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Are some quasars nearly 13 billion light-years from earth?
Yes, there are some quasars that are nearly 13 billion light years from the earth.
Did earth first oceans form?
It was about 4 billion years ago, that the Earths oceans formed
What is the average salinty of the earth's oceans?
parts per billion
Are some lenticular galaxies nearly 13 billion light-years from earth?
Yes, there are some lenticular galaxies that are nearly 13 billion light years from the earth.
What does the salt water cover nearly on three-fourths of the earth?
oceans + + -----
Are some spiral galaxies nearly 13 billion light-years from earth?
Yes, there are some spiral galaxies that are nearly 13 billion light years from Earth (I.e. T2003 1529 in the Ursa Major constellation).
How many liters of water are in the earth's oceans?
One estimate is that there are 1.3 billion cubic kilometers of water on Earth, about 90% to 95% would be seawater in the oceans. This would be equivalent to about 1.2 x 1021 liters (1.2 billion trillion liters).
Why were there no oceans 4 billion years ago?
According to geologist, the oceans had already started to form by 4 billion years ago. Water remainded a gas because Earth was too hot before the oceaan was formed.
What is the region of earth where life exists?
Life exists in the biosphere, which is the part of Earth where living organisms are found. This includes all areas where conditions are suitable for life to thrive, such as the atmosphere, the oceans, and the land.
How much water in on earth?
About 71% of the Earth's surface is covered in water. The total amount is estimated to be around 332.5 million cubic miles (1.386 billion cubic kilometers) of water. It exists in the form of oceans, seas, lakes, rivers, glaciers, and underground water sources.
When did the earth first develop an atmosphere and oceans?
The Earth's atmosphere first developed around 4.5 billion years ago when the planet formed. Oceans began to form around 4 billion years ago as water vapor in the atmosphere condensed and fell as rain, filling the low-lying areas of the planet.
What percent of life is in the Earth?
Roughly 70% of the Earth's surface is covered by water, which is home to a significant amount of life. However, most life on Earth exists in the oceans rather than on land.
