Alive and Living

This page contains answers to questions that have to do with life in the Universe. They explore life on Earth and the prospect of life in places other than Earth! Click on a topic to see our "Quickie" questions archive or scroll down for more in-depth answers.

Quickie Alive and Living


Humans(40 questions)
Animals(39 questions)
Plants(15 questions)
Extraterrestrials(46 questions)
Other(97 questions)


In-depth questions and answers

1)Do you think there might be life on other planets?
2)What would life be like if humans lived on Mars?
3)Do different parts of the body demonstrate different degrees of two-point discrimination?
4)What lifeform could live on Jupiter or Mars?
5)What is the climate like in the desert? What kinds of life can you find there? How do they handle the conditions in the desert?


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What are the retrograde motions of planets in the sky?

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How do Astronauts Live in Space?

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How far is the Earth from the Sun, the Moon and all the other planets? How far are all of the planets from the Sun? Do you know of a software that tracks the planets in real-time?

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Is it really true that man never really walked on the Moon?

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How many planets orbit the sun?

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According to Stephen Hawking, any object with an energy which equals Plank's energy has to become a black hole.

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Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part is sponsored in part through grants from federal agencies (NASA and NOAA), and partnerships with affiliated organizations, including the American Geophysical Union, the Howard Hughes Medical Institute, the Earth System Information Partnership, the American Meteorological Society, the National Center for Science Education, and TERC. The American Geophysical Union and the American Geosciences Institute are Windows to the Universe Founding Partners. NESTA welcomes new Institutional Affiliates in support of our ongoing programs, as well as collaborations on new projects. Contact NESTA for more information. NASA ESIP NCSE HHMI AGU AGI AMS NOAA