After decades of planning, NASA is finally (finally!) set to launch the successor to the Hubble. The new Webb telescope will be a paradigm shift for astronomy, exploring places in the cosmos that have been completely invisible to us until now. But first, it has to safely reach a point nearly a million miles away from the Earth.

For more, go to http://vox.com/unexplainable

It’s a great place to sign up for our newsletter, view show transcripts, and read more about the topics on our show.

Also, email us! [email protected]

We read every email.

Support Unexplainable by making a financial contribution to Vox! bit.ly/givepodcasts

Learn more about your ad choices. Visit podcastchoices.com/adchoices