NASA TRAPPIST-1 News

Please Stay where you are. >> GOO AFTERNOON. OFNICATIONS LI FROMFIC HEADQUARTE. EXCITING NE W OUTSIDE OF O SOLAF PANELISTS A ANSWERQUESTIONS FROE STUDIO, PHONE ANDIAL MEDIA. TO ASK QUESTION VIA SOCIAL MEDIA, PLEASE U THE HASHTAG ASK NA. TO’S PARTICIPATSRE THOMAS ZURBUCHEN. ASSOCIATE AINISTRATOR OE NASA HEADQUAS IN WASHINGT ELILLON, NOMER AT TH UNI OF LIEG IN LGIUM. SEA MANAGER OF NASA’S SCIENCE AT CALTECH PASADENA, C. SARA SEAGAR, PROFESSOR ENCE ANDCA TECHNOLOGY I CAMBRIDGE.AND, N LR AT SPACE SCIENCE I IN AITH THAT, CAN Y STAFF WITHHE B >> HEY, NKS SOIA. LOOK, I’VE S ASSOCIATE NISTRATOR TO FE MONTHS AND I AM IN AWE TOD THE SCIENC WE HEATH WERENGINGPLE’S DAY ANDE ENLARGEN TE SPACE W KNOW. WE STRETNATION. WE INSPIRE EVER. AND TOD IS ITED TO ANNOUNCE TAY AT DR. MICH GILLON AND HIS TELESCOPE DETERMINE THAT THERE AA E NEST STAR ABOUT 40 LIGHT YEARSOUAN S IN THIS IUSTRATION IS THAT THREE OF THESE PNETS MARKED I GREEN LIQUID WER CAN POOL ON THEWHE SURFACE. IN FACT WITH THE RIGHT ATMOSPHERIC CONDITIONS THERE COULD WATER O ANY OF T PLAN SOOR THE FIRST TIME, WE FOUND AS MANY TERRESTRIAL PLANETS AR A SINGLE STAR AND THAT’S TH FIRST TIME WE HAVE BEEN ABLE TO M.IN ADDITION TO BHE MASSES AND THE HABITAE PLANES. THESE PTS ARE AMONG BEST, OF ALL THE KNO TO FOLLOW TO SEE FOR EXAMPLE WITH JAMES WEBB SPACEELESCOPE THAT LAUNCHED LASTR THE MOSPHERES AND ALSO LOOK FOR IF. THE DISCOVERY GIVES A HIN THATDING AECOND ESNOT JUST A MR” “WHEN.SCIENTISTS BELLLY THAT AROUND EVER STAR THERE COULD ONE, TAKE THREE, FIVE, TAKEEVEN.Y WO OUT THAT HAVE HOT AT BECOMING A E SYSTEM THAT WOULDE. AND, T WE RLY HAV IN THIS STORY I A STEP F TOWARD AING OF THESE HEART OFANY OFHA AT T PHILOSOP WHAT WE ARE THINKIN WHEN WE BY OUR SELF AD TTLY IS — A WE ALONE OUTHERE? RE MAKINGD A LEAPORWARD, IN FACT, ANG THAT Q MLLY EXCITEDOR YOU UT I THANKS, THOMAS.SO, MICHAEL, YOU TELS MORE ABOUT FINDING? >> SURE. Humankinds WE Worked ITZERPACE W GROUN SAME S ONE, NOT TWO BUT SEVEN H FOUND AROUN SAME STAR. STH SIZEE THE STAR ITSELF IS THE LEAST MASSIVE OF STA AND THESE SS ARE MUCHSMALLER, MR GALAXY.L THEY A VERYEQUENT IN TR MORE FREQUENT.OUT THIS ILLUSTRATION YOU SHE COMPARISON BETWEEN THE BAETBALL AND THE GOLF BALL. WE, IN OUR CE, THE BASKETBALL WOULD BEHE SUN. AND THE GOLF BALL, IWOULD BE TRAPIZ- SO, S MUCH COO AND SMALLER THAN OUR. HE PLANET RE VERY