radiation protection Archives

Space is a hostile environment in so many ways. But one of its worst features is the various kinds of radiation you can find. When astronauts go back beyond the protective environment of the Earth’s magnetosphere, what are the various kinds of radiation they’ll encounter. And is there anything we’ll be able to do about it?

Continue reading “Astronomy Cast Ep. 515: Space Radiation”

Universe Today Podcast

Universe Today podcasts with Fraser Cain

The Guide to Space is a series of space and astronomy poddcasts by Fraser Cain, publisher of Universe Today

Whenever I talk about the search for life in the Universe and its emphasis on water, I get comments that scientists aren’t being creative enough. Why does life rely on water? Couldn’t there be lifeforms which are completely different from life on Earth? Isn’t that the textbook definition of alien?

Astrobiologists have only scratched the surface in their search for life in the Universe, and they’re going after the low-hanging fruit. Since life on Earth can be found wherever there’s water, why not check out the water on other worlds? If that doesn’t pan out, then they’ll expand the search.

But it’s possible there are aliens living right here on Earth among us, in a shadow biosphere, we just haven’t detected them yet.

Thumbnail credit:

http://blogs.esa.int/caves/2019/09/11/a-new-journey-into-earth-for-space-exploration/

Our Book is out!

https://www.amazon.com/Universe-Today-Ultimate-Viewing-Cosmos/dp/1624145442/

Audio Podcast version:

ITunes: https://itunes.apple.com/us/podcast/universe-today-guide-to-space-audio/id794058155?mt=2

RSS: https://www.universetoday.com/audio

Weekly email newsletter:

https://www.universetoday.com/newsletter

Weekly Space Hangout:

https://www.youtube.com/channel/UC0-KklSGlCiJDwOPdR2EUcg/