Physics

Physics, 02.09.2019 07:20, leannehounschell

Ais the collection of matter, in the process of condensation, from which a planet is formed. meteor protoplanet comet solar nebula

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Chemistry, 22.06.2019 15:30, vivianfling

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium

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Physics, 05.07.2019 01:20, sassy11111515

If we assume that the solar nebula (the prot oplanetary disk that formed our solar system) is optically thin and only heated via solar radiation, then can make some as sumptions to calculate the temperature of the solar nebula as a function of distance from the sun. in order for the nebula to be in thermal equilibrium, the power ab- sorbed, based on distance from the sun and solar luminosity) must be equal to the power the nebula radiates outward, which is in turn related to the temperature of the solar nebula at that point. this derivation can be applied to other planetary systems using the fact that luminosity scales with m4. this gives us m. /2) ( tequi = 208 k( 1 au mo the frost line is then the distance at which water begins to freeze. calculate this distance for each of the stars below o-type star with a mass of m. =20m b. an a-type star with a mass of m. 2m k-type star with a mass of m, 0.8m d. an m-type star with a mass of m, 0.08mo e. what do these results mean for exoplanet demographics? what do these results tell us about planet formation?

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Physics, 23.08.2019 09:30, reginaldlegette

1. can someone me with this? : ) which object is made of frozen gas, ice, and dust that orbits in the outermost reaches of the solar system? 1) planet2) moon3) kuiper belt object 4) meteor2. which explanation of the solar system best fits the observations of the planets and how they orbit the sun? 1) a comet hit the sun and sent off fragments that became the planets.2) the gravity of a large, massive star passing the sun ripped off blobs of material from it that formed the planets.3) the planets formed at the center of a collapsing spinning cloud of gas and dust.4) the sun and planets formed from a collapsing spinning cloud of gas and dust.

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Physics, 21.10.2019 21:10, vanessacasillas452

Meteoroids are small objects in space, usually made of rock or metal. these bodies often get close to a planet and fall through its atmosphere. a burning streak of light, called a ,{ asteroid, comet, meteor, meteoroid } is visible as it falls through the sky. sometimes the object does not burn up completely and a part of it survives the fall to the planet’s surface. these rocky bodies, called { asteroid, comet, meteor, meteoroid } , are studied by scientists to gain a better understanding of our solar system.

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