CLOSE I VERYRT ORB AREA AND IN THISRAPHIU CAN SEE ARE THE PLANETSHICH WE HAVE FOUND AR TRAPIZ-1. THREE IN THEABITABLE ZONE. THEY AE ALSO CALLED THE GOLDILOCKS ZONE WHERE LIQUID WATER COULDXIST. Most LELY TO EXIST ON THE SURFAC E OF TSE EARTH SIZE PLANETS AND WITH A HABLE ZONE IS VE PRO IN THE SECH FOR LIFEEYOND OUR SAR SYSTE. >> WHA CAN YOU TELL ABOUT THESE PLA >> WL, WE MEASUREERY, VERY ECISELY THE SIZES.S TO SPITZER-, PRELIMIN MMENT OF T SSES FOR S OF THEM. AN ONEFM, OUR MEASURSNOUGH TO STRONGLY- PRESE ENOUGH TO STRONGLYUGGEST WATERICH MPOSITION BAUSE THIS IS ONE OF T HABITS INF PLANETS IN HABLE AND THESEREABLY — HE STAITH THE SAME SIDE. THE MO THEARTH. AND YOU LOOKT WIT ANIMATION, YOU CAN Envision A VIEW O A WITH A PERMANENT NIGHT IT CUST LIKE T WHAT IS EXCITING THE SYSTEM IS THA THENETS ARE SO CLOSE ITACH OTHER. IF YOU THE ONE E THESETS, YOU WOUL HAVE A VIEW ONTHE OTHER PL. YOULDN’T SEE THEM LIKE W VENUS ORARS LIK DOTS OF BUT AS YO SHET ILLUSTRATION, YOU WOU SEE THEM REALL AS WE THE MOO VERY BIGD SEEALLS WHICH ARE YO SEE T STRUCTURES. THEY WOULD BE AS LARG AS THE ENF THEM. ITLD BE A WONUL VIEW O S PLANET .>> THANKS, SO, SEA YOUUS A IDEA OR MORE OF OVERY AND WHY SRD? UTELY, FELIC OULD FIRST L IT THAT IN M OPI THIS IS MOST EXCITIG DISCOVERY WEE H YET WITHT 14 YEARSF OPERATION. AS CAN SEE IN THE GRAPHIC, THE INITIAL DISCOVERYF THE IMMEDIATEL FOLLOWING TT WE6. STARTED USING GROUND-BASE TELESCOPES MORE THAN 2 CONTINUOUS DS WITH SPITZER. CONFIRMED TWO OF THELANETS THAT WE Note IN THE INITIA Y ANM FOR A TOTAL SEVENLANETS IN THE SYSTEM, WCH ISRETTY EXCITING. AN ULTRA COOL BRIGHTER INHE SO ITAKES IT TO U SPITZER, WHICH IS INFRARED, TO DO THE FOL IN THIS SYEM. EE IN THETION, PLANET. Is published in 2 ANDEDO WE HADO DOMENGINEERING, MORE THAN AN NOMOI CALLY FROM T.ENGINEERINGROUNDME UP TO ALLOW O TIMES MO WEMAGINED ITULD BE ABLT T ATION IS HOW WHETZER PLAN VERY SIMO WAY THE KLAR TELESCOE DO, THE PLANETS PASS IN FRONT OF THER. E SEE THE ANT OF LIGHT THAT THE STAR IS DMEDY WHEN THAT PLANET IS BLOCKING IT. SO, THE DIPS YOU SEE IN THIS ANIMATION ARE THE PLANETS GOING IN FRONT O THE STA BLOCKING A LITTLE BIT OFHE LIGHT. THE SIZE OF THE DIP TEL YOU THE SIZEF THE PLANET. SO WE CAN GET THE SOF THE THE DIP.Y FROM MEASURING PLANETS TY KEEP ORBITGFFERENT AROUND AND AROD ANDRY TIME THEY TRANST YOU CAN MEASURE THE D TELLS YOUERIOD OF