What are three main factors that determine earths climate?

Answer 1

There are a number of factors which affect the surface temperature of planets. First, there is sunlight which is a source of warmth. Then, there are various types of atmosphere, which retain warmth to varying degrees. Then, there is the radiation of heat into space, by means of infrared radiation, which happens on the side of the planet that faces away from the sun, and cools the planet.

Answer 2

Distance from the Sun (for star systems not our own, distance from the primary star(s)) the closer to a star the more energy reaches the planet.

Atmospheric composition - how much energy gets to the surface and how much is trapped in.

Terrestrial composition; what the solid stuff is made of and how it reacts with stellar/solar energies. Some things reflect light back, others absorb the energy and radiate it back as heat.

Answer 3

The energy received from the Sun, internal temperature and atmosphere.

For Venus the "greenhouse effect" of the atmosphere is very important,

combined with the large input of Sun's energy.

For Mercury Earth and Mars the Sun's energy is easily the most important,

although there is a small natural greenhouse effect on Earth too. The Earth

has an internal heat source, but its effect is very small.

For the outer planets the Sun's energy input is smaller, of course.

Jupiter, Saturn and Neptune have important internal heat sources.

Answer 4

distance from the sun and atmosphere of the planets.

Answer 5

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