Earth

As the Moon's gravity pulls on Earth, it produces tidal forces that make the oceans bulge and cause Earth's rotation to lose momentum. Slowing Earth's rotation ...

The Moon is moving away from Earth at about 1.49 inches (3.78 centimeters) per year. At what rate is the Moon moving away from Earth? The Sun-Earth tidal tug-of-war would eventually reverse the Earth-Moon process, bringing the Moon steadily closer to Earth until our planet’s gravity tore it apart.

Terrestrial planets are made of rock and silicate around a metallic core. Earth is the largest terrestrial planet in our solar system. A terrestrial planet is a ...

Outside the solar system, the largest terrestrial planet discovered so far is called TOI-849b, discovered in 2020 by NASA’s space telescope TESS. - Theoretically, the gravitational forces of the Jovian planets could also lead them to destroy their own moons, as well as comets and asteroids passing by. One of the most accepted hypothesis to explain this is that when they formed, these planets accumulated most of their mass from gas in the surrounding solar nebula. Terrestrial planets tend to be smaller in comparison. In contrast, planets with an icy surface of volatiles such as water, ammonia, and methane are classified as ice planets or icy planets. Terrestrial planets are made of rock, silicate, metals, water, and carbon. There are four gas giants in our solar system — Jupiter, Saturn, Uranus, and Neptune. Icy planets are mostly made up of volatiles such as (frozen) water, ammonia, nitrogen, carbon dioxide, and methane. The planets closest to the star presumably contain water vapor, while the planets farthest away are most likely icy. In our solar system, the four inner planets are all categorized as terrestrial. Outside of the Solar System, Kepler-10b was the first confirmed terrestrial planet discovered by the Kepler Space Telescope. However, only three of them are located in the habitable zone, where liquid water is most likely to exist.

Humans are causing alarming changes to the planet. Collectively, we are destroying ecosystems, polluting the ocean and altering our climate.

If you use music that we don't own then we sadly won't be able to share your videos! When the day comes, make sure to let the world know about your event. Drop us an email at [email protected] and one of the team will be in touch to help you craft your event. Planning an event can be daunting, so here are our top tips on how to embark on your Call to Earth Day preparations. It could focus on reducing plastic pollution, tackling overfishing, or a different ocean issue that is close to your heart. On November 3, 2022, CNN's second annual Call to Earth Day, Living Oceans: Turning The Tide, will celebrate these people while inspiring positive change.

A research team with lead author Helena Osterholz of the Leibniz Institute for Baltic Sea Research (IOW) reports in the latest issue of the journal Nature ...

This dominant supply of relatively hard to digest organic matter in turn triggered the selective formation of a core microbiome. In the deep biosphere below Sweden, we were able to show that a multi-method approach yields new insights. Their hypothesis: The [microbial communities](https://phys.org/tags/microbial+communities/) in the deep fractures of the continent are fed from the Earth's surface—by the DOM. Their results show that in the uppermost layers of the bedrock most of the labile matter is converted. The remaining refractory DOM leads to the selection of a core microbiome that can feed on this hard-to-digest food. A research team with lead author Helena Osterholz of the Leibniz Institute for Baltic Sea Research (IOW) reports in the latest issue of the journal Nature Communications on possible pathways by which microbial communities in the nutrient-poor "deep biosphere" can ensure survival.

Solar radiation modification -- or solar geoengineering, as it is sometimes called -- is a potential climate change mitigation strategy that involves injecting ...

If we want to be able to provide future decision-makers with the best possible information, we need to compare the risks of using this technology with the risks of not using it." These scenarios assume deployment might start in 2035, and the effects of that choice are evaluated by comparing with a start date a decade later. We might be past the point of easy solutions. "We face difficult decisions in the coming decades on whether or not to complement other climate-change mitigation strategies with methods for reflecting sunlight." There would also be significant challenges regarding how the world would make decisions surrounding deployment. In conjunction with other strategies, like cutting greenhouse gas emissions, this could help keep the planet's temperature from rising too high.