THE ORBIT. HOW LONG THAT YEAR IS. AN ONE SWOOP FORHAT PLANET.WHENWE KNOW HOW LONG IT T IT TO GO AUND THE STAR, WE ALSO KNOW DISTANCE FM THE SR, LING US WHETHER OR NOT IT’S IN THE HABITAB ZONE. NOW T TRAPIS-1 SYSTEM A THE PLANETS A IN AN INTESTING CONFIG. ANETS ARE CLOE TOGETHER A THEIR ORBITS A SPACED SUCH T GRAVITATI WIT. G OF THS A LITTLE BE ARE TUGH OTHER SO DON’T RLY AS YOU EXPECTTHOUT THE THAT, MEASURING DO IS MEASURE T M OF THE WHAT THE DENSITY OF THE PLANET M IS.THAT GIVES U ABOUTHEOMPOSITION OFTHE PLANET OE PLANETS, WHETHER ARE ROCKY, ASEOU. SO, E, WHAT CAN YOU T US ABOUT STUDYING THE AT OF THESE >> YEAH, SO ATMOSPHERES TELL US EVOLUTION PLANETS A THE PHYSCESSES THAT A OCCUHE PLA ESPECIALLY T MIGHT MAKE PLANET HABITAB OR INDICA HOSTING LIFE. WEN U SPA SCOPES TODAY ATMOSPHERES O THE PLANETS USING ISSION SPECTROSC WHICH COMPARES THE FINGERPRI IN THE AIR SUCH WATER OR, OZ OXYGEN.WE AREURRENTLY HUBBLECE TELES SCUDY SYSTEM TE IF HTRAPIS-1 HELIUM ATMES. THEY DON’T, I Returns ANOTHER FORWARD THE POTENTIAL TOR SES. LASTR, HUBBLE ACTUA PROBED TNNER MO PLANE THETEM, PIS. AND ANDHEY DIDTYDRO- HY HELIUM. >> WE KNOW ABO THE THREE IN THE HABIT ZONE >> S IF WEMOM HOST S YOU SEELL SEVEN PLANETS. THEABITABLE ZONE INCATED IN THE RION. THER MOSTLANET IN THE HABITABL IS TRAPI THIS ILLUSTRATION, YOU WILL Discover AN ARTIST’ RENDITION OF IT IN INT PLANET FOR ABER OF REASONS. IT’S VERY COSE IN SZE TO EARTH AS Y CAN S HERE. VED ABOUT T SAME IN OURTEM.LIGHT EARTH D THIS MEANS THAT IN TRAPIS-1E, U COULD HAVE TEMPERA THAT ARE VERY, VERILAR TO THE ONES WE HAVE ON EARTH. THE NNET OUT -1F. S ISOTENTIALLY WATER-RICH WORLD THAT IS, AUT THE SIZE AS EARTH HERE’S A COMPARISON. NOAPIS-1F HAS ABOUT NINE-DAY ORBIT URING THATIME, IT RECEIVET THE SAME AMOUNT OF SUNLIGHT AS MARS OUR OWN SOLAR SYS ANNET INHE HABITABLE ZONE OF T SYSTEM IS T ITHE LAR PLA IN T TRAPIS-1 SYSTEM.’S ABOUT% RADIUS T OF AS YOU CAN THIS AND IT R ABOUTHE SAME AMOUNT OF STAR LIGHT SOMEWHERE IN BETWEE MARS AND SYSTEM.HILE WE DONLOGY YET TEALY H HERE? TAKE TRAVEL >> W THANKLLY WE ASK I IF WE WERE ABLE TRAVE AT LIGHT SA WITH MORE A PLANE WOULD TAKEAR L. SOMETHG IN THE LINE OF WELL THE YOU SO MUCH, NOW SA, WHY ARE THESE DISCOVERIORHE IFICOMMUNITY? >> IS DISCOVERY, HAADE A GIANT ACCERATED HABITABLELDS AND LIF ON THER WORY SPEAG. WITH NOT JU ONE PLANET SEVE WET ZONEE RIGHT OR