Although the six planets - Venus, Mars ... The methane gives Neptune its blue color. Neptune has 14 moons, the largest of which is Triton. Triton is slightly smaller than Earth's moon and has ...

Finally, Neptune, the farthest planet from the Sun, has a striking blue color due to methane in its atmosphere and 14 moons, including Triton, which features active volcanoes. Astrological ...

In a celestial event known as a great alignment the five planets will be discernible with the naked eye, but to see Neptune ...