WEBVTT 00:20.653 --> 00:22.288 align:left position:20% line:89% size:70% VEGA, ALTAIR AND DENEB 00:22.389 --> 00:23.323 align:left position:42.5% line:89% size:47.5% OH MY! 00:23.423 --> 00:25.091 align:left position:42.5% line:83% size:47.5% JAMES: HEY THERE STAR GAZERS. 00:25.191 --> 00:28.762 align:left position:75% line:83% size:15% I'M JAMES ALBURY, DIRECTOR OF THE KIKA SILVA PLA PLANETARIUM IN GAINESVILLE, FLORIDA. 00:28.862 --> 00:31.564 align:left position:42.5% line:83% size:47.5% DEAN: AND, I'M DEAN REGAS, ASTRONOMER FOR THE CINCINNATI 00:31.664 --> 00:32.766 align:left position:35% line:89% size:55% OBSERVATORY. 00:32.866 --> 00:35.535 align:left position:77.5% line:83% size:12.5% WERE HERE TO HELP YOU FIND YOUR WAY AROUND THE SKY. 00:35.635 --> 00:38.605 align:left position:75% line:83% size:15% THIS WEEK WE WANT YOU TO KICK BACK AND RELAX UNDER THE STARS 00:38.705 --> 00:41.141 align:left position:42.5% line:83% size:47.5% JAMES: SUMMER OFFICIALLY BEGINS AT THE END OF THIS 00:41.241 --> 00:44.978 align:left position:75% line:83% size:15% WEEK AND THOSE WARM EVENINGS ARE PERFECT FOR LYING IN THE GRASS AND 00:45.078 --> 00:46.246 align:left position:35% line:89% size:55% LOOKING UP. 00:46.346 --> 00:47.881 align:left position:42.5% line:83% size:47.5% DEAN: THE BRIGHTEST STARS OF THE SEASON ARE OVERHEAD. 00:47.981 --> 00:50.984 align:left position:42.5% line:83% size:47.5% JAMES: THERE YOU'LL FIND A TRIANGLE OF THREE CELESTIAL 00:51.084 --> 00:56.289 align:left position:75% line:83% size:15% DAZZLERS - THE STARS OF THE SUMMER TRIANGLE NAMED VEGA, ALTAIR, AND DENEB. 00:56.389 --> 00:59.959 align:left position:42.5% line:83% size:47.5% DEAN: AS SUMMER BEGINS, LET'S TAKE A CLOSER LOOK. 01:00.060 --> 01:03.496 align:left position:42.5% line:83% size:47.5% DEAN: OKAY WE HAVE OUR SKY SET UP FOR 11PM ANY NIGHT 01:03.596 --> 01:05.065 align:left position:37.5% line:83% size:52.5% THIS WEEK FACING EAST. 01:05.165 --> 01:08.568 align:left position:75% line:83% size:15% YOU'LL SEE 3 BRIGHT STARS THAT REALLY STAND OUT. 01:08.668 --> 01:09.602 align:left position:30% line:89% size:60% ITS A TRIANGLE. 01:09.702 --> 01:10.670 align:left position:22.5% line:89% size:67.5% ITS RISING IN SUMMER. 01:10.770 --> 01:12.939 align:left position:27.5% line:83% size:62.5% SO I'D CALL THAT A SUMMER TRIANGLE. 01:13.039 --> 01:16.176 align:left position:42.5% line:83% size:47.5% JAMES: LET'S FOCUS IN ON THOSE 3 STARS, AND FLY IN 01:16.276 --> 01:17.610 align:left position:27.5% line:89% size:62.5% FOR A CLOSER LOOK. 01:17.710 --> 01:20.180 align:left position:42.5% line:83% size:47.5% DEAN: NO MATTER IF YOU LIVE IN THE COUNTRY OR THE 01:20.280 --> 01:24.818 align:left position:75% line:83% size:15% HEART OF A CITY, YOU SHOULD BE ABLE TO FIND THESE THREE STARS DISTINCTLY IN THE SKY. 01:24.918 --> 01:30.623 align:left position:77.5% line:83% size:12.5% WHEN YOU CONNECT THEM WITH LINES THEY FORM A HUGE TRIANGLE OVER 30 DEGREES LONG AND 20 01:30.723 --> 01:31.758 align:left position:32.5% line:89% size:57.5% DEGREES HIGH. 01:31.858 --> 01:33.660 align:left position:42.5% line:83% size:47.5% JAMES: REMEMBER THE EASY WAY TO MEASURE DEGREES 01:33.760 --> 01:34.861 align:left position:35% line:89% size:55% IN THE SKY? 01:34.961 --> 01:37.697 align:left position:87.5% line:83% size:2.5% YOUR FIST AT ARMS LENGTH IS ABOUT 10 DEGREES. 