WEREN’TURE WHAT,. E THIS PLANETAR SYSTEM, WE DON’T KUCH ABOUT THE PLANETS. WE KNOW THE MASSES, SIZES, HOW MUCH RTIONILL FALLING THEM AND B SO FOR SPECULA FOR T TRAPIS-1 SYSTE HA CAPTURED OUR IMAGINATION.WE HAVE A NEW POSTER THAT’S PTURED SCIENTIFICALLY CURATELY HOW O OF THE PLANETS Y COULD SEE ALL O THE OTHER PLANS IN THE SKY. NOW, HISTORICALLY A EET 20 Years, THERE’S TH AND SO THAT’S I SO EXCI HERE TODAY SHARE IWITH BECA WITH THIS AMAZING STEM, WE T WORLDS OUTHERE BE UND. >> NKS. >> WELRST OF, D H STARTED T PUT TELESCOPES. CALL S USE FROM GROU USE SEARCH 1,000 OF THEST DWARF ST LD BACK UP SND ABOUT THIS TRAPIS BECAUS FORGOT TO MTION THAT O TH REASRS ARE SO EXCIT IT IS A Veritable Laboratory F STUDIES U PLANETS ORBITING V DIM RED THATE K E EXCITEMENT ABOUT THES W, BECAUSEO STUDY.OTHER HAVE FRS A AN SO WEACTUALLY GET TO T MANYS ABOUT RADIATIONOST STAR A THINGS ANDTS AROUNDEOUNTINGONUS TO F ME COOL DWA VERY CO UPON STA WE CDY. SO IN AITION TO SPUS, IN ONOMY WHENKES A ALMOST ANY TELESCOTY LIKE T WE T FOLLOW UP TO FOLLOW UP. SO WAY, WE HAVE, WE HEARD ABOUTBLE ALREA NIOLE, BUT HUBBL KEPLAR K2, SPITZER AND OTHERS ARE EXPLORING T WHAT TEAM I MOST EXCITED ABOUT, AHOUGH THIS IS IN TELESCOPEHICH WILL LAUNCH 208. WITH THIS TESCOPE AND THE REASON THESE PLANETSO T, THEY ARE WITH THIS TELESCOPE WI WEBB WE STUDY T ATMOS TO AS GRESE G CONTNT WHICH HELP US UNRSTAND THE TE ARE THEY T RIGHT TEMRATURE SUE TOEARCH FORASES THAT DON’T BELONG TT MIGHT BEDUCED BY >> THANKA.WHOLE HOST OF SO, BEFORE W GO INTO Q A ., OU HAG THOUGHTS FORS? >> YOUNOW, FOR ME THE RESEARCH AND EXOPLANET IS IN ITS GOLD RUS PHATTARTED 20 YEA AGO AND I JUSTUT NOTICE THAT CLAUSE ONHE PAPER WAS SAME ASHERE ON THE FIRST AND ANNOUNCED I995. SINCE THEN HAVE U OUSANDS OF T LITT UNDE 5,000 THEIME I CHECKED. THOUSANDHEM AREN THE HABITAB IL NOW HAV HAD THAT PLANE IN THE ZONE AANDING. IS GOINT A RAPID PACEUST BEC TELESCRE BUT THEELESCOPES W ARE ABOUT JAMES W TELESCOPE, BU ALSO TASKS THAT WILL BE THERE AND BEI PLAHT IN, REALLY OPENING OUR LENS. THE UNIVERSE AINON TO MANY CASES THESE EXO PLA I DOELIEVE THAT OFHE BESTCOPES THAT W GIVEHE INFORMAN THERE’SANY THINGS W KNOW. MANYE HAVE UP WHE SEE OBSERVATIONS. VERYYURE WAY MORENIMATIONS. TIFUL, WAYEZIN, AND SOTHE QUEION ISATED HERE.IT OUR LENS ANDHESE THINGS? UP HOW SO M DATA FRO KIND QUESTIONSTHAT ARE ABLE TO AND FOR M AT EN I AHAT