Cosmic Riddles from the Sky

What is the color of the universe's whisper?
When does a star forget its shine?
Where do meteor dreams fade?
"In 2189, the clouds were a shade of blue we'd never seen before. I asked the child what color it was. She replied in silence, as if she had time's palette at her command."
"Once, I stumbled upon a market in Mars' ancient sands. They sold time as a liquid. I didn't buy any, but I tasted a little, and it was golden."
"In the year 1023, the night spoke of the day. I chuckled, but the shadows smiled back without teeth."