This article originally appeared on Culture24.
All eyes are on a comet 261 million miles away as the world follows the progress of a daring space mission by a lander, named after an obelisk held at a National Trust propertyClick on the picture to launch the gallery
Separation was confirmed at ESA's Space Operation Centre, ESOC, in Darmstadt, Germany at 09.03 GMT © ESA - J Mai
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Taken back in 2002, this image shows Rosetta being checked in ESA's Test Centre in Noordwijk, the Netherlands © ESA
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It takes the radio signals from the transmitter on Rosetta 28 minutes and 20 seconds to reach Earth © ESA - J Mai
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© ESA - J Mai
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Comparing Comet 67P/Churyumov–Gerasimenko with the city of London © ESA/Rosetta/Navcam; Map data 2014 Google, Bluesky
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Comparing the comet with the city of Rome. © ESA/Rosetta/Navcam; Map data 2014 Google, Bluesky
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Rosetta's OSIRIS narrow-angle camera captured this parting shot of the Philae lander © ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA
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© ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA
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Rosetta's lander Philae took this parting shot of its mothership shortly after separation © ESA/Rosetta/Philae/CIVA
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One of the many pits seen on the surface of the comet © ESA/Rosetta/NAVCAM
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Relatively smooth, flat-topped plateaus that stand above the rugged surface on the larger lobe © ESA/Rosetta/NAVCAM
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This scene features the boulder named Cheops, the largest and brightest boulder © ESA/Rosetta/NAVCAM
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This unusual view takes a side-on look down the smaller lobe © ESA/Rosetta/NAVCAM
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This ridge traces up to a peak in the distance, through a cascade of boulders © ESA/Rosetta/NAVCAM
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This shot was captured from a distance of 9.8 km from the centre of the comet © ESA/Rosetta/NAVCAM
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A dramatic view across the body of the large lobe © ESA/Rosetta/NAVCAM
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Cliffs of the comet's large lobe rise from the shadows © ESA/Rosetta/NAVCAM
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The pit-laden comet is growing ever-closer to the sun © ESA/Rosetta/NAVCAM
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A faint stream of gas and dust can be seen, showing that an active region is nearby © ESA/Rosetta/NAVCAM
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Rosetta mission poster showing the deployment of the Philae lander © ESA/ATG medialab; Comet image: ESA/Rosetta/Navcam
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The image of the comet was taken with the navigation camera on Rosetta (ESA/Rosetta/NavCam) © ESA/ATG medialab
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