START THO OFT THOUGH I G TO BED AT AND REAL IMAGOW THESE OTHER WORLD REALLY LOOIKE. OUT THE JUST LIKE THE HAVE COMMONALITIES WITH THE YOU COULD IMAGINE TORLDS. UST — RI NOW.THESE QUEIONS ABOUT ARE W ALONE? THEY ARE BEING ANSWERED AS SPEAK IN DECADEND NEXT DECADE. I’MREALLY ABOUT THIS. >> THANKS, THOMAS. WITH THA TRANSITION TO Q. AND.WE HAVE TON OF QUESTIONN CIAL MEDIA SO WE WILL GO THERE FIRST.OU WOULD LIKE TO A A QUES USING SOCIAL MED >> ALL RIGHT.HTAG ASK NA WE HAVE LTS OF QUESTIONS COMING IN. THIS FIT ONE COM FROM R JJAMS ASKS — W THE TOTAL AMOU OF POSSIBLYE PLANETS WE HALUDING THESE TRAPIS DISCOVE >> THE TOTBER ITOR NOT IS U ITEPENDS ON ASK AND COUNT WEHAT THE ARE, LET SAY, FEWEN EXO PLOU MIG CONSIDER IS THAT MANI’ THEME ABIT TOO A. WE REALY HAVE WAITNTIL W CA SEE MISFATHERS TO HOW H THEYES KN THAT’S THE ARE SO RELEECAUSE UNLIK LOTF OTRS, WE CAN ACTLY ASS TH NEARURE. >> WONDERF AL RIGHT. NE HERE COMES CONFIRMATIO WATER ONHE Y BODIES? >> I CAN HDLE O E HAS NOT BN ANYCONFIRMATION O D T WILLE O A LOT OF OBSER WITH HUBBR THE FUTURETH WEBB TO PROBE DETECT WATERN THELANETS. THAT PEOP ARE LOOKI >> YES. THEY AREOOKING. >> GREAT. TH QUESTION C FROMWITTER USER MATEW WHO AS –ILL THIS ONE OF THE OBSERVATIONSST AHOW MUCH CAN LEARN A TRAP E, F AND G UNTIL TT MISSIO LAUNC? >> I CANAKE THAT ONE W, A UM, LEARNING ABT THE SYSTE ABOUTBSERVING I WITH JWST A I FAIRLY CERIN THAT CYCLE ONE WILLEE SOME OBSERVATION ON ALMOST ATHE PLAN.ND TO A FURTHER EVEN NOW AREAKING OBSERROMND AND SPITZEL AT TIMING. BETTER MEASUREHAN WE HAVERRENTL. >> WE WILE ONE QUESTON ON E PHONT T WE WO BACK TO SOCIAL MEDIA. SO, I WASRING IF TACT THAT RED DWARFANS THA IT’S MORE LIKELYPORT PLATS THA POTENTI HAN, ERUPTIONS, THESE KINDF INGS? CAN TAKE TSO ULTRA ARE KNE UNG. THIS IS THEN CONCER ABOUT THE POTENTIALLY HAB PLANETS THEYULD HAVE THE SPHERE BEEN EROED STRONGLY BY TH. NOW IT’ QUIET BUT, Y, IET NOT VER A DITIONS WEREE. THAT WE WILL FIG THE NETSD WHAT – DURIY ACTI ANG ASE. >> I’LL JUST ADD THAT RE WHAT SAID T JUST SAY GREAT NEWS WE OBSERVE F WE K LONGER HAVE TO RELY BECAUSE NATURE USUALLY SMARTTHAS FOR A TO OTHOLD, WE LELIEVE I >> T WEILL GO BO SIAL MEDIA. >> ALL RIGHT. USER AMARA WHO ASKS — HAVE YOUE PLANETS YET? >> A NAME? >> LIKE AULAR NAME? >> WELL, WE PLENTY OF SSIBILITIEL RELAD TO BELGIUM BEERS BECOMEFFICIAL.