We used to cover a science song - in fact, we still do - called "Why Does The Sun Shine, " which is from a bunch of science - the question of science songs that came out when we were kids with Tom Glazer - and I don't know if you're familiar with this record.

NPR: Serenading Science In A New Rock Album

There are so far about 1, 000 candidate galaxies, some of which can out-shine our Sun by a factor of 100 trillion.

BBC: Supermassive black holes and hot galaxies in giant haul

We woke to a sun that would shine unabated for the five-day trip.

FORBES: Paradise Lost

With most major economies in East Asia suffering their deepest recessions since World War II, brave is the forecaster willing to say just when the sun will come out -- and how strongly it will shine.

CNN: THE LONG, HARD CLIMB BACK UP

To that end, green fuels require back-up generation that kicks in when the wind dies down or the sun ceases to shine.

FORBES: Shale Gas Crowned: So Why Do They Shun Obama?