You're about to listen to a BBC podcast and maybe it's when I had a hand in.

I'm Tammy Walker and I produce podcasts for the BBC.

My role is to give new and diverse creators a voice with the opportunity to build a career.

That's the thing I love about podcasts.

You start with just a good idea, but then you have the space to see where it goes.

And doing that at the BBC means we can really run with the best stories

while developing the most unique audio talent.

So if you like what you hear, why not check out the huge range of podcast we've got on BBC Sounds?

Hello and welcome to Crowd Science on the BBC World Service. This is the show that takes

your science questions, anything from inside ourselves to outside our galaxy and turns them

into exciting audio adventures.

I'm Marnie Chesterton and this particular journey starts at a strange time in the lunar calendar.

Tonight as we record at London's Royal Observatory, it's a super blue blood moon.

Astronomer Maric Kakua standing next to me, so can I ask you to tell me what that actually means?

Yeah, well it's a quite rare combination of three different lunar events. The

first one is the blue moon part. It's commonly used these days to refer to a

calendical event when we have two full moons in a single

calendar month.

Blood?

Blood?

Well earlier today and unfortunately not visible from the United Kingdom that we had a total lunar eclipse and this is

when the moon moves into the Earth's shadow and the moon's disk is only illuminated by the

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