Using the radial velocity method, an international team of astronomers has discovered a new extrasolar planet orbiting a ...

Orbiting the Sun at a distance of 4.5 billion kilometres - more than 30 times further out than the Earth - Neptune is a dark ... in 1846 after calculations of Uranus's orbit suggested there was an ...

Neptune, one of the farthest planets from the sun, has the longest orbit, with one year lasting 165 Earth years.

Scientists using a telescope in Hawaii have discovered a never-before-seen dwarf planet lurking within the ring of icy bodies beyond the orbit of Neptune. The small new world -- temporarily named ...

This planet, now officially called GI 410 b, is classified as a sub-Neptune, which means it is larger than Earth but smaller than Neptune. The discovery was made on April 4 using the radial ...

Although Pluto's orbit was more elongated than the other planets' (and even crossed the orbit of Neptune—not the kind of thing you would expect a decent planet to do), it seemed alone in its ...

GI 410 b, the newly discovered planet, falls in the sub-Neptune class and is larger than Earth. Radial velocity was employed to establish the discovery on April 4. This technique, often termed the ...

Neptune, the planet of dreams, mysticism and spirituality, takes approximately 165 years to orbit the sun and make its way through the zodiac, and for the first time since the late 1800s ...

A Year Lasts 165 Earth Years: Since Neptune is so far from the Sun, it takes 165 Earth years to complete one orbit. Shortest Day of Any Giant Planet: Neptune rotates once every 16 hours ...