Have you ever wanted to be a time traveler? Good news! You’re time traveling right now. Into the future at one second per second. Too long? Don’t want to wait? Good news, Einstein’s got you covered. Today, let’s talk about the weird world of time dilation.
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Last week we talked about balloon-based astronomy. This week we’re going to talk about putting balloons on rockets and making observations mid-flight. Welcome to the world of sounding rockets.
When you think about the world’s observatories, I’m sure you’re imagining huge telescopes perched atop mountain peaks, or space telescopes like Hubble. But you might be surprised to learn that some telescopes are carried high into the atmosphere on board balloons. What can they accomplish?
Last week we talked about how new telescopes and techniques are allowing astronomers to explore the shortest wavelengths of light. This week, we go to the other end of the electromagnetic spectrum, and explore the longer radio waves which are now accessible to astronomers.