The Neptune is the eighth planet from the sun,having a sidereal period of revolution around the sun of 164.8 years.(是太阳的第八颗行星.围绕太阳公转的恒星周期为164.8年) Pluto (冥王星): —— The Pluto used to be the ninth planet in the solar system,but now it is listed as the Dwarf ...
The planet’s mean orbital velocity is 24.2 km/sec, and the period of revolution around the sun (sidereal period) is 1.881 years (687 days). Mars, the sun, and the earth align in a straight line once every 780 days (synodic period). The time elapsing between successive oppositions of ...
volcanic activity and running surface water. The planet has two tiny satellites, Phobos and Deimos. Mean distance from sun: 228 million km; period of revolution around sun: 686.98 days; period of axial rotation: 24.6225 hours; diameter and mass: 53.2 and 10.7 per cent that of earth ...
The Neptune is the eighth planet from the sun,having a sidereal period of revolution around the sun of 164.8 years.(是太阳的第八颗行星.围绕太阳公转的恒星周期为164.8年)Pluto (冥王星):——The Pluto used to be the ninth planet in the solar system,but now it is listed as the Dwarf Planet...
the ancient Roman god of war and agriculture, identified with the Greek god Ares. Astronomy. the planet fourth in order from the sun, having a diameter of 4,222 miles (6,794 km), a mean distance from the sun of 141.6 million miles (227.9 million km), a period of revolution of 686.95...
Mean distance from Sun: 1.524 AU Rotation period: 1.026 solar days Revolution period: 686.98 solar days Obliquity: 25° Orbit (inclination degree): 1.85° Orbit eccentricity: .0.093° Max. surface temperature: 310° K Min. surface temperature: 150° K Visual geometric albedo: 0.15 Highest point...
Because of the rotation period of Mars, the view of the planet changes slightly from night to night. Mars rotates in the same direction as Earth every 24 hours and 37 minutes, just a little longer than the rotation period of Earth. If you observe Mars with a correct view with north up...
Mean distance from Sun: 1.524 AU Rotation period: 1.026 solar days Revolution period: 686.98 solar days Obliquity: 25° Orbit (inclination degree): 1.85° Orbit eccentricity: .0.093° Max. surface temperature: 310° K Min. surface temperature: 150° K Visual geometric albedo: 0.15 Highest point...
4. Astronomically, Jupiter is the fifth planet from the sun. It is the largest and most massive planet in the solar system, with a revolution period around the sun of approximately 11.86 years, an average distance from the sun of 777 million kilometers (483 million miles), a ...
The Neptune is the eighth planet from the sun,having a sidereal period of revolution around the sun of 164.8 years.(是太阳的第八颗行星.围绕太阳公转的恒星周期为164.8年)Pluto (冥王星):——The Pluto used to be the ninth planet in the solar system,but now it is listed as the Dwarf Planet...