WEBVTT 00:02.168 --> 00:24.357 align:left position:12.5%,start line:89% size:77.5% JAMES: WELCOME TO STAR GAZERS. 00:24.457 --> 00:28.228 align:left position:75%,start line:83% size:15% I'M JAMES ALBURY, DIRECTOR OF THE KIKA SILVA PLA PLANETARIUM IN GAINESVILLE FLORIDA. 00:28.328 --> 00:31.398 align:left position:77.5%,start line:83% size:12.5% DEAN: AND I'M DEAN REGAS, ASTRONOMER FROM THE CINCINNATI OBSERVATORY. 00:31.498 --> 00:35.802 align:left position:75%,start line:83% size:15% JAMES: THE CONSTELLATION OF LEO THE LION IS RIDING HIGH IN THE EVENING SKY RIGHT NOW AND 00:35.902 --> 00:38.872 align:left position:70%,start line:83% size:20% HE HAS SOME INTERESTING STARS WITH SOME CREATIVE NAMES. 00:38.972 --> 00:44.477 align:left position:77.5%,start line:83% size:12.5% DEAN: SO FASTEN YOUR SEATBELTS FOR A RIDE THROUGH THE SKY WITH LEO THE LION! 00:44.577 --> 00:49.049 align:left position:77.5%,start line:83% size:12.5% JAMES: OK, WE HAVE OUR SKIES SET FOR ABOUT AN HOUR AFTER SUNSET, FACING SOUTHEAST. 00:49.149 --> 00:54.087 align:left position:72.5%,start line:83% size:17.5% HIGH ABOVE THE HORIZON YOU'LL SEE LEO CASUALLY RECLINING JUST AS THE ANCIENT EGYPTIANS DEPICTED 00:54.187 --> 00:56.156 align:left position:85%,start line:89% size:5% HIM IN A REGAL SPHINX LIKE POSITION. 00:56.256 --> 01:00.593 align:left position:77.5%,start line:83% size:12.5% DEAN: HIS HEAD AND FOREQUARTERS ARE FORMED BY A BACKWARD QUESTION MARK WITH THE BRIGHT 01:00.693 --> 01:03.630 align:left position:77.5%,start line:89% size:12.5% BLUE WHITE STAR REGULUS MARKING HIS HEART. 01:03.730 --> 01:09.135 align:left position:77.5%,start line:83% size:12.5% HIS REAR IS MARKED BY A TRIANGLE OF STARS WITH LEO'S SECOND BRIGHTEST STAR, DENEBOLA, 01:09.235 --> 01:10.804 align:left position:27.5%,start line:89% size:62.5% MARKING HIS TAIL. 01:10.904 --> 01:15.275 align:left position:72.5%,start line:83% size:17.5% JAMES: THE STARS IN THE HEAD OF LEO ALSO FORM AN ASTERISM CALLED THE SICKLE. 01:15.375 --> 01:19.579 align:left position:77.5%,start line:83% size:12.5% ALL THE STARS ARE VISIBLE TO THE NAKED EYE EVEN THOUGH THEY ARE QUITE FAR FROM US. 01:19.679 --> 01:24.084 align:left position:77.5%,start line:83% size:12.5% DEAN: THE NAMES OF THE STARS, STARTING AT THE TOP OF THE BACKWARDS QUESTION MARK AND 01:24.184 --> 01:31.558 align:left position:77.5%,start line:83% size:12.5% WORKING OUR WAY DOWN ARE: EPSILON LEONIS, RASALAS, ADHAFERA, ALGIEBA, ETA LEONIS AND 01:31.658 --> 01:33.560 align:left position:27.5%,start line:89% size:62.5% OF COURSE REGULUS. 01:33.660 --> 01:37.697 align:left position:72.5%,start line:83% size:17.5% JAMES: AS FAR AS THE TRIANGULAR SHAPE OF STARS MARKING THE TAIL, YOU ALREADY KNOW ABOUT DENEBOLA, 01:37.797 --> 01:42.836 align:left position:77.5%,start line:83% size:12.5% HOWEVER THE OTHER TWO STARS ARE ZOSMA (TO THE NORTHWEST OF DENEBOLA) AND CHERTAN (TO 01:42.936 --> 01:44.370 align:left position:25%,start line:89% size:65% THE SOUTH OF ZOSMA). 