1 00:00:20,320 --> 00:00:24,290 DEAN: HEY THERE STAR GAZERS. 2 00:00:24,391 --> 00:00:27,193 I'M DEAN REGAS, ASTRONOMER FOR THE CINCINNATI OBSERVATORY. 3 00:00:27,293 --> 00:00:31,197 JAMES: AND I'M JAMES ALBURY, DIRECTOR OF THE KIKA SILVA PLA PLANETARIUM IN GAINESVILLE, 4 00:00:31,297 --> 00:00:32,432 FLORIDA. 5 00:00:32,532 --> 00:00:35,101 WE'RE HERE TO HELP YOU FIND YOUR WAY AROUND THE SKY. 6 00:00:35,201 --> 00:00:40,073 THIS WEEK WE'RE GOING TO DO A LITTLE STAR HOPPING AND DISCOVER NEW STARS AND CONSTELLATIONS. 7 00:00:40,173 --> 00:00:41,975 OUR JUMPING-OFF POINT WILL BE THE BIG DIPPER. 8 00:00:42,075 --> 00:00:47,047 DEAN: THE BIG DIPPER - THE MOST RECOGNIZABLE STAR PATTERN IN ALL THE NORTHERN SKY - VISIBLE 9 00:00:47,147 --> 00:00:51,084 ALMOST ALL YEAR-ROUND - THIS WILL BE OUR GUIDE TO THE HEAVENS. 10 00:00:51,184 --> 00:00:52,919 FIRST IT'LL POINT US TO THE NORTH STAR 11 00:00:53,019 --> 00:00:55,989 JAMES: THEN SHOW US THE WAY TO THE BRIGHT ORANGE STAR ARCTURUS 12 00:00:56,089 --> 00:00:59,526 DEAN: THEN LEAD US TO THE BRILLIANT BLUE STAR SPICA. 13 00:00:59,626 --> 00:01:01,928 JAMES: AND WE'LL EVEN MEET A PLANET ALONG THE WAY. 14 00:01:02,028 --> 00:01:04,264 DEAN: ALL RIGHT, LET'S HEAD OUT TO THE SKY! 15 00:01:04,364 --> 00:01:10,070 JAMES: OK, WE HAVE OUR SKY SET FOR 10PM FACING NORTHEAST WHERE WE SEE THE BIG DIPPER HIGH 16 00:01:10,170 --> 00:01:11,938 ABOVE THE NORTH STAR. 17 00:01:12,038 --> 00:01:15,975 IF ITS CUP WAS FULL OF WATER IT'D BE POURING RIGHT INTO THE LITTLE DIPPER AND OVERFLOWING 18 00:01:16,076 --> 00:01:16,976 ONTO ME! 19 00:01:17,077 --> 00:01:18,912 DEAN: COOL UMBRELLA! 20 00:01:19,012 --> 00:01:22,782 NOW IF WE SHOOT AN ARROW THROUGH THE TWO STARS ON THE END OF THE BIG DIPPER'S CUP, AND CONTINUE 21 00:01:22,882 --> 00:01:26,019 THAT LINE, IT'LL RUN SMACK DAB INTO THE NORTH STAR. 22 00:01:26,119 --> 00:01:30,957 JAMES: NOW LET'S USE THE BIG DIPPER'S HANDLE TO FIND TWO MORE WONDERFUL STARS. 23 00:01:31,057 --> 00:01:35,061 SIMPLY DRAW AN IMAGINARY LINE THROUGH THE HANDLE OF THE BIG DIPPER AND EXTEND IT OUT 24 00:01:35,161 --> 00:01:39,833 ALONG THE CURVE, OR ARC, AND YOU'LL ARC YOUR WAY TO THE BRIGHT STAR, ARCTURUS. 25 00:01:39,933 --> 00:01:44,003 DEAN: SO IN OTHER WORDS, REPEAT AFTER ME, FOLLOW THE ARC TO ARCTURUS. 26 00:01:44,104 --> 00:01:46,139 JAMES: FOLLOW THE ARC TO ARCTURUS. 