The property of a mineral that relates the mass of the mineral to the volume of the mineral is called

One of the brightest comets of the 20th century was comet hyakutake, which passed close to the sun in early 1996. the orbital period of this comet is estimated to be about 30,000 years. find the semi-major axis of this comet’s orbit. compare it to the average sun-pluto distance and to the distance to alpha centauri, the nearest star to the sun, which is 4.3 light-years distant.

The earth is composed of three different chemical layers: core, mantle and crust. the formation of these layers was from a process called

From where does the solar winds generate