01:44.471 --> 01:48.708 align:left position:77.5%,start line:83% size:12.5% DEAN: WITHIN THE OFFICIAL BOUNDARY OF LEO, THERE ARE OVER 90 STARS! 01:48.808 --> 01:54.747 align:left position:72.5%,start line:83% size:17.5% 5 OF THOSE STARS ARE LESS THAN 33 LIGHT YEARS FROM EARTH (THAT'S KINDA CLOSE FOR ASTRONOMERS) 01:54.848 --> 01:58.518 align:left position:75%,start line:83% size:15% AND AT LEAST 13 OF THOSE STARS HAVE PLANETS CIRCLING AROUND THEM. 01:58.618 --> 02:03.256 align:left position:67.5%,start line:83% size:22.5% JAMES: THE BRIGHTEST STARS OF LEO ARE AN EXCELLENT EXAMPLE OF PERSIAN STAR NAMING. 02:03.356 --> 02:07.060 align:left position:77.5%,start line:83% size:12.5% IF YOUVE WATCHED OUR SHOW OVER THE YEARS, YOU MAY HAVE NOTICED THAT A LOT OF THE STARS 02:07.160 --> 02:08.895 align:left position:27.5%,start line:89% size:62.5% HAVE ARABIC NAMES. 02:08.995 --> 02:12.332 align:left position:75%,start line:83% size:15% DEAN: THAT'S BECAUSE MANY OF THE STARS WERE NAMED BY PERSIAN ASTRONOMERS THOUSANDS OF 02:12.432 --> 02:14.167 align:left position:37.5%,start line:89% size:52.5% YEARS AGO. 02:14.267 --> 02:18.671 align:left position:75%,start line:83% size:15% THE STAR PATTERNS THEY SAW WAY BACK THEN ARE SIMILAR TO WHAT WE STILL CALL THEM TODAY. 02:18.771 --> 02:23.776 align:left position:67.5%,start line:83% size:22.5% AND THEY OFTEN NAMED THE STARS AFTER THE BODYPART THAT THE STAR REPRESENTED WITHIN THE CONSTELLATION. 02:23.877 --> 02:27.647 align:left position:75%,start line:83% size:15% JAMES: FOR EXAMPLE, THE PREFIX "DENEB" MEANS TAIL. 02:27.747 --> 02:29.849 align:left position:22.5%,start line:89% size:67.5% AND "RAS" MEANS HEAD. 02:29.949 --> 02:33.353 align:left position:77.5%,start line:83% size:12.5% SEVERAL STARS IN THE SKY HAVE EITHER DENEB OR RAS AS PART OF THEIR NAMES. 02:33.453 --> 02:40.193 align:left position:77.5%,start line:83% size:12.5% DEAN: RASALAS (ALSO KNOWN AS MU LEONIS) IS THE STAR AT THE TOP OF THE LEOS HEAD. 02:40.293 --> 02:47.267 align:left position:75%,start line:83% size:15% ITS 133 LIGHT YEARS FROM EARTH AND ITS NAME IS SHORT FOR AL RAS AL ASAD AL SHAMALI. 02:47.367 --> 02:50.870 align:left position:77.5%,start line:83% size:12.5% WHEN TRANSLATED IT MEANS THE NORTHERN STAR OF THE LIONS HEAD. 02:50.970 --> 02:52.839 align:left position:15%,start line:89% size:75% WOW, THAT'S AWFUL SPECIFIC! 02:52.939 --> 02:57.677 align:left position:67.5%,start line:83% size:22.5% JAMES: AND ON THE OTHER END OF THE LION, DENEBOLA IS A BLUE-WHITE STAR AND ITS 36 LIGHT YEARS 02:57.777 --> 02:58.711 align:left position:35%,start line:89% size:55% FROM EARTH. 02:58.811 --> 03:00.613 align:left position:12.5%,start line:89% size:77.5% ITS NAME MEANS THE LIONS TAIL. 03:00.713 --> 03:06.085 align:left position:75%,start line:83% size:15% JAMES: REGULUS IS A BLUE-WHITE MAIN SEQUENCE STAR WITH A DIMMER SECONDARY STAR. 03:06.186 --> 03:09.656 align:left position:75%,start line:83% size:15% BOTH STARS ARE A LITTLE OVER 77 LIGHT YEARS FROM EARTH. 