27 00:01:46,239 --> 00:01:47,140 HEY THAT'S PRETTY CATCHY. 28 00:01:47,240 --> 00:01:48,141 DEAN: I KNOW RIGHT? 29 00:01:48,241 --> 00:01:50,543 JUST A LITTLE SOMETHING I MADE UP. 30 00:01:50,643 --> 00:01:54,581 ARCTURUS IS THE BRIGHTEST STAR IN THE CONSTELLATION BOOTES THE HERDSMAN. 31 00:01:54,681 --> 00:01:57,350 JAMES: HIS OUTLINE LOOKS MORE LIKE A NARROW KITE 32 00:01:57,450 --> 00:01:59,853 DEAN: OR AN ICE CREAM CONE ON ITS SIDE. 33 00:01:59,953 --> 00:02:00,820 JAMES: LOOKOUT DEAN! 34 00:02:00,920 --> 00:02:02,522 THAT SCOOP IS LOOSE! 35 00:02:02,622 --> 00:02:03,623 DEAN: AAAAAAAAH! 36 00:02:03,723 --> 00:02:06,960 JAMES: AFTER YOU ARC TO ARCTURUS, KEEP GOING. 37 00:02:07,060 --> 00:02:11,631 STRAIGHTEN OUT THE ARC A BIT AND YOU WILL RUN INTO A BRILLIANT BLUE STAR CALLED SPICA. 38 00:02:11,731 --> 00:02:15,668 SPICA IS THE BRIGHTEST STAR IN THE CONSTELLATION VIRGO THE MAIDEN. 39 00:02:15,768 --> 00:02:18,671 SHE'S STANDING UPRIGHT AND COVERS MOST OF THE EASTERN SKY. 40 00:02:18,771 --> 00:02:21,774 DO YOU HAVE A CATCHY SAYING TO FIND SPICA? 41 00:02:21,875 --> 00:02:22,842 DEAN: OF COURSE. 42 00:02:22,942 --> 00:02:24,110 FIRST FOLLOW THE ARC TO ARCTURUS. 43 00:02:24,210 --> 00:02:25,111 JAMES: UH HUH. 44 00:02:25,211 --> 00:02:27,013 DEAN: THEN HIT A SPIKE TO SPICA! 45 00:02:27,113 --> 00:02:29,149 JAMES: WOW, THAT'S A LOT LESS CATCHY 46 00:02:29,249 --> 00:02:32,652 DEAN: YEAH I KNOW, BUT MAYBE IT'S SO BAD THAT YOU'LL REMEMBER IT. 47 00:02:32,752 --> 00:02:36,923 DEAN: LET'S COMPARE ARCTURUS AND SPICA TO OUR STAR - THE SUN. 48 00:02:37,023 --> 00:02:41,060 ARCTURUS IS RELATIVELY CLOSE TO US - ONLY 37 LIGHT YEARS AWAY. 49 00:02:41,161 --> 00:02:45,965 SPICA IS ABOUT 7 TIMES FARTHER - AT AROUND 261 LIGHT YEARS. 50 00:02:46,065 --> 00:02:49,402 THE SUN, ON THE OTHER HAND, IS ONLY 8 LIGHT MINUTES AWAY. 51 00:02:49,502 --> 00:02:52,839 JAMES: NOW LET'S SIZE THESE THREE STARS UP. 52 00:02:52,939 --> 00:02:56,809 THE SUN IS ABOUT 865,000 MILES IN DIAMETER. 53 00:02:56,910 --> 00:03:01,080 THAT'S LARGE ENOUGH FOR 109 EARTHS TO STRETCH END TO END ACROSS ITS WIDTH. 54 00:03:01,181 --> 00:03:06,519 DEAN: BUT THAT'S NOTHING COMPARED TO SPICA WHICH IS OVER 7 TIMES WIDER THAN OUR SUN, 55 00:03:06,619 --> 00:03:09,656 AND ARCTURUS WHICH IS OVER 25 TIMES WIDER. 