–[ LAUGHTER] –D SO ON. ADMITTEDLY HAVE NO WAY Y GIVE O NAMESO EXOLANETS IN THE SAME ASTEROIDS B PERHAPST’S SOMET WE SHOULD TRITOGE. >>. TWITTER U DOES THE HAVE ANY MOO LVING AROUND NO, HOW C THERE B POSSIBLE WAVES W INDICATION OF THE MOO. AND, IF WE LOOK AT- IT WOU BE QUITE UNLIKELY TAVE A SOTO THE I THERETHERNETS STILLO TO FOUND SEE IN THE FUTURE. >> I’LL ADD FURTH THE TIL SURGES A NOT NEGLIGIBLE. THULD BE TES AS WELL. >> NEXO TO THE PHO AVE K FROMA W. KEITH? BEST FORION, PROBABLY I A LOOKIN PLANE ASSUME THE AREC TOGETHER REMIN ME OF JOVIAN SATURNIAN SYS S IS ANOTHER. AND SHOULD YOUER THESE E I AM A BIOLOGI LOOKING A WORLDS RO EACH OTH.ITABLE SHOULD WE BEH CONCEIHE BIOSPRE M ND BEYOND ONET LOSE THTHER? A WONDERFUL Q ANDE HAVEN’T THOUGHTAR BUT I’M T STUDENT STENING OUT THL WILL BACK U O STEP ANDWERA DIFF. W T THINK ABOUT INTELLIGEN CIVON ROOK WAR AL-AWLY E PLANETSRE, VENUS, ARTH AND MA. AND SEE’S OUT THE. GREAT QUESTIOND HOPEFULL SOMEBO WORK TH >> NEXT ON P LINES HAVE MARSHA DUNN FROM ASSOCIA ESS. HAVE A REA GOOD HANDLE O THE ATMORES OF THESE EXO PLANETS ?, I HAVE A FOLLOW-UP QUESTI YEAH. SUBSTANTIAAMOUNT OF PROGRESSIN F RANGE.E NEXTIVE YEA MOVINGO TO CONTINUE THE EXPLORA ATMOSPHERES WE C RESULTS, YOU KNOW, AND IISHETNK YOU. TIME SEV EEDTS AROUND ATAREIS. T THE WHAT IS THE RUNNER- TO HOWANYTH-SIZE PLANETS AROUND A THA YOUHAVE PRIOR? >> I THIT’S TWO OR THRE YEAH. >> MORE. FOUNDLAR. >> AND WHI DON’T REMEMBO MANY KEPLAR ANETS. >> OK. THANK YOU. MEDIA.O BOCIAL >> ALIGHT. UESTION FROM MISO’BRID TO ANSWER THE QUESTIO WHR THESE PLANARBOR LIFE? COULD WIT? >> SO, WEB HAS IUMENTS THAT COVERGTHSROM SORT O THE INFRARED THE THROUG FARTHER E SPECTRUM IN PARTIAS A LOT VERY POWERFUL SPECTROGRAPHSD ALS TRANSM PER ECTRTOMY ERE WE DETECL LIKE WATER, METHANE, ANDYGEN SOEA I TRYING TO D HABITY AND ALSO T P IT HARB I JUST WANT ADD ONEHING TO MILES AND EVERYONE OUT THERE HAVE THE CAPABILITYINDSIZE WE OF LIFE ELS. NATUR DELIVER. ANSEO NEWO THESE STARS WE DON’T NOTELY KNOW WHAT’ERE. NATUREDE LIFE UBIQUIT THERE ARE LOTS OF ATMOSPHERES WITHOUT STARS ACCUMULATION OF GASES WE’LL HAVE NOROUBLE FINDING AT ALL. BUT IF THE OPPITE IT A WHILE. ED TOD ONEORE POINT. WE HAVE TES MISSIO UPCOMING, OTHERHES. TRAP MOST EXCITING ON SO FAR BUT WE H CHANCES TIGNS OF LIFE IN THE F NEXT QUESMES FROM. SER CH SIM – IFBLE TO LISTNETM UR? EEARN AS MUCH A POSSIBLE? >> T K, IT WAS ALREY — BY C AND THEY NO