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analicia1

In looking for other planets that might have life, astronomers focus especially on finding planets that ?

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are similar to earth, they have to have a certain temperature range that might support water (as compared to ice), my opinion.

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are close enough to look at. I don't remember off hand when the voyager satellite was launched or if NASA can still communicate with it, but I know it hasn't reached Pluto yet.

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Have an atmosphere.

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Voyager 1 is the farthest human made object from Earth. It is now far beyond Pluto orbit (approx 3 times farther). It is still sending back data.
However, it would take several thousand years for it to reach the nearest stars.

Using current technology, astronomers can only guess if the planets orbiting other stars can harbor life (i.e. they have an atmosphere and liquid water). So they focus on finding Earth sized planets orbiting in the habitable zone of the star and this task is at the limits of the current technology.

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Earth is an quot;M class planetquot; meaning it#039;s habitable by humans due to its atmosphere, oceans, forests and a lot more. So the answer to your question is astronomers focus on finding M class planets.

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They look for water,temp,& oxygen like Earth, they should check the Bible it has info of the universe, when Earth was created & made ready to sustain life.

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