Planet Neptune Facts

1. Neptune is the fourth largest planet in the Solar System.

2. Neptune is a gas planet, composed of hydrogen, helium, methane, with traces of ammonia and water.

3. The only spacecraft ever to visit Neptune was the Voyager 2 in 1989.

4. Neptune is the god of the sea in Roman Mythology.

5. Neptune has the stronger winds than any other planet in the Solar System. Blowing in a westerly direction, winds on Neptune get up to 2,000 km/hour (1,200 miles/hour). “The Scooter” is a cloud that moves around Neptune about every 16 hours.

6. The blue color of the planet is due to the absorption of red light by methane in the atmosphere.

7. The orbital speed of Neptune is 5.4 km/second.

8. The diameter of Neptune is 49,528 km

9. A Neptune day is equal to 0.75 Earth Days

10. A Neptune year is equal to 164.83 Earth Years

30 Responses to “Planet Neptune Facts”

  1. ahahaha bo

    ahahaha

  2. tiffany

    neptune is a cool planet

  3. kairi

    tiffany yeah my best friend and trusted girl
    even you think Neptune is cool
    hey i just hate jennifa she’s so anoying
    she’s a retard

  4. lalapala

    hi….

  5. lalapala

    hiii whats your name .

  6. ok ugly

    yeah i said it

  7. lalapala

    no one likes you .

  8. alissa

    neptune was discovered by johann gottfried galle and heinrichlouis d’arrest.

  9. alissa

    neptune was discovered on september 23, 1846.
    neptune’s eight planets are naiad, thalassa, depoina, galatea, larissa, proteus, triton, and nereid.

  10. Chloe

    Learning about Neptune ws alot of fun. And interesting too. I learned alot of thing I didn’t even know. ;)

  11. Chloe

    I also forgot. I hope you learned some stuff too:)

  12. Ella

    I LOVE LEARNING ABOUT NEPTUNE!!!!!!!;
    )

  13. Chloe

    I learned tons of stuff about Neptune. I even learned some thing I didn’t even know! I hope you learned some stuff too. ;)

  14. Jocelyn

    iLoveeeeYouuuu.(:

  15. hope

    i did learn alot of stuff about NEPTUNE it was very cool and i have to do a resarch on NEPTUNE for school

  16. lol

    lol this is goooooooooooooood neptune is truley a cool planet

  17. lol

    lol dat is a coooooooool planet

  18. zina

    Neptune :D

  19. i hate u riely u b word

    wow neptune is awwwwsome like ya also me love upaul

  20. Emerald1020

    i love this website!!!

  21. Emerald1020

    this is for my report

  22. ariensy

    i hav 2 do a project of the planet

  23. hickup dude

    I’ve learned that Neptune has only been visited by a spacecraft only once and the name of the spacecraft is voyager 2. AND I’M NOT A NERD I HAVE TO DO A REPORT ON IT

  24. Rheyannon

    love neptune

  25. Anon

    Awesome!!

  26. kayla

    i love Neptune its my favorite plant.

  27. kayla

    i also love pluto i want to be gone just like Neptune

  28. whatever

    i have to do a stupid project on neptune. this helped me.

  29. XD

    hahahahaahahh
    awesoeme

  30. jada

    Neptune is cool :)


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