1 00:00:20,787 --> 00:00:21,688 PHASE-TASTIC! 2 00:00:21,788 --> 00:00:22,689 (Part 2) 3 00:00:22,789 --> 00:00:24,924 JAMES: WELCOME TO STARGAZERS! 4 00:00:25,025 --> 00:00:28,828 I'M JAMES ALBURY, DIRECTOR OF THE KIKA SILVA PLA PLANETARIUM IN GAINESVILLE, FLORIDA. 5 00:00:28,928 --> 00:00:32,665 DEAN: AND I'M DEAN REGAS, ASTRONOMER FROM THE CINCINNATI OBSERVATORY. 6 00:00:32,766 --> 00:00:35,902 YOU MIGHT REMEMBER THAT TWO WEEKS AGO, JAMES ASKED ME A QUESTION ABOUT 7 00:00:36,002 --> 00:00:38,772 WHAT PHASE THE MOON WOULD BE IN IF IT ROSE AT NOON. 8 00:00:38,872 --> 00:00:40,440 JAMES: YUP! AND YOU GOT IT RIGHT TOO. 9 00:00:40,540 --> 00:00:41,441 DEAN: YES I DID! 10 00:00:41,541 --> 00:00:43,476 SO, I HAVE A QUESTION FOR YOU. 11 00:00:43,576 --> 00:00:44,811 ARE YOU READY? 12 00:00:44,911 --> 00:00:47,580 JAMES: SURE!DEAN: OK, IF THE MOON SETS AT NOON, WHAT PHASE 13 00:00:47,680 --> 00:00:48,581 IS IT IN? 14 00:00:48,681 --> 00:00:49,716 JAMES: AH! 15 00:00:49,816 --> 00:00:51,184 IT WOULD BE AT LAST QUARTER.DEAN: EXCELLENT! 16 00:00:51,284 --> 00:00:53,520 JAMES : THANK YOU, THANK YOU! 17 00:00:53,620 --> 00:00:54,521 OOO! 18 00:00:54,621 --> 00:00:55,588 THAT REMINDS ME OF A MOON JOKE. 19 00:00:55,688 --> 00:00:57,624 DEAN: UH MAYBE SAVE IT FOR LATER, JAMES. 20 00:00:57,724 --> 00:00:59,459 JAMES: YAY! 21 00:00:59,559 --> 00:01:02,762 SO, WE'LL SHOW YOU HOW I ANSWERED THAT QUESTION AND WE HAVE A REALLY COOL CONJUNCTION 22 00:01:02,862 --> 00:01:06,299 OF JUPITER AND MERCURY AT THE END OF THIS WEEK AND THE MOON JOINS 23 00:01:06,399 --> 00:01:08,268 THE TY RIGHT AFTER NEW YEARS! 24 00:01:08,368 --> 00:01:09,936 LET'S SHOW YOU! 25 00:01:10,036 --> 00:01:14,007 JAMES: WHEN WE TALKED TWO WEEKS AGO ABOUT THE PHASES OF THE MOON, WE MENTIONED 26 00:01:14,107 --> 00:01:18,044 THAT IT TAKES ABOUT A WEEK FOR THE MOON TO GO FROM ONE MAJOR PHASE TO 27 00:01:18,144 --> 00:01:19,379 THE NEXT. 28 00:01:19,479 --> 00:01:21,114 FOR EXAMPLE, IF THE MOON IS IN THE NEW PHASE ON DECEMBER 29 00:01:21,214 --> 00:01:24,084 7TH, IT WILL BE AT FIRST QUARTER ON DECEMBER 15TH. 30 00:01:24,184 --> 00:01:28,121 DEAN: WHEN THE MOON IS AT FIRST QUARTER, IT'S TRAVELED A QUARTER OF THE WAY AROUND THE EARTH 31 00:01:28,221 --> 00:01:31,758 AND THEREFORE, IT'S 90 DEGREES EAST OF THE SUN IN THE SKY. 32 00:01:31,858 --> 00:01:36,863 SO, THE MOON RISES JUST AS THE SUN REACHES IT'S HIGHEST POINT IN THE SKY AT NOON. 33 00:01:36,963 --> 00:01:40,500 JAMES: THEN, A WEEK AFTER THAT, ON DECEMBER 22ND, THE MOON IS 34 00:01:40,600 --> 00:01:43,837 IN ITS FULL PHASE, AND IT'S 180 DEGREES AWAY FROM THE SUN. 35 00:01:43,937 --> 00:01:47,307 THIS MEANS THAT THE MOON WILL RISE AS THE SUN SETS, 36 00:01:47,407 --> 00:01:49,809 AND IT WILL SET AS THE SUN RISES. 37 00:01:49,909 --> 00:01:53,146 JAMES: IN THE DAYS FOLLOWING THE FULL MOON, WE BEGIN TO 38 00:01:53,246 --> 00:01:57,150 SEE LESS AND LESS OF THE DAYTIME SIDE OF THE MOON AND MORE AND MORE OF THE NIGHTTIME 39 00:01:57,250 --> 00:01:58,151 SIDE. 40 00:01:58,251 --> 00:02:00,286 THESE ARE CALLED THE WANING PHASES. 41 00:02:00,386 --> 00:02:02,655 WANING MEANS TO GET SMALLER, AND THE MOON IS APPEARING 42 00:02:02,755 --> 00:02:06,025 HUMPED AGAIN, SO WE CALL THIS THE WANING GIBBOUS MOON. 43 00:02:06,126 --> 00:02:08,628 DEAN: ON DECEMBER 29TH IT WILL HAVE BEEN A WEEK 44 00:02:08,728 --> 00:02:12,732 SINCE THE FULL MOON AND THE MOON HAS TRAVELED THREE QUARTERS OF THE WAY AROUND 45 00:02:12,832 --> 00:02:16,236 THE EARTH, SO WE CALL THIS PHASE LAST QUARTER. 