Could alien astronomers have spotted Earth?

By: Lisa Kaltenegger,  CNN Opinion
Wed, 06/23/2021

In this CNN Opinion article, Prof. Lisa Kaltenegger addresses the questions "Where might there be life beyond Earth? And what signs should we be looking for that would help us find it?", and talks about new technology on the horizon that will seek answers to these questions.

Read the CNN Opinion article here.


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