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According to NASA's figures, the mass of Neptune is 102,440,000,000,000,000,000,000,000 kg or 102.4 quadrillion kg, or if you want the scientific notation 1.0244 x 1026 kg. This makes Neptune around 17 times the mass of the Earth.

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15y ago
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8y ago

Neptune's mass is 17.1 times greater than that of the Earth.

Earth's mass is 5,973,700 x 10^21 kg

Neptune's mass is 1.0215027 x 10^29 kg

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Alma Tiros

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4y ago

The Earth has a mass of about 6 × 1024 kg. Neptune has a mass of 1 × 1026 kg. How many times bigger is Neptune than Earth?

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15y ago

It's apparent magnitude is 7.7 at best.

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Q: What is the magnitude of Neptune?
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Related questions

What is the apparent magnitude of Neptune?

The apparent magnitude of Neptune is 7.8


Can neptune be seen by a telescope?

No. Its apparent magnitude (i.e., brightness) is about 8; with the naked eye, we can see objects up to approximately magnitude 6.


Can neptune be seen by without a telescope?

No. Its apparent magnitude (i.e., brightness) is about 8; with the naked eye, we can see objects up to approximately magnitude 6.


Can Neptune be seen fom the earth without a telescope?

Sorry, no. Neptune has a magnitude of about 7.8, which is below the level of visibility. It wouldn't take a very large telescope to find it, but you would need to know exactly where to look.


The magnitude of the force the Sun exerts on Uranus is 1.41 x 10^21N even though it is much further away than Neptune. Explain how it is possible for the Sun to exert a greater force on Uranus than Neptune exerts on Uranus?

the sun is much much more massive than Neptune


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Can planet Uranus be seen with out a telescope?

On a very clear dark night, well away from artificial lights... yes. 6th magnitude is usually taken as the limit of naked-eye vision under ideal conditions; Uranus is just a little brighter than that. Neptune, though, at around magnitude 8, is in the "wishful thinking" category.


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Why did they call the planet Neptune Neptune?

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