46 00:02:16,336 --> 00:02:19,572 WE AGAIN SEEHALF OF THE DAYLIT SIDE AND HALF OF THE NIGHTTIME 47 00:02:19,672 --> 00:02:23,610 SIDE, BUT REVERSED FROM WHAT WE SAW AT FIRST QUARTER. 48 00:02:23,710 --> 00:02:26,846 THE MOON IS ALSO VISIBLE IN THE EARLY MORNING INSTEAD OF THE 49 00:02:26,946 --> 00:02:28,047 EARLY EVENING. 50 00:02:28,148 --> 00:02:30,650 JAMES: IN THIS CONFIGURATION, THE MOON IS NOW 90 51 00:02:30,750 --> 00:02:32,485 DEGREES WEST OF THE SUN. 52 00:02:32,585 --> 00:02:35,421 SO WHEN THE SUN IS AT ITS HIGHEST POINT IN THE SKY AT 53 00:02:35,522 --> 00:02:38,057 NOON, THE MOON WILL BE SETTING ON THE WESTERN HORIZON. 54 00:02:38,158 --> 00:02:41,161 DEAN: LASTLY, WE HAVE THE WANING CRESCENT PHASE. 55 00:02:41,261 --> 00:02:44,430 THIS OCCURS DURING THE LAST WEEK OF THE MOON'S ORBIT AROUND THE 56 00:02:44,531 --> 00:02:48,868 EARTH AND WE SEE THE DAYLIT SIDE SHRINK MORE AND MORE AS THE DAYS PASS. 57 00:02:48,968 --> 00:02:52,772 JAMES: ON JANUARY 5TH, 29 DAYS AFTER THE BEGINNING OF THE MOON'S JOURNEY, 58 00:02:52,872 --> 00:02:56,910 THE MOON IS BACK WHERE IT STARTED, IN A POSITION PUTTING IT BETWEEN THE EARTH 59 00:02:57,010 --> 00:02:58,011 AND THE SUN. 60 00:02:58,111 --> 00:02:59,579 THE MOON IS NEW ONCE AGAIN. 61 00:02:59,679 --> 00:03:02,148 HEY DEAN, CAN I TELL MY JOKE NOW? 62 00:03:02,248 --> 00:03:05,351 DEAN: GO AHEAD, JAMES.JAMES: OK, HOW DO YOU KNOW 63 00:03:05,451 --> 00:03:08,087 WHEN THE MOON HAS GONE COMPLETELY BROKE?DEAN: HMMM I DONT 64 00:03:08,188 --> 00:03:09,155 KNOW JAMES, HOW? 65 00:03:09,255 --> 00:03:11,424 JAMES: ITS DOWN TO ITS LAST QUARTER! 66 00:03:11,524 --> 00:03:12,425 HA! 67 00:03:12,525 --> 00:03:20,099 DEAN: TOTALLY WORTH THE WAIT! 68 00:03:20,200 --> 00:03:24,404 DEAN: OK, WE HAVE OUR SKIES SET UP FOR DECEMBER 21, AN 69 00:03:24,504 --> 00:03:27,607 HOUR BEFORE SUNRISE, FACING SOUTHEAST. 70 00:03:27,707 --> 00:03:32,812 LOW ON THE HORIZON YOU'LL SEE THREE STARS MARKING THE FACE OF SCORPIUS THE SCORPION 71 00:03:32,912 --> 00:03:36,749 AND JUST BELOW THEM YOULL SEE ANTARES, THE SCORPIONS HEART. 72 00:03:36,849 --> 00:03:40,086 TO THE LEFT OF THAT, YOU'LL SEE JUPITER AND MERCURY. 73 00:03:40,186 --> 00:03:43,856 JAMES: THE TWO PLANETS WILL APPEAR AT THEIR CLOSEST THAT DAY AND 74 00:03:43,957 --> 00:03:46,125 THEY'LL BE LESS THAN A FULL MOON WIDTH AT. 75 00:03:46,226 --> 00:03:49,896 DEAN: MERCURY IS A SPEEDY PLANET, SO THIS CONJUNCTION WON'T 76 00:03:49,996 --> 00:03:51,331 LAST LONG. 77 00:03:51,431 --> 00:03:53,766 IF YOU MISS SEEING THEM THAT MORNING, MAKE SURE YOU CHECK THEM 78 00:03:53,866 --> 00:03:56,569 OUT ON DECEMBER 22ND AND 23RD. 79 00:03:56,669 --> 00:04:01,040 THEY'LL BE A LITTLE FURTHER AT, BUT STILL AN IMPRESSIVE SIGHT. 80 00:04:01,140 --> 00:04:06,412 JAMES: THEN, A WEEK LATER, THE WANING CRESCENT MOON JOINS THE PARTY; PASSING BY VENUS ON 81 00:04:06,512 --> 00:04:09,349 JANUARY 1ST AND THEN JUPITER ON JANUARY 3RD. 82 00:04:09,449 --> 00:04:13,319 DEAN: SO THERE YOU HAVE IT, THE PHASES OF THE MOON AND A WONDERFUL 83 00:04:13,419 --> 00:04:15,555 PAIRING OF PLANETS TO END 2018. 84 00:04:15,655 --> 00:04:19,655 JAMES: ITS ALL WAITING FOR YOU WHEN YOU BOTH: KEEP LOOKING UP!