WEBVTT 00:20.687 --> 00:24.791 align:left position:12.5%,start line:89% size:77.5% DEAN: WELCOME TO STAR GAZERS. 00:24.891 --> 00:27.660 align:left position:72.5%,start line:83% size:17.5% I'M DEAN REGAS, ASTRONOMER FROM THE CINCINNATI OBSERVATORY. 00:27.761 --> 00:31.564 align:left position:75%,start line:83% size:15% JAMES: AND I'M JAMES ALBURY, DIRECTOR OF THE KIKA SILVA PLA PLANETARIUM IN GAINESVILLE 00:31.664 --> 00:33.433 align:left position:40%,start line:89% size:50% FLORIDA. 00:33.533 --> 00:36.336 align:left position:77.5%,start line:83% size:12.5% AUTUMN IS FINALLY HERE AND THERE'S A VERY SPECIAL CONSTELLATION THATS GOING TO BE MAKING 00:36.436 --> 00:39.305 align:left position:77.5%,start line:83% size:12.5% ITS REAPPEARANCE IN THE EARLY EVENING SKY IN A FEW WEEKS. 00:39.406 --> 00:41.141 align:left position:17.5%,start line:89% size:72.5% DEAN: THAT'S RIGHT, JAMES! 00:41.241 --> 00:45.745 align:left position:77.5%,start line:83% size:12.5% PERSEUS THE HERO IS BACK, AND NOT ONLY IS HE ASSOCIATED WITH A GREAT STORY IN THE SKY, 00:45.845 --> 00:48.615 align:left position:77.5%,start line:83% size:12.5% BUT HE ALSO HAS SOME INTERESTING CELESTIAL COMPANY. 00:48.715 --> 00:50.450 align:left position:87.5%,start line:89% size:2.5% JAMES: WHAT ARE WE TALKING ABOUT? 00:50.550 --> 00:51.851 align:left position:30%,start line:89% size:60% LET'S SHOW YOU! 00:51.951 --> 00:55.822 align:left position:70%,start line:83% size:20% DEAN: OK, WE'VE GOT OUR SKIES SET UP FOR OCTOBER 1ST AT 11 P.M. 00:55.922 --> 00:57.724 align:left position:22.5%,start line:89% size:67.5% FACING EAST-NORTHEAST. 00:57.824 --> 01:02.062 align:left position:75%,start line:83% size:15% IF YOU LOOK NEAR THE EASTERN HORIZON, YOU'LL SEE WHAT LOOKS LIKE A TINY LITTLE DIPPER-SHAPED 01:02.162 --> 01:05.131 align:left position:72.5%,start line:89% size:17.5% CLUSTER OF STARS, THE BEAUTIFUL SEVEN SISTERS. 01:05.231 --> 01:10.003 align:left position:77.5%,start line:83% size:12.5% NOW, MOST PEOPLE CAN SEE ONLY 6 STARS HERE WITH THE NAKED EYE, BUT IF YOU HAVE REALLY 01:10.103 --> 01:16.242 align:left position:70%,start line:83% size:20% GOOD EYESIGHT (OR ARE WEARING CORRECTIVE LENSES LIKE FOUR-EYES OVER THERE) YOU MAY SEE SEVEN. 01:16.342 --> 01:19.846 align:left position:75%,start line:83% size:15% JAMES: AND WITH A PAIR OF BINOCULARS YOU CAN SEE SEVERAL DOZEN. 01:19.946 --> 01:25.385 align:left position:75%,start line:83% size:15% IN REALITY HOWEVER, THERE ARE OVER 250 STARS HERE, ALL MUCH LARGER THAN OUR OWN SUN, AND 01:25.485 --> 01:27.687 align:left position:17.5%,start line:89% size:72.5% BURNING MUCH, MUCH HOTTER. 01:27.787 --> 01:32.092 align:left position:72.5%,start line:83% size:17.5% COSMICALLY SPEAKING, THEY'RE NOT VERY DISTANT, ONLY 400 LIGHT YEARS AWAY WHICH MEANS THAT 01:32.192 --> 01:38.031 align:left position:77.5%,start line:83% size:12.5% WE SEE THE PLEIADES NOT AS THEY EXIST NOW, BUT AS THEY EXISTED 400 YEARS AGO, AT ABOUT 01:38.131 --> 01:41.768 align:left position:77.5%,start line:83% size:12.5% THE SAME TIME GALILEO TRAINED A TELESCOPE ON THEM AND DISCOVERED THEM TO BE A FAMILY 01:41.868 --> 01:43.703 align:left position:27.5%,start line:89% size:62.5% OF DOZENS OF SUNS. 01:43.803 --> 01:48.508 align:left position:72.5%,start line:83% size:17.5% DEAN: NEARBY WE HAVE THE DOUBLE CLUSTER, WHICH OFFICIALLY BELONGS TO THE CONSTELLATION PERSEUS, 01:48.608 --> 01:52.912 align:left position:75%,start line:83% size:15% FIRST LOOK UP AND TO THE RIGHT OF THE NORTH STAR WHERE YOU'LL SEE THE 5 STARS THAT TRACE 01:53.012 --> 01:56.883 align:left position:72.5%,start line:83% size:17.5% OUT THE 'M'-SHAPED CONSTELLATION OF CASSIOPEIA THE QUEEN. 