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1) The Voyager 2 spacecraft in 1989.

2) The Hubble Space telescope.

3) Earth based methods, especially spectroscopy.

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Q: How have humans gathered information about this planet neptune?
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Related questions

Who was the first person to step on Neptune?

No humans have visited the planet Neptune.


Is Neptune the planet a suitable place to live in?

Neptune is a gas giant, so it is uninhabitable to humans.


Can Humans Surive On This Planet Named Uranus?

No. There is no oxygen in Neptune's atmosphere


Information on planet of Neptune?

neptune is a huge gas giant. it has winds reaching up to 159 miles per hour. it is the 8th planet from the sun.


Is Neptune a star or a planet?

Neptune is a planet.


What is Neptune's planet number?

Planet Neptune is the eighth planet from the sun.


Is Neptune an inner or outer planet?

Neptune is an outer planet. It is the outermost planet in the solar system.


Could a human land on Neptune?

It may be possible in the future, but today we are not able to travel that far.


Why is it there the Neptune?

Neptune's vision is blue and it is the 8th planet. There is Neptune because it is a planet.


Which is the 8 th planet from the Sun?

Neptune is the eighth and furthest planet from the Sun.


Where can one find information about the planet Neptune?

There are many websites on the internet that contain information on the plant Neptune. Some such websites would be Wikipedia, and National Geographic.


What is the eighth planet from the sun?

Neptune is the eighth planet from the sunneptuneNeptune.