01:37.797 --> 01:41.101 align:left position:75% line:83% size:15% SO SEE IF YOUR SUMMER TRIANGLE IS TWO FISTS HIGH AND THREE 01:41.201 --> 01:42.335 align:left position:35% line:89% size:55% FISTS LONG. 01:42.435 --> 01:44.304 align:left position:42.5% line:83% size:47.5% DEAN: THE BRIGHTEST STAR OF THE THREE, AND THE ONE 01:44.404 --> 01:47.640 align:left position:77.5% line:83% size:12.5% CLOSEST TO THE ZENITH JUST AFTER SUNSET IS CALLED VEGA. 01:47.740 --> 01:50.443 align:left position:42.5% line:83% size:47.5% JAMES: DO I DETECT A SLIGHT BLUE-ISH TINT TO 01:50.543 --> 01:51.444 align:left position:37.5% line:89% size:52.5% THIS STAR? 01:51.544 --> 01:52.946 align:left position:42.5% line:83% size:47.5% DEAN: YOU SURE DO. 01:53.046 --> 01:56.950 align:left position:72.5% line:83% size:17.5% VEGA IS A BLUE-WHITE GIANT STAR AND THIS TELLS US ITS TEMPERATURE. 01:57.050 --> 01:59.652 align:left position:77.5% line:83% size:12.5% BLUE IS HOTTER THAN WHITE WHICH IS HOTTER THAN YELLOW. 01:59.752 --> 02:04.691 align:left position:75% line:83% size:15% VEGA IS WELL OVER 16,800 DEGREES FAHRENHEIT ON ITS SURFACE. 02:04.791 --> 02:07.494 align:left position:77.5% line:83% size:12.5% MUCH HOTTER THAN OUR 10,000 DEGREE YELLOW SUN. 02:07.594 --> 02:09.729 align:left position:42.5% line:83% size:47.5% JAMES: THE SECOND BRIGHTEST STAR IN THE TRIANGLE, 02:09.829 --> 02:13.266 align:left position:70% line:89% size:20% AND THE ONE OFF TO THE RIGHT, IS CALLED ALTAIR. 02:13.366 --> 02:17.770 align:left position:22.5% line:83% size:67.5% ALTAIR IS STARK WHITE IN COLOR WITH A TEMPERATURE OF 13,400 DEGREE 02:17.871 --> 02:18.972 align:left position:35% line:89% size:55% FAHRENHEIT. 02:19.072 --> 02:20.940 align:left position:42.5% line:83% size:47.5% DEAN: AND THE FAINTEST OF THE THREE, OVER TO THE 02:21.040 --> 02:22.775 align:left position:22.5% line:89% size:67.5% LEFT IS CALLED DENEB. 02:22.876 --> 02:26.779 align:left position:75% line:83% size:15% DENEB IS BLUEISH-WHITE - NOT AS BLUE AS VEGA BUT HOTTER THAN ALTAIR. 02:26.880 --> 02:31.518 align:left position:75% line:83% size:15% IT SCORCHES SPACE WITH A SURFACE TEMPERATURE OF ABOUT 14,800 DEGREES. 02:31.618 --> 02:35.255 align:left position:42.5% line:83% size:47.5% JAMES: EACH BRIGHT STAR IN THE SUMMER TRIANGLE IS 02:35.355 --> 02:37.023 align:left position:12.5% line:89% size:77.5% PART OF ITS OWN CONSTELLATION. 02:37.123 --> 02:41.494 align:left position:75% line:83% size:15% IF I USE MY IMAGINATION (AND SOME HELP FROM THE STAR GAZERS GRAPHICS DEPARTMENT), 02:41.594 --> 02:43.863 align:left position:30% line:83% size:60% I CAN JUST MAKE THEM OUT. 02:43.963 --> 02:46.766 align:left position:82.5% line:83% size:7.5% VEGA IS PART OF THE CONSTELLATION LYRA THE HARP. 02:46.866 --> 02:50.003 align:left position:75% line:83% size:15% THE STARS MAKE A TINY PARALLELOGRAM HANGING OFF VEGA. 02:50.103 --> 02:55.775 align:left position:72.5% line:83% size:17.5% IN SOME PICTURES OF LYRA THERES A BIRD AROUND THE HARP - SINCE PEOPLE ALSO CALLED THIS A 02:55.875 --> 02:57.010 align:left position:40% line:89% size:50% VULTURE. 02:57.110 --> 02:59.045 align:left position:42.5% line:83% size:47.5% DEAN: ALTAIR IS THE EAGLE EYE OF THE CONSTELLATION 02:59.145 --> 03:00.380 align:left position:27.5% line:89% size:62.5% AQUILA THE EAGLE. 03:00.480 --> 03:03.483 align:left position:70% line:83% size:20% IF YOU CANT SEE AN EAGLE IN THOSE STARS, YOU'RE NOT ALONE. 