01:56.983 --> 02:03.223 align:left position:75%,start line:83% size:15% THEN JUST TO THE RIGHT OF CASSIOPEIA YOU'LL SEE TWO FAINT, FUZZY, Q-TIP LIKE OBJECTS AND 02:03.323 --> 02:07.560 align:left position:75%,start line:83% size:15% IF YOU ARE FAR AWAY FROM CITY LIGHTS, YOU'LL NOTICE THAT THEY ARE EMBEDDED IN THE RIVER 02:07.660 --> 02:10.029 align:left position:10%,start line:89% size:80% OF LIGHT WE CALL THE MILKY WAY. 02:10.130 --> 02:15.335 align:left position:75%,start line:83% size:15% JAMES: THESE TWO DIM FUZZY BLOBS ARE CALLED THE DOUBLE CLUSTER OF PERSEUS. 02:15.435 --> 02:19.806 align:left position:70%,start line:83% size:20% EACH HAS ABOUT 100 MORE STARS THAN THE PLEIADES, THE REASON THEY DON'T PRESENT AS DRAMATIC 02:19.906 --> 02:23.776 align:left position:72.5%,start line:83% size:17.5% AN APPEARANCE AS THE PLEIADES IS BECAUSE THEY ARE A WHOPPING SEVEN THOUSAND LIGHT YEARS 02:23.877 --> 02:25.612 align:left position:42.5%,start line:89% size:47.5% AWAY. 02:25.712 --> 02:29.249 align:left position:77.5%,start line:83% size:12.5% MUCH FURTHER AWAY THAN THE PLEIADES, WHICH MEANS WE SEE THEM NOT AS THEY EXIST NOW, BUT 02:29.349 --> 02:31.751 align:left position:77.5%,start line:89% size:12.5% AS THEY EXISTED SEVEN THOUSAND YEARS AGO. 02:31.851 --> 02:37.023 align:left position:75%,start line:83% size:15% DEAN: HOWEVER, LIKE THE PLEIADES, THE DOUBLE CLUSTER ALSO CONSISTS OF SUPER-HOT BLUE-WHITE 02:37.123 --> 02:42.896 align:left position:77.5%,start line:83% size:12.5% STARS AND THROUGH A PAIR OF BINOCULARS YOU MAY BE ABLE TO DETECT A FEW MUCH COOLER RED 02:42.996 --> 02:44.797 align:left position:42.5%,start line:89% size:47.5% ONES. 02:44.898 --> 02:47.500 align:left position:72.5%,start line:83% size:17.5% JAMES: AND IMAGINE, IF YOU CAN, WHAT THE TWIN CLUSTERS OF PERSEUS WOULD LOOK LIKE IF THEY 02:47.600 --> 02:52.105 align:left position:77.5%,start line:83% size:12.5% COULD BE MAGICALLY POSITIONED IN OUR SKIES AS CLOSE AS THE SEVEN SISTERS ARE. 02:52.205 --> 02:54.007 align:left position:87.5%,start line:89% size:2.5% THEY'D BE A DAZZLING SIGHT TO SEE! 02:54.107 --> 02:59.412 align:left position:75%,start line:83% size:15% DEAN: SPEAKING OF DAZZLING STARS, THERE ARE TWO IN PERSEUS THAT WE WANT YOU TO CHECK OUT. 02:59.512 --> 03:00.613 align:left position:37.5%,start line:89% size:52.5% LET'S GO! 03:00.713 --> 03:03.550 align:left position:77.5%,start line:83% size:12.5% JAMES: OK, WE STILL HAVE OUR SKIES SET TO 11 P.M. 03:03.650 --> 03:09.355 align:left position:62.5%,start line:83% size:27.5% ON OCTOBER 1ST AND AT THE CENTER OF THE CONSTELLATION PERSEUS, YOU'LL SEE A STAR NAMED MIRFAK. 03:09.455 --> 03:11.457 align:left position:15%,start line:89% size:75% MIRFAK IS ARABIC FOR ELBOW. 03:11.558 --> 03:15.128 align:left position:77.5%,start line:83% size:12.5% GERMAN ASTRONOMER JOHANN BAYER NAMED THIS STAR ALPHA PERSEI. 