides of the Sun.
42438
The Sun weighs approximately 2*10^30 kg, which is about 333000 times the weight of the Earth.
914703
the gravity on Jupiter is only 254% of the gravity on Earth. This is because Jupiter is such a large planet (and the gravitational force a planet exerts upon an object at the planet's surface is proportional to its mass and to the inverse of its radius squared). \n \nA 100-pound person would weigh 254 pounds on Jupiter.
1179173
It is more like they are falling around the Sun. Earth is always falling into the Sun, but it's sideways orbital speed keeps moving Earth to the side of it's direction of fall. So the direction it would have to fall to hit the sun keeps changing and Earth has to keep starting over to get up speed falling in the new direction. This just keeps going on forever, falling toward the Sun but always missing it to one side. Of course, this takes enormous speed on the part of the Earth, about 66,000 miles per hour sideways all the time. Closer planets must move sideways faster, because they are closer to the Sun and are pulled down to it more strongly than distant planets. So Mercury moves much faster than Earth and Pluto much slower. But it is the same principle.
407850
If one could actually weigh the Earth, the answer would be yes because the mass has increased over the past millions years due to falling of metorites onto the Earth's surface. I forget how many metorites fall onto the Earth each day but it is in the thousands. Most burn up in the atmosphere, but the atmosphere is part of the Earth and the resulting material is added to the balance of the mass.
766993
Jupiter is 2.5 times more massive than all the other planets combined. It is 318 times more massive than Earth, with a diameter 11 times that of Earth, and its volume is 1300 times as great as that of Earth.