Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected].
Why do astronomers look for signs of life on other planets based on how life is on Earth? Couldn’t there be totally different kinds of life on other planets? – Henry, age 13, Somerville, Massachusetts
Have you ever played hide-and-seek in a new place? It’s much harder than playing at home. You only know the obvious hiding spots: under the bed, in the closet, behind the couch. The trick is trying to think of hiding spots you can’t even imagine. How do you search in places you never thought could be hiding spots?
That is kind of what scientists like me do when we look for alien life; we’re trying to think of new ways to look for life. In the meantime, we’re looking for life by looking for life like us because that’s what we can imagine.
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