This year, there will be a "blue moon" for Halloween. So for today's show, we're asking: What IS a blue moon? Is the moon ever blue? And are they as rare as the phrase "once in a blue moon" implies?For additional info and fun links, check out the episode page).Follow Maddie and Rebecca on Twitter for more science nuggets. Maddie's @maddie_sofia) and Rebecca's @rebeccalramirez). Email the show your celestial musings and inquiries. We're at [email protected]).Learn more about sponsor message choices: podcastchoices.com/adchoices)NPR Privacy Policy)