03:09.756 --> 03:11.791 align:left position:80%,start line:89% size:10% AND THE NAME REGULUS MEANS LITTLE KING. 03:11.891 --> 03:17.363 align:left position:77.5%,start line:83% size:12.5% DEAN: ALGIEBA IS A BINARY STAR SYSTEM 126 LIGHT YEARS FROM EARTH AND IT'S NAME MEANS 03:17.463 --> 03:19.165 align:left position:30%,start line:89% size:60% "THE FOREHEAD." 03:19.265 --> 03:23.703 align:left position:77.5%,start line:83% size:12.5% JAMES: ADHAFERA IS A WHITE GIANT STAR 260 LIGHT YEARS FROM EARTH AND IT'S NAME MEANS 03:23.803 --> 03:26.439 align:left position:77.5%,start line:83% size:12.5% "THE BRAID", WHICH IS IN REFERENCE TO THE LION'S MANE. 03:26.539 --> 03:31.844 align:left position:75%,start line:83% size:15% DEAN: IN 2014, IT WAS ANNOUNCED THE RASALAS HAS A PLANETARY COMPANION MORE THAN TWICE 03:31.945 --> 03:35.915 align:left position:77.5%,start line:83% size:12.5% THE MASS OF JUPITER, WITH A YEAR 358 DAYS LONG. 03:36.015 --> 03:40.220 align:left position:77.5%,start line:83% size:12.5% JAMES: THE LAST TWO STARS WE'LL TALK ABOUT ARE NEAR THE TAIL OF LEO. 03:40.320 --> 03:43.089 align:left position:87.5%,start line:89% size:2.5% THEIR NAMES ARE ZOSMA AND CHERTAN. 03:43.189 --> 03:46.326 align:left position:72.5%,start line:83% size:17.5% ZOSMA IS A WHITE STAR OVER TWICE THE DIAMETER OF OUR SUN. 03:46.426 --> 03:51.598 align:left position:77.5%,start line:83% size:12.5% IN ANCIENT GREEK, ITS NAME MEANS "GIRDLE" AND THIS STAR IS 58 LIGHT YEARS FROM EARTH. 03:51.698 --> 03:56.069 align:left position:77.5%,start line:83% size:12.5% DEAN: CHERTAN IS A LARGE STAR THAT IS MORE THAN TWO AND A HALF TIMES THE MASS OF OUR 03:56.169 --> 03:59.639 align:left position:80%,start line:89% size:10% SUN AND ITS NAME MEANS "TWO SMALL RIBS". 03:59.739 --> 04:05.712 align:left position:77.5%,start line:83% size:12.5% CHERTAN IS 141 TIMES BRIGHTER THAN THE SUN AND IS 165 LIGHT YEARS AWAY. 04:05.812 --> 04:06.813 align:left position:35%,start line:89% size:55% JAMES: WOW! 04:06.913 --> 04:09.249 align:left position:70%,start line:89% size:20% IF CHERTAN WERE OUR SUN, WE'D BE PRETTY TOASTY. 04:09.349 --> 04:10.850 align:left position:22.5%,start line:89% size:67.5% DEAN: MOST DEFINITELY! 04:10.950 --> 04:14.921 align:left position:67.5%,start line:83% size:22.5% DEAN: SO, GET OUTSIDE AND CHECK OUT THE BRIGHTEST STARS OF LEO THE LION! 04:15.021 --> 04:19.926 align:left position:77.5%,start line:83% size:12.5% JAMES: WE HAVE RASALAS, ADHAFERA, ALGIEBA, AND REGULUS MAKING PARTS OF HIS HEAD 04:20.026 --> 04:24.230 align:left position:75%,start line:83% size:15% DEAN: AND ZOSMA, CHERTAN AND DENEBOLA MAKING HIS REAR END AND TAIL. 04:24.330 --> 04:25.865 align:left position:87.5%,start line:89% size:2.5% JAMES: HE'S EASY TO FIND WHEN YOU 04:25.965 --> 04:29.965 align:left position:22.5%,start line:89% size:67.5% BOTH: KEEP LOOKING UP!