If earth has no atmosphere what will happen to earths temp?
Answers
⚫What If Earth Had No Atmosphere?
⭐Talking about the atmosphere and how human behaviors are messing with it is a common topic on the Internet, and these sorts of stories can end up in front of you through various social media channels, peer discussions or TV. They can pop up practically anywhere, which is actually a very good thing.⭐
⭐However, this post is not about saving the atmosphere; it’s about the very existence of it. What if there was no atmosphere on Earth? What would happen if some gigantic space hand peeled the protective layer off of our planet?⭐
⚫The Atmosphere
⭐The atmosphere, as we know it, is a protective layer of gases that envelop the Earth. It consists of a number of gases, including nitrogen (78%), oxygen (21%), argon (0.93%) and traces of carbon dioxide, hydrogen, helium and other noble gases.⭐
⭐The atmosphere is held in place above the planet (as is true of any other celestial body that has an atmosphere) due to its gravitational force, which keeps it adhered.⭐
⚫Importance of the atmosphere
⭐The benefits of having an atmosphere are too extensive to list. The fact that most of life as we know it depends on it says enough about the atmosphere’s importance to the planet. In addition to being an abundant source of oxygen, i.e. the lifeline of most life-forms on Earth, the atmosphere also acts as an insulating layer that protects us from the intense light and harmful radiation of the sun.⭐
⭐It basically acts as the backbone of almost every biochemical process in one way or another.⭐
⚫Earth without atmosphere
⭐Since so many aspects of the planet are linked to the atmosphere, let’s start with the one that is the most relevant to our selfish selves.⭐
⚫No humans (no aerobic life)
⭐This shouldn’t come as much of a surprise. Since humans absolutely and entirely depend on the oxygen present in the atmosphere, there would be no chance of our survival if it didn’t exist. This is not only true of humans, but also of every creature that depends on oxygen, from the tiniest ants to the biggest blue whales… all would perish. Talking about whales, they would also have one more problem on their hands⭐
⚫No oceans
An artist’s impression of Earth without water (Photo credit : Anton Balazh / Shutterstock)
⭐The atmosphere blocks tons of harmful rays from the Sun and hence shields the planet from scorching heat. In the absence of the atmosphere, however, oceans would simply evaporate as a result of the extreme heat. You shouldn’t expect to find any water, as not having an atmosphere means no oceans, which also means no water cycle!⭐
⚫What will happen to the temperature on Earth?
⭐The moon has no atmosphere, so it basically cooks at 253 degrees Fahrenheit in sunlight and freezes at -243 degrees Fahrenheit in shadow. Similarly, the difference between the temperatures of day and night in an atmosphere-less Earth would also be drastic, ranging up to a few hundred degrees!⭐
✨⭐ Hope it helps ⭐✨
Short answer: It will decrease.
Earth's atmosphere traps heat from the Sun and keeps it near the surface, warming the planet and sustaining life on Earth. The atmosphere lets some of the Sun’s radiation in, but it doesn’t let all of it return. Visible sunlight passes through our transparent atmosphere to warm the land and oceans, and some of this heat is re-radiated in infrared form. The longer infrared rays are less energetic than visible ones and do not slice through the atmosphere as easily as visible light. The warming by heat-trapping gases in the air is popularly known as the “greenhouse effect” whose influence is actually a matter of ‘life and death’.
Water vapor plays a more important role in keeping the Earth warm than the other gases in the atmosphere, contributing to more than 50% of the Earth’s greenhouse warming. The greenhouse effect keeps the average surface temperature of the planet at around 15°C. If this effect was absent, the average surface temperature would drop to below zero - like -20°C; with the result, all water on Earth would freeze, the oceans would turn into ice - and life on earth as we know it, would not exist. In fact, the Earth's temperature would be comparable to that of Mars which has a very thin atmosphere.