Pale Blue Stitch is a creative knitting project for a stunning and original scarf. It’s based the idea of a cosmic calendar, popularized by Carl Sagan. In this free pattern, we’ve translated the cosmic calendar into a linear timeline that asks you to ponder the vast expanse of space and time as you knit a darkly beautiful 5½-foot scarf.

Thin stripes in many vibrant colors mark significant moments in the history of the universe and life on Earth. Each and every stitch represents 400,000 years, and you won’t mark the presence of human beings until the last few stitches!

Pale Blue Stitch Yarn Kit

The universe is a mostly cold and dark place, interrupted by fleeting pockets of brilliant light. Stitch your way from the Big Bang to this very moment, while you ponder the many wonders of life on our little blue planet. Then proudly wrap yourself in the folds of time and let the story of our cosmos keep you warm.


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The Pale Blue Stitch yarn kit includes everything you need to knit a stunning 5½-foot lightweight scarf that records the history of just about everything!

  • Fifteen (15) different colors of a lovely silk/merino blend.
  • Each color represents a milestone of life on Earth. It would cost $150 or more to assemble this selection on your own.
  • Black: 100 grams / 785 yards (718m) for the vast expanse of time and space.
  • Dark blue for the “BIG BANG.”
  • Just the right amount of 13 other colors for key moments in the history of life.
  • Blend: 51% silk / 49% merino wool
  • Gauge: 28-32 sts = 4″ (10cm) – US Size 1-3
  • Makes a stunning 5½-foot scarf, 6½” wide
  • Kit includes Pale Blue Stitch pattern printed on card stock and an official patch to sew into your finished scarf.