56 00:03:09,756 --> 00:03:15,828 JAMES: THIS ARC-TO-ARCTURUS AND SPIKE-TO-SPICA TRICK WORKS EVERY SPRING, BUT THIS YEAR WE 57 00:03:15,929 --> 00:03:17,530 HAVE SOMETHING EXTRA. 58 00:03:17,630 --> 00:03:21,467 THERES ALSO A REALLY, REALLY BRIGHT LIGHT IN THE MIX THAT SHOULD DISTRACT YOU. 59 00:03:21,568 --> 00:03:24,971 DEAN: IT'S WAY BRIGHTER THAN SPICA AND IS ACTUALLY A PLANET! 60 00:03:25,071 --> 00:03:26,339 BUT WHICH ONE IS IT? 61 00:03:26,439 --> 00:03:28,575 LET'S FLY UP THERE TO GET A CLOSER LOOK. 62 00:03:28,675 --> 00:03:29,576 JAMES: WOW! 63 00:03:29,676 --> 00:03:32,545 THAT IS ONE BRIGHT STAR - I MEAN PLANET. 64 00:03:32,645 --> 00:03:36,916 IT SHOULD SHINE WITH A STEADY, CREAM-COLORED GLOW JUST ABOVE BLUE SPICA. 65 00:03:37,016 --> 00:03:41,821 DEAN: WHEN WE ZOOM IN ON OUR MYSTERY PLANET WE'LL SEE THAT IT IS JUPITER, LARGEST PLANET 66 00:03:41,921 --> 00:03:43,623 IN THE SOLAR SYSTEM. 67 00:03:43,723 --> 00:03:47,627 JAMES: THROUGH A BACKYARD TELESCOPE WE CAN SEE ITS FOUR MOONS, STRIPES ON THE PLANET, 68 00:03:47,727 --> 00:03:49,929 AND ON RARE OCCASIONS, THE GREAT RED SPOT. 69 00:03:50,029 --> 00:03:54,534 DEAN: ASTRONOMERS HAVE BEEN WATCHING THE GREAT RED SPOT AND HAVE SEEN SOME CHANGES RECENTLY. 70 00:03:54,634 --> 00:03:58,571 IT USED TO BE A GIANT OVAL-SHAPED STORM THE SIZE OF THREE EARTHS. 71 00:03:58,671 --> 00:03:59,539 BUT NOW 72 00:03:59,639 --> 00:04:00,540 OH NO! 73 00:04:00,640 --> 00:04:01,641 ITS SHRINKING! 74 00:04:01,741 --> 00:04:04,010 JAMES: DEAN REGAS EVERYBODY. 75 00:04:04,110 --> 00:04:06,012 ACTING A LINE FROM THE MOVIE 2010. 76 00:04:06,112 --> 00:04:07,714 ANYWAY, IT'S SHRINKING FAST! 77 00:04:07,814 --> 00:04:11,251 IF THIS KEEPS UP, THE GREAT RED SPOT COULD FADE AWAY. 78 00:04:11,351 --> 00:04:14,721 SO BE SURE TO GO SEE IT THIS YEAR - JUST IN CASE. 79 00:04:14,821 --> 00:04:18,758 JAMES: SO THIS SPRING GET OUTSIDE AND LET THE BIG DIPPER BE YOUR GUIDE. 80 00:04:18,858 --> 00:04:22,595 DEAN: THE TWO STARS ON THE END OF THE SPOON WILL TAKE YOU TO THE NORTH STAR. 81 00:04:22,695 --> 00:04:26,032 JAMES: AND THE CURVED STARS ON THE HANDLE WILL LET YOU ARC TO ARCTURUS 82 00:04:26,132 --> 00:04:27,533 DEAN: HIT A SPIKE TO SPICA! 83 00:04:27,634 --> 00:04:29,269 JAMES: AND THEN JET UP TO JUPITER! 84 00:04:29,369 --> 00:04:30,270 DEAN: NICE! 85 00:04:30,370 --> 00:04:34,370 BOTH: KEEP LOOKING UP!