Philae (chwiliedydd): Gwahaniaeth rhwng fersiynau

Cerbyd glanio'r [[Asiantaeth Ofod Ewropeaidd]] yw '''''Philae'''''<ref>{{cite dictionary |url=http://dictionary.reference.com/browse/philae |title=philae |encyclopedia=Dictionary.com Unabridged |publisher=Random House |accessdate=13 NovemberTachwedd 2014}}</ref><ref>{{cite news |url=http://www.cnn.com/2014/11/12/world/comet-landing-countdown/index.html |title=''Space probe scores a 310-million-mile bull's-eye with comet landing'' |work=CNN |first=Ralph |last=Ellis |date=12 Tachwedd 2014 |accessdate=13 Tachwedd 2014}}</ref> Gellir ei ddiffinio fel cerbyd robotaidd gan fod ganddo elfen o reoli ei hunan, wedi iddo lanio. Fe'i cludwyd ar ei daith gan y [[cerbyd gofod]] [[Rosetta (cerbyd gofod)|''Rosetta'']]<ref name="NYT-20140805">{{cite news |url=http://www.nytimes.com/2014/08/06/science/space/rosetta-spacecraft-set-for-unprecedented-close-study-of-a-comet.html |title=''Rosetta Spacecraft Set for Unprecedented Close Study of a Comet'' |work=[[The New York Times]] |first=Kenneth |last=Chang |date=5 Awst 2014 |accessdate=5 Awst 2014}}</ref><ref name="NYT-20141123-ED">{{cite news |url=http://www.nytimes.com/2014/11/24/opinion/in-pursuit-of-an-oddly-shaped-comet.html |title=''In Pursuit of an Oddly Shaped Comet'' |work=[[The New York Times]] |date=23 Tachwedd 2014 |accessdate=23 Tachwedd 2014}}</ref> nes y glaniodd ar [[comed|gomed]] [[67P/Churyumov–Gerasimenko]], dros ddeg mlynedd wedi iddo adael y Ddaear.<ref name="Biele2002">{{cite journal |title=The Experiments Onboard the ROSETTA Lander |journal=''Earth, Moon, and Planets'' |first=Jens |last=Biele |volume=90 |issue=1–4 |pages=445–458 |year=2002 |doi=10.1023/A:1021523227314 |bibcode=2002EM&P...90..445B}}</ref><ref name="NASA-201401017">{{cite web |url=http://www.jpl.nasa.gov/news/news.php?release=2014-015 |title=Rosetta: To Chase a Comet |publisher=[[NASA]] |last1=Agle |first1=D. C. |last2=Cook |first2=Jia-Rui |last3=Brown |first3=Dwayne |last4=Bauer |first4=Markus |date=17 Ionawr 2014 |accessdate=18 Ionawr 2014}}</ref> Yn Nhachwedd 2014, ugain munud wedi iddo lanio, darganfu synhwyryddion sbectromedreg màs ar Philae [[polymer]] [[organig]] (sef polyoxymethylene) yn y llwch oedd ar wyneb y comed. Mae'r polymer hwn (sydd wedi'i wneud o [[carbon|garbon]], [[hydrogen]] ac [[ocsigen]]) hefyd i'w canfod oddi fewn i [[moleciwl|foleciwlau]] biolegol [[organebau byw]], ac felly mae'r canfyddiad hwn o bwys mawr i wyddoniaeth ac yn newid ein gwybodaeth am sut y cychwynodd bywyd.<ref>''The Independant''; 31 Gorffennaf 2015; tudalen 23</ref>