03:15.228 --> 03:18.231 align:left position:77.5%,start line:83% size:12.5% ITS A SUPERGIANT STAR 590 LIGHT YEARS FROM EARTH. 03:18.331 --> 03:22.936 align:left position:75%,start line:83% size:15% DEAN: TO THE RIGHT OF MIRFAK WE SEE PERSEUS HOLDING SOMETHING IN HIS OUTSTRETCHED ARM. 03:23.036 --> 03:25.972 align:left position:70%,start line:89% size:20% TO THE ANCIENT GREEKS ITS THE STAR ALGOL A.K.A. 03:26.072 --> 03:28.274 align:left position:17.5%,start line:89% size:72.5% THE WINKING EYE OF MEDUSA. 03:28.374 --> 03:30.610 align:left position:82.5%,start line:89% size:7.5% SHE'S THE GORGON WITH SNAKES FOR HAIR. 03:30.710 --> 03:35.949 align:left position:65%,start line:83% size:25% JAMES: BUT OTHER CULTURES HAD SOME VERY FRIGHTENING NAMES FOR THIS STAR, LIKE: THE SPECTRES HEAD, 03:36.049 --> 03:41.688 align:left position:77.5%,start line:83% size:12.5% GHOSTS HEAD, SATANS HEAD, THE DOUBLE EYE, AND DEAN'S PERSONAL FAVORITE, PILED UP CORPSES! 03:41.788 --> 03:43.523 align:left position:22.5%,start line:89% size:67.5% WHY SUCH SCARY NAMES? 03:43.623 --> 03:47.927 align:left position:75%,start line:83% size:15% DEAN: WELL, ALGOL IS NO ORDINARY STAR - IT'S A SPECIAL TYPE OF STAR CALLED AN ECLIPSING 03:48.027 --> 03:49.128 align:left position:37.5%,start line:89% size:52.5% VARIABLE. 03:49.229 --> 03:51.297 align:left position:77.5%,start line:83% size:12.5% ALGOL IS REALLY TWO STARS THAT ORBIT EACH OTHER. 03:51.397 --> 03:56.569 align:left position:72.5%,start line:83% size:17.5% WHEN THE BIGGER, DIMMER STAR BLOCKS THE LIGHT OF THE SMALLER BRIGHTER STAR, ALGOL DIMS LIKE 03:56.669 --> 03:59.939 align:left position:17.5%,start line:89% size:72.5% CLOCKWORK EVERY 2.87 DAYS. 04:00.039 --> 04:04.844 align:left position:72.5%,start line:83% size:17.5% JAMES: PERSEUS IS USING MEDUSA'S HEAD TO SAVE PRINCESS ANDROMEDA FROM A BRINY BEHEMOTH- 04:04.944 --> 04:06.879 align:left position:20%,start line:89% size:70% THE SEA MONSTER, CETUS. 04:06.980 --> 04:10.350 align:left position:75%,start line:83% size:15% LOOK FARTHER TO THE SOUTHEAST, AND MAYBE YOU CAN MAKE OUT THE SEA MONSTER. 04:10.450 --> 04:13.353 align:left position:75%,start line:83% size:15% DEAN: HIS OUTLINE LOOKS MORE LIKE A RECLINER CHAIR. 04:13.453 --> 04:17.523 align:left position:70%,start line:83% size:20% JAMES: NEVERTHELESS, THIS WAS POSEIDONS VICIOUS PET SEA MONSTER WHO WE SEE TURNED TO STONE 04:17.624 --> 04:18.524 align:left position:45%,start line:89% size:45% BY 04:18.625 --> 04:19.525 align:left position:25%,start line:89% size:65% DEAN: MEDUSA'S HEAD! 04:19.626 --> 04:20.627 align:left position:15%,start line:89% size:75% JAMES: ALGOL STRIKES AGAIN! 04:20.727 --> 04:22.862 align:left position:70%,start line:89% size:20% DEAN: SO GO OUTSIDE AND CHECK OUT THE PLIEADES 04:22.962 --> 04:26.432 align:left position:77.5%,start line:83% size:12.5% JAMES: AND THE DOUBLE CLUSTER OF PERSEUS, ALONG WITH MIRFAK, HIS ELBOW... 04:26.532 --> 04:29.202 align:left position:75%,start line:89% size:15% DEAN: AND ALGOL, THE WINKING EYE OF MEDUSA. 04:29.302 --> 04:30.203 align:left position:20%,start line:89% size:70% IT'S ALL THERE WHEN YOU 04:30.303 --> 04:34.303 align:left position:22.5%,start line:89% size:67.5% BOTH: KEEP LOOKING UP!