03:03.583 --> 03:06.252 align:left position:80% line:89% size:10% BUT AT LEAST YOU KNOW WHERE THE EYE IS. 03:06.352 --> 03:08.855 align:left position:42.5% line:83% size:47.5% JAMES: AND DENEB IS THE TAIL STAR OF THE STELLAR 03:08.955 --> 03:11.324 align:left position:10% line:89% size:80% SWAN - THE CONSTELLATION CYGNUS. 03:11.424 --> 03:16.029 align:left position:80% line:83% size:10% OKAY, THAT'S AN EASY ONE TO PICTURE WITH HIS BODY AND LONG, STRETCHED-OUT BEAK. 03:16.129 --> 03:19.799 align:left position:72.5% line:83% size:17.5% CYGNUS FORMS A CROSS SHAPE AND IS ALSO CALLED THE NORTHERN CROSS. 03:19.899 --> 03:22.235 align:left position:42.5% line:83% size:47.5% DEAN: NOW LETS TALK DISTANCES. 03:22.335 --> 03:26.539 align:left position:75% line:83% size:15% VEGA IS THE BRIGHTEST OF THE THREE STARS BUT IS NOT THE CLOSEST. 03:26.639 --> 03:30.743 align:left position:82.5% line:83% size:7.5% THAT HONOR GOES TO ALTAIR WHO IS ONLY 17 LIGHT YEARS AWAY FROM US. 03:30.843 --> 03:35.481 align:left position:75% line:83% size:15% WITH PROFESSIONAL TELESCOPES WE CAN ACTUALLY SEE THAT ALTAIR IS SPINNING RAPIDLY. 03:35.582 --> 03:39.919 align:left position:77.5% line:83% size:12.5% IT SPINS SO FAST THAT IT HAS SQUISHED ITS SHAPE TO RESEMBLE A BLUE-WHITE EGG. 03:40.019 --> 03:42.522 align:left position:42.5% line:83% size:47.5% JAMES: VEGA IS THE SECOND CLOSEST AT ABOUT 03:42.622 --> 03:44.924 align:left position:25% line:89% size:65% 25 LIGHT YEARS AWAY. 03:45.024 --> 03:48.595 align:left position:75% line:83% size:15% THAT MEANS THE LIGHT THAT YOU SEE LEFT VEGA 25 YEARS AGO. 03:48.695 --> 03:50.430 align:left position:12.5% line:89% size:77.5% THAT WAS BACK WHEN I HAD HAIR! 03:50.530 --> 03:52.298 align:left position:42.5% line:83% size:47.5% DEAN: HA! 03:52.398 --> 03:55.868 align:left position:75% line:83% size:15% DENEB IS NOT ONLY THE FARTHEST OF THE THREE, IT IS PERHAPS THE FARTHEST STAR YOU CAN SEE 03:55.969 --> 03:57.503 align:left position:25% line:89% size:65% WITH THE NAKED EYE. 03:57.604 --> 04:02.208 align:left position:85% line:83% size:5% AT A WHOPPING 3000 LIGHT YEARS AWAY, WE CAN STILL SEE IT AS A BRIGHT STAR. 04:02.308 --> 04:04.844 align:left position:85% line:89% size:5% THAT MEANS DENEB MUST BE HUMONGOUS. 04:04.944 --> 04:09.115 align:left position:72.5% line:83% size:17.5% HERE IS A SIDE-BY-SIDE COMPARISON OF THE THREE SUMMER TRIANGLE STARS 04:09.215 --> 04:10.250 align:left position:42.5% line:83% size:47.5% JAMES: WOW-SERS! 04:10.350 --> 04:12.352 align:left position:15% line:89% size:75% DENEB DWARFS THE OTHER TWO. 04:12.452 --> 04:15.788 align:left position:42.5% line:83% size:47.5% DEAN: SO GET OUTSIDE UNDER THE SUMMER STARS THIS 04:15.888 --> 04:16.990 align:left position:42.5% line:89% size:47.5% WEEK. 04:17.090 --> 04:18.725 align:left position:42.5% line:83% size:47.5% JAMES: ENJOY THE WARM SUMMER NIGHTS AND LOOK FOR 04:18.825 --> 04:20.693 align:left position:80% line:89% size:10% THE SUMMER TRIANGLE RISING IN THE EAST. 04:20.793 --> 04:23.630 align:left position:42.5% line:83% size:47.5% DEAN: VEGA, ALTAIR AND DENEB SHINE IN THE SKY 04:23.730 --> 04:25.031 align:left position:27.5% line:89% size:62.5% AS SUMMER BEGINS. 04:25.131 --> 04:26.032 align:left position:32.5% line:89% size:57.5% SO DEFINITELY 04:26.132 --> 04:30.132 align:left position:22.5% line:89% size:67.5% BOTH: KEEP LOOKING UP!