Fraser Cain
Universe Today
Dr. Pamela Gay
CosmoQuest
Discovering comets is one of the fields that amateurs can still make a regular contribution to astronomy. But more and more telescopes are getting found by spacecraft, automated systems and machine learning. This week, we’ll talk about how comets are discovered and how you can get your name on one.
Every year, more and more people are making their way to space. Some private citizens have already gotten their astronaut wings, paying for a trip to space out of their own pocket. What are the ethical implications of this as the costs of spaceflight come down?
The key to surviving in space will be learning how to live off the land. Instead of carrying all your fuel, water, and other resources from Earth, extract them locally at your destination. It’s called In Situ Resource Utilization and if we can figure this out it’ll change everything.
Space is really far away, so when you send a satellite out into the void, that’s pretty much the last you’re going to be able to work on it. And if anything goes wrong, too bad, you’re out a satellite. But a new test has shown that it’s possible to actually visit and fix a satellite in space. Maybe we don’t have to throw them all away after all.
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