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Recent Podcast
A Tour of Bending the Bridge Between Two Galaxy Clusters
A Tour of Bending the Bridge Between Two Galaxy Clusters
Several hundred million years ago, two galaxy clusters collided and then passed through each other. This mighty event released a flood of hot gas from each galaxy cluster that formed an unusual bridge between the two objects. (2020-05-11)


Video Podcasts: The Incredible Two-Inch Universe

Reflection Questions

View/Listen
You can use this 4-STEP SCALE MODEL to imagine some of the distances involved in NASA's explorations of the universe.
How likely do you think it is that there is life elsewhere in our galaxy? Intelligent life?

What challenges are there in trying to communicate with any potential life around other stars? In other galaxies?

Some people say they feel insignificant after understanding the scale of the universe; others say it makes them feel that life on Earth is special; still others feel amazement at the power of the human mind. What's your view?

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