“But what happened to our Mummy?” cried the littlest one.
“Huh, she went spinning off towards brighter things; having flipped Aunty Eartha out the way, she headed on after Aunty Vee.
“And then, Daddy…?”
“She went spiralling, straight into the Sun.” Mars stopped to pat his girls on the head. “And that, Phobos and Deimos is how you were born.”