answersLogoWhite

0

By observation through telescopes and fly-bys by spacecraft.

User Avatar

Wiki User

17y ago

What else can I help you with?

Related Questions

How much does Neptune wheigh?

All i know is alot!


How much sun does Neptune get?

well since neptune is almost the farthest planet................................probaby.......................................oh i dont know. silly me answering is for nerds


Does Neptune have a gravitational pull on Mercury?

Yes, every object in the universe has a gravitational pull on every other object. However, Neptune is so much smaller than the Sun, and so much farther away, that Neptune's gravitational pull on Mercury will be unmeasurably small.


How do you know every thing you know about Neptune?

Neptune is the eight planet from the sun


How many earths can fit into Neptune's?

Neptune is about 3.88 times larger than the Earth, so about 58.5 Earths could fit inside Neptune.


Why is Neptune much colder than mars?

Temperature relies on distance from the Sun. In order the planets are ... Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto So Mercury is hottest as it is closest to the Sun Mars is closer than Neptune, so is hotter. So Neptune is colder.


How long can Neptune the water god stay under water?

Techinically, Forever. But, we don't know that Neptune exists, so we can't say for sure.


Which has more gas Saturn or Neptune?

Saturn is much larger than Neptune so it likely has more gas since they are both gaseous.


Can you get signal from Neptune?

i think you can get radio signals from neptune because a space thing said so. well i need to know the answer because im doing a project.


What are you supposed to do on Neptune?

nothing , there is no unsustainable life that we know of on Neptune


Has enyone ever been to Neptune?

it would take us nearly 8 months to get to mars so imagine how long it would take to get to neptune. plus the climate is much much colder so it's not really possible in the near future


What can live on the planet Neptune?

No known living organisms can survive on the planet Neptune due to its extreme cold temperatures, lack of sunlight, and inhospitable environment. Neptune's atmosphere is composed mostly of hydrogen, helium, and methane, making it unsuitable for any form of life as we know it.