SIGNAL, NO A SIGN DETECTED. SO IT’S DOABLE, BUT T NO SITED. >> NEXTSTION COMES FROM TWITTER USER SAWYER WHO ASKS — HOW FNTO THE FORESEEA FUTURE UNTT E? Q BECAUSE I REQUIRES S MANY THE. SEE JAMES WAS AY I THINK AB JAM WT REQUG LIKE 10 LES. KIND OF T HAD NEVERNE. AND KIND OF IT INTO AELESCOPE, YOU KNOW, WIT SIXALFE SYSTEM THA A TENNIS CRT IN THE ANSWER IS, OU START INVENTING YOUR WAY FOR THISUESTIONHAT’S BEING KED, MAYBE 100 MIRACLE TYPE OF QUES PRO RELATING TO THINGS THAT WE ARATI RTINGT.E GOOD NEWS THERE’S AOT OF WORK THAT’S BEING DIMENSN ON KIND OF FIRST FIVE TO0 MIRACLES THA BEINGOOKED NOT NLY BECAUSE WE OUR EES SET RIGH NOW ON INGUT BE LOOR EXAMPLE AT THE OUTER SYSTEM.WE GET THERE LOTER. ANT TO GET THERE W WE WANT T THERE MORE FORWARD.IT’S R BECAUSE IT 100 MG T WO BELIEVE NASL ABOUT. THATSO WHATO THIS KIND OFVERY INN KNOW. SPITZER ITSELF HA A W B OFIRACLES O DECTERS AND SYSTEM THE SA TRUE FESTION. >> I WOULD LCK TENTION OURLLEAGH FOUNDATIOJECT AR SHOT. YOU CANHAT UP AND SEE THAT THEG 19 ES TO FIGURE WAY SEND VERY TINYHF G THEERYEARESTRS. THAT WOULDXIMAT NOTUITE TS. IT SOUNDCOURAGING TH PE IN OUR LIFETE WE WHAVE A TO T IS-1, BUT WE ARE HERBECAUSE WEVI KATEEDPES. HUBB WEBND EV THAT’S WVE TO LIVEOR, WE STILL EXCI ABOUTG THE POSSIBILIT >> WE HAVE LOT OF QSTIONS ONEAVT SOCIAL MEDIA JUSTHEM COMING. JAS. E? URE. QUESTION COMES FROM AKUHO ASK- EIMATION ON HOW OLD THESEISCOVERED EXO >> THE AG THE A SYEM ITSS VERYN STRAINED. Years OLD.T WE SAYRE BAUSE E THIME IS TIMES LARGER THAN FOR A SUN-LI SO DON’TEE THEM EVO CAN’T STR A. >> THIS NEX WHAT IS THE DISTAN BETWEEN THES? SOMEING LIKE 500,000 KILOMETERS? AND RENCE E. AND THETAR? >> OH, THE DISTA BETWEEN THE PLANET FEW THE DI BETWEEN THE END THE MOON.E AREKING ABOUT SOGIKE AUSAND –LL, MILLIONS OFA HUNDREDS OF MILLIONS OF LIKEMETE FOR ARO THE AND F PLA F. E ., DISTANCEIS SETHING LIKE 5 BETWEEN EARTH AND SUN., IT’S MUCH, MUCH CLOSER T S STA. GREAT. THIS NEXTION CLOSEST TO WITH P IN THE H IN FACT THE ISROXIMANTER-E. IT WASETECTED BY ASURE WHICH DT TELLS THE SIZ AWAY.ONLY AT LIGHT YEARSIT’S A. IT IT CLOSEST STAR, FACT. RFUL. IS NEXT QUEST COMES TWITTER USE UNCONVE TIGER ASKS -OULD LIK TO KNOW THE RAN ORBITAL ETS. RANGE G FRO 1 Dates OR THE INNER MOST PLANET.ON’T KT OTHER PL MUST BE SOME LIKE 23. EARTH. THINK – THINKHAEL RATIOS., SO, I DEED A THEMSELVES ARETED RATIOS OF INTEGER NUMS. COTION WEND IN AROUND JUPITWS THAT INDICATES AT LEAST THESE PLANE SHOULDE FORMEE IF IT ISHE CASE, THEY ARE RICH T HAVE FORMED IH — AND BE RED IN COMPOSITION A KNOW SOONNKS TO NEW SPITZERRVATIONS .