1 00:00:17,317 --> 00:00:19,853 DEAN: YOU HAVE ONE MORE WEEK TO MAYBE CATCH ORION. 2 00:00:19,953 --> 00:00:23,723 JAMES: AND YOU CAN LOOK FOR HIS LARGEST STAR BETELGEUSE ONE MORE TIME. 3 00:00:23,823 --> 00:00:28,962 DEAN: IT'S MAY 1ST AT 9:30PM AND YOU CAN JUST BARELY SEE ALL OF ORION - INCLUDING HIS BELT 4 00:00:29,062 --> 00:00:30,864 - ABOVE THE WESTERN HORIZON. 5 00:00:30,964 --> 00:00:36,336 JAMES: AS WE MOVE TIME FORWARD, DAY BY DAY, WELL SEE THAT ORION SETS EARLIER AND EARLIER. 6 00:00:36,436 --> 00:00:38,738 BY THE END OF THIS WEEK, YOU MAY HAVE TROUBLE SEEING HIS BELT. 7 00:00:38,838 --> 00:00:42,075 DEAN: BUT THE LAST MAJOR STAR IN ORION TO SET IS BETELGEUSE. 8 00:00:42,175 --> 00:00:48,281 JAMES: BETELGEUSE IS A GIGANTIC RED VARIABLE STAR ABOUT 640 LIGHT YEARS FROM EARTH, AND 9 00:00:48,381 --> 00:00:51,217 IS ABOUT 1200 TIMES THE DIAMETER OF OUR SUN. 10 00:00:51,317 --> 00:00:53,486 DEAN: IT HAS SUNSPOTS ON IT TOO. 11 00:00:53,586 --> 00:00:55,321 OR SHOULD WE CALL THEM BEETLE-SPOTS? 12 00:00:55,422 --> 00:00:59,692 JAMES: BETELGEUSE IS SO MASSIVE THAT WHEN IT DIES, IT WILL CREATE A BRIGHT SUPERNOVA. 13 00:00:59,793 --> 00:01:02,695 DEAN: IT COULD HAPPEN TOMORROW, OR IT COULD BE DECADES AWAY. 14 00:01:02,796 --> 00:01:03,696 SO YOU BETTER 15 00:01:03,797 --> 00:01:07,797 BOTH: KEEP LOOKING UP!