The Shell of a Dying Star

The sixth day of the 18th annual Space Telescope Advent Calendar features the final act of a star near the end of its life.
Space.com on MSN

Don't miss Jupiter shining close to the waning gibbous moon on Dec. 7

The waning moon shines close to the king of the planets on Dec. 7. Don't miss Jupiter shining close to the waning gibbous ...