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It is generally agreed that the earth's moon was formed when a Mars sized planet grazed the early earth. Is it possible that this planet was slightly bigger and that it not only formed the moon but the left over went on to end up as Mercury?
The terrestrial planetds are believed to gave have formed separately from accretion of matter at different ranges of distance from . Moreover, Mercury is so dense that astronomers are led...
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Why does Earth's atmosphere rotate faster than Earth itself?
Earth is matter and so is the atmosphere above its surface. First law of Newton is applicable to both. The 24-hour day/night spin, that is the naturally induced...
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How does the Earth's core affect Earth's atmosphere?
The degree of tilt and the frequency of a "wobble" in the earth's orientation towards have a significant effect on the amount of solar radiation reaching the planet. Solar radiation...
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Where did the early materials come from when the early earth was formed?
Sometime before 5 billion years ago, a cloud of gas and dust formed in our galaxy. That cloud would. mostly colapse into our Sun between 5 and 4.6 billion years...
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What gasses did the extensive volcanic eruptions add to the atmosphere in the early in the history of Earth?
The principal components of volcanic gases are water vapor (H2O), carbon dioxide (CO2), sulfur either as sulfur dioxide (SO2) (high-temperature volcanic gases) or hydrogen sulfide (H2S) (low-temperature volcanic gases), nitrogen,...
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How did prokaryotes early in Earth’s history alter the environments on Earth?
Simple prokaryotic bacteria were probably the first life form on Earth. Some called cyanobacteria discovered how to extract energy from by photosynthesis. As a result, oxygen started to accumulate in...
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What was the probability that a planet like earth would be created after the Big Bang? What are the chances another planet like earth exists?
Consider that your average galaxy contains between 100 - 300 billion stars. Multiply that by the 50 billion (approximation) galaxies in the universe and simple statistics shows that other earths...
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How did tectonic plates affect the early atmosphere?
In plate tectonics there is three plate movements, converging, diverging and transform plate boundaries. Now for converging plate boundaries, there would most of the time be volcanoes formed. If you...
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Why was the primitive atmosphere of Earth more conducive to the origin of life than the modern atmosphere?
The DNA in particular can not exist in the presence of Oxygen. The name is de Oxi nucleic acid. That means no Oxygen. As DNA is essential to life the...
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What Greek philosopher said that atoms could not be created, destroyed, or created?
Democritus was a more of a natural philosopher than a scientist, and nothing of his wriiting survives; he was certainly not an empirical scientist. He is said to have developed...
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