This episode of Astronomy Cast is proudly sponsored by Barkbox.

For a free extra month of Barkbox, visit barkbox.com slash astro.

When you subscribe to a six or 12 month plan, you'll get a free extra month.

Astronomy Cast Episode 426, confirmation bias.

Welcome to Astronomy Cast, or weekly facts based journey through the cosmos.

We help you understand not only what we know, but how we know what we know.

My name is Fraser K. Now I'm the publisher of university and with me is Dr. Pamela Gay,

the director of Cosmic Quest. Hey Pam, how you doing?

I'm doing well. How are you doing Fraser?

Doing great. I just want to remind people that if they're listening to the show via

podcasting tools such as iTunes or Stitcher or SoundCloud or whatever,

could you take a second and give us some kind of rating, some kind of positive rating on the

pod catching application of your choice? Helps more people find out our show and we really appreciate

that. So, five stars. This episode of Astronomy Cast is sponsored by Barkbox.

And I cannot tell you how happy I am that we finally got them as a sponsor because I've been

seeing them sponsoring other shows and I love Barkbox. I have a 10-month-old Australian Shepherd

and I got Barkbox because I had a puppy that would play with anything and I wanted things to play

with. And each month, Barkbox comes straight to my door with a selection of new toys with a

selection of new treats. And so far my dogs loved all of it, but with Barkbox, I know that if

he doesn't love it, I can send it back. Or if he's allergic to it, I can send it back.

So far that hasn't been an issue and what's been really cool is each month, we get new themed

toys and with me at least I'm like, oh, new box and I take all the old toys and I throw them

...