>> BEF WE TAKE MOREUESTIONS FROM MEDIA WOULD LIK TO ASK EF YOUO KIND OF THOUGHTSY THISIND SOMETHIN ENG ALLY AND WE WILL STAICKOLEND WORK WAY TO THOMA THISNG IS REALLY EXCITIN MEECAUSE THIS IS A GREORTUNITY TO UDY PLAI CAN G GOOD SIGNALS ANDATIOSAND Y IN TRYING TO UNDT THE S LIKEOCKYS REASONS.I’L GIVE TWOORITE WHEN I A OTHE PLANETS 20 GO OREERS ED WORK AS JT AMP CE FACT THAT HERE TODWITH SA STUEIR APHERES IN THE ISUS. ER POINTT TOAKE IS WE EXCITED WE ALL URSELVES HS JUST, AREROUP OF PEOPLE, MEANNG US AND AL OF O AS PIONEERS ACH THAT WILON F MAN JUE FACT THAT ARE CL FINANY HABITABLEORLDS IS REALL >> YEAH, SOOR MET’S MORE A VERD OF PERSONALENCE BECAUSWO.A EORK AND THE BEGINNING IT WASN’T CAR NECESS WE WOULD BE T ACHI PRECIS TO DO U SCIENCE LIKE THIS. IT’S VERY GRATIFYING T ALL OF OUD MYSELF, M LLEAGUES AT THE SPITZER CIENCE CENTER,. P.L. AND CKHEEDARTIN, THE ERS THERE, P YOU HAVE ABLE TO GREATAA TOCIENTISTS AND UT. VERY HAPY ABOUT T ALWAYS WONDERED ABOUT HEAVE IFEHERE SINCE STUDY SCIE FIRSTDOLOGY, AUSE I Demanded TO UNDERSTAND LIFE, B I RONOMY BECAUSIT BINNING THE EXO WE WERE DET PLANETS OUTSIDEM AND IT WAS CLEAR THAT WWOULD NOTE GIANT PLANETS WHICH WERENSUITABLE FO BUT PLANETSHAT LIFE – SO BEEN DEVOTD. G THERE WITH RESULT. ME.S VRY GOODATISFACTION F >> TKING FROM TH POINTOF VIE OFE EXCITI IT’S OF A LEAP FWARD. GH OTHER LEAP ARE TAKG RIGHT LOT’SAPPENING ATS WHERE WE A REALLY LOOKING THEPLEXHEMISTRY TT’S HAPPENI THERE. OOK AT THE RNITIOE THERE USEDE WATER BUT’S WATER TOD NT W INARALLEL TO T Y KNOW, THE RECHAV THE TECHNOLOGY, OF GOING TO EUROPA ANDOOKING AT THAT SYSTCH IS, INS OWN RIGHT, Y AN EXCITING STEM.USE, THERE’SEAN W THERE H THE R BOOM IN A REA UNE CE. THERE’S MANY OTHER PLACES LI HAT. OF T’S A Huge Sum OF PROESS. TOGETH, THESEY E ASCENDO TOWART ING THAT QUE THAT HAS BEEN ON OU M FOR S LONG. THIS ISO THATSTION. IT IS THE R TO THISOW. >> THANKI AM AID THA TIME WE HAVE LEFT. PLEASE KEE QUESTIO BY AT THE HASH ASKASA. AND, FOR MOR INFORMATION, AND TOOAD THE EX PLANETS APP EARLIER, PLEASE GO TO NASA.GOVXOPLANET AND ALSO DON’T FORGET TOOLLOW US ON O VAOUS SOCIAL A.

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