Oct 28, 2019
544: Weird Issues: Biosignatures
Astronomy Cast 544: Weird Issues: Biosignatures
by Fraser Cain & Dr. Pamela Gay
Once again, another place where the Universe is going to make this difficult for us. Proving, once and for all that there's alien life on another world. It should be straightforward, look for biosignatures,...
Oct 21, 2019
Got clear skies? Go out tonight and catch the Orionids Meteor shower, a storm of falling stars generated by Halley's comet. Later this week, we'll see aurora like those that will one day be predicted by the ESA Solar Probe. We also have an update on the Mars 2020 rover.
Oct 20, 2019
543: Weird Issues: The Habitable Zone
Astronomy Cast 543: Weird Issues: The Habitable Zone
by Fraser Cain & Dr. Pamela Gay
Our series on Universe weirdness marches on. This week we take a look at the habitable zone, and how things aren’t as simple as we thought.
Oct 14, 2019
542: Weird Issues: The Age of the Universe
Astronomy Cast 542: Weird Issues: The Age of the Universe
by Fraser Cain & Dr. Pamela Gay
Our series on Universe weirdness continues, this time we learn how astronomers are struggling to make sense of the age of the Universe.
Oct 7, 2019
541: Weird Issues: Expansion Rate of the Universe
Astronomy Cast 541: Weird Issues: Expansion Rate of the Universe
by Fraser Cain & Dr. Pamela Gay
Just when the Universe was starting to make sense, the cosmos throws a curveball at us. Astronomers have been trying to accurately measure the expansion rate of the Universe...