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 April 14th, 2010 at 8:23 pm

    ahahaha

  2. tiffany April 16th, 2010 at 9:35 am

    neptune is a cool planet

  3. kairi April 16th, 2010 at 9:46 am

    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 April 19th, 2010 at 6:01 pm

    hi….

  5. lalapala April 19th, 2010 at 6:02 pm

    hiii whats your name .

  6. ok ugly April 19th, 2010 at 6:04 pm

    yeah i said it

  7. lalapala April 19th, 2010 at 6:05 pm

    no one likes you .

  8. alissa April 20th, 2010 at 6:22 pm

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

  9. alissa April 20th, 2010 at 6:26 pm

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

  10. Chloe May 5th, 2010 at 11:22 pm

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

  11. Chloe May 5th, 2010 at 11:23 pm

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

  12. Ella May 5th, 2010 at 11:24 pm

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

  13. Chloe May 5th, 2010 at 11:26 pm

    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 May 6th, 2010 at 5:45 pm

    iLoveeeeYouuuu.(:

  15. hope May 6th, 2010 at 9:09 pm

    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 May 9th, 2010 at 6:26 pm

    lol this is goooooooooooooood neptune is truley a cool planet

  17. lol May 9th, 2010 at 6:27 pm

    lol dat is a coooooooool planet

  18. zina May 10th, 2010 at 1:46 am

    Neptune :D

  19. i hate u riely u b word May 10th, 2010 at 9:30 am

    wow neptune is awwwwsome like ya also me love upaul

  20. Emerald1020 May 11th, 2010 at 2:02 am

    i love this website!!!

  21. Emerald1020 May 11th, 2010 at 2:03 am

    this is for my report

  22. ariensy May 11th, 2010 at 10:06 pm

    i hav 2 do a project of the planet

  23. hickup dude May 12th, 2010 at 4:16 am

    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 May 12th, 2010 at 4:05 pm

    love neptune

  25. Anon May 14th, 2010 at 9:33 am

    Awesome!!

  26. kayla May 14th, 2010 at 8:06 pm

    i love Neptune its my favorite plant.

  27. kayla May 14th, 2010 at 8:07 pm

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

  28. whatever May 18th, 2010 at 3:54 pm

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

  29. XD May 20th, 2010 at 5:03 pm

    hahahahaahahh
    awesoeme

  30. jada May 24th, 2010 at 1:49 pm

    Neptune is cool :)


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