Neptune is about 17 times the mass of Earth.
Neptune has a diameter of about 49,244 kilometers, making it the fourth largest planet in our solar system. It has a mass of about 17 times that of Earth, weighing in at approximately 1.024×10^26 kilograms.
Neptune has a mass of about 17 times that of Earth, which means it is much heavier than Earth.
Your mass stays the same but your weight is different because it is the force that the planet's mass attracts your mass with. So if you are on a small planet your weight is less. A body with 100 pounds mass has a weight of 100 pounds on the Earth but only 17 pounds on the Moon, and zero pounds in space.
Earth's Mass is 17 times less than neptune's mass.
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Neptune has a mass of 1.0243×1026 kilograms, or about 17.147 times that of Earth. Wikipedia has additional information, and a link is provided below to their post on this, the new "last planet" now that Pluto has been "demoted" to a planetary body. Neptune's density is 1.638 g/cm³. That means that in every cm cubed it weighs 1.638 grams.
yes. everything that has a mass has gravity, including urself. but on the moon the gravity is only 17% as strong as earths gravity
15-17 percent of the mass of the Sun.15-17 percent of the mass of the Sun.15-17 percent of the mass of the Sun.15-17 percent of the mass of the Sun.
Strictly speaking you should say "mass" for this sort of question. Anyway Neptune's mass is about 17 times the Earth's mass.
It is known as Wasp-17b, discovered in 2009. The planet is believed to have a radius 1.991 times (nearly double) that of Jupiter but a mass of only 0.486 times (less than half).
17 electrons - atomic mass 35.5 and atomic number 17
The mass number is calculated by adding the number of protons and neutrons, so for a Chlorine atom with 17 protons and 18 neutrons, the mass number would be 17 (protons) + 18 (neutrons) = 35. The atomic number is simply the number of protons, which in this case is 17.