Sentences with phrase «relatively large moon»

He speculates that the presence of our relatively large moon has stabilized the spin of the earth over billions of years, and this has made possible the evolution of life on the earth.

Not exact matches

The large tan splotch just below and to the right of the South Pole is the two - hundred - mile - wide Schrodinger crater, one of the few areas on the moon that shows signs of relatively recent volcanic activity.

Although our own moon is enticingly close, its gravity means that relatively large rockets are needed to get astronauts to and from the surface.

The consensus is that several factors are important: atmospheric composition (the concentrations of carbon dioxide, methane); changes in the Earth's orbit around the Sun known as Milankovitch cycles (and possibly the Sun's orbit around the galaxy); the motion of tectonic plates resulting in changes in the relative location and amount of continental and oceanic crust on the Earth's surface, which could affect wind and ocean currents; variations in solar output; the orbital dynamics of the Earth - Moon system; and the impact of relatively large meteorites, and volcanism including eruptions of supervolcanoes.

Sophisticated computer modeling indicates Mars» two small moons likely formed as the result of a relatively modest - size impactor, not a much larger body as previously theorized.

As a result, Vesta «differentiated» into a relatively dense metallic core (of approximately 136 miles or 220 kilometers across), lighter mantle, and crust, like the rocky inner planets, many large planetary satellite's like the Earth's Moon, and probably most, if not all, of the newly named «dwarf planets» like Ceres.

For a moon, Titan has a relatively large diameter of about 5,100 km (or 3,200 miles).

I am not happy with the JEV theory (although I can't really judge), because even tidal effects on Earth caused by a relatively large and close Moon only have small, superficial effects.