Why does Venus have the highest surface temperature of all the planets?

Answer 1

Venus is so hot because of a number of reasons. It is closer to the Sun than Earth but that is not the only reason.

Venus has an atmosphere that is almost entirely (96.5%) carbon dioxide (a greenhouse gas), which blocks the radiation of solar heat back into space. Much more energy from the Sun is absorbed by its atmosphere than on Earth. The result is that the planetwide temperature is about 460°C (860° F) even at night.

The water on Venus has mostly been broken down, and the hydrogen lost to space (the planet has no protective magnetic field). This means there is no liquid water to ameliorate the heat, and a much denser atmosphere.

Answer 2

Venus has the highest temperature (temp.) because all the different gases and clouds trap any light that go into Venus' atmosphere.

Venus' thick atmosphere of carbon dioxide or CO2 gas causes what we call the "greenhouse effect".

Energy from the Sun is radiated off the planet's surface at longer wavelengths than the incoming radiation. This radiation is to some extent prevented from going back into space by the atmosphere.

This heat retaining atmosphere makes the surface on Venus hotter than Mercury, which is closer to the Sun, but which has no atmosphere.

Venus has no ocean. Venus is covered by thick, rapidly spinning clouds that trap surface heat, creating a scorched greenhouse-like world with temperatures hot enough to melt lead and pressure so intense that standing on Venus would feel like the pressure felt 900 meters deep in Earth's oceans. These clouds reflect sunlight in addition to trapping heat. Because Venus reflects so much sunlight, it is usually the brightest planet in the night sky.

Answer 3

It has the highest temperature because it is the closest planet to the sun, and so it receives more heat than the other planets because the further away you are from a heat source, the less the heat will affect you. Think of standing right next to a fire and then think of being on the other side of the room.

Answer 4

WHY IS VENUS SO HOT?

Venus' atmosphere represents a runaway greenhouse effect. 96% of the composition of the atmosphere is carbon dioxide, 3.5% is nitrogen. The remaining is sulfuric acid, hydrochloric acid, and hydrofluoric acid. The thick clouds that cover the surface of Venus are probably composed of sulfuric acid and sulfur crystals.

Spacecraft that have reached the surface have found temperatures of 470C (878F). These harsh conditions are mostly due to Venus being 30% closer to the Sun. Venus receives twice as much solar heating however. This apparently never allowed water to condense and therefore to form oceans. Without oceans there was no effective way to absorb carbon dioxide.

Answer 5

Venus' atmosphere consists of very dense carbon dioxide and sulphuric acid clouds, both of which are highly reflective; Venus reflects over 60% of visible light.

Answer 6

Venus has a very thick atmosphere of sulfurous gases that let the heat in from the Sun, but do not let that heat escape nearly as easily.

Answer 7

Because it's much closer to the sun than the Earth is. Additionally, its rotation is much slower than the Earth - meaning that more of the Sun's energy strikes the planet's surface

Answer 8

because its closer to the sun