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#blueghost

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Première mondiale à #Calern (site #oca) la station de télémétrie laser #MéO localise le lander Blue Ghost sur la #Lune en un temps record !

Seulement 27 heures après l'alunissage de la mission #blueghost des chercheurs @CNRS_INSU de @umrGeoazur #LTE-ObsParis ont mesuré avec une précision remarquable la distance séparant la #Terre du nouveau réflecteur NGLR-1.
Cette prouesse technologique ouvre de nouvelles perspectives pour la physique fondamentale et l'étude de la Lune
insu.cnrs.fr/fr/cnrsinfo/premi

CNRS Terre & UniversPremière mondiale à Calern : la station laser MéO localise le lander Blue Ghost sur la Lune en un temps recordUn jalon historique vient d'être franchi dans la télémétrie laser Terre-Lune.
Replied to HuisOpDeGaard 🇾🇪 🇪🇺 🇺🇦

@huis
"Mission mode change detected, now in Monument Mode

Goodnight friends. After exchanging our final bits of data, I will hold vigil on this spot in #MareCrisium to watch humanity's continued journey to the stars.

Here, I will outlast your mightiest rivers, your tallest mountains, and perhaps even your species as we know it.

But it is remarkable that a species might be outlasted by its own ingenuity.

[...]

Per aspera ad astra!

Love, #BlueGhost"

Continued thread

The moment the #BlueGhost went silent at 23:15 UTC tonight as observed with the Bochum dish: x.com/amsatdl/status/190141699 - ten minutes later Firefly Aerospace distributed the 'final message' x.com/Firefly_Space/status/190 but it isn't clear if or when it was actually transmitted from the Moon. And we also weren't told whether the planned post-sunset observations of the lunar horizon were carried out and whether any data were received before the battery died.

Continued thread

Here is a time-lapse video posted by Firefly Aerospace of the solar eclipse and "diamond ring" seen by the Blue Ghost Lander last night.

The glowing ring of the eclipse is also reflected on the solar panel.

The large ring seen in the reflection on the solar panel is clearly an artifact.

Earth looks small because of the wide angle lens.

#BlueGhost healthily survived the ~2 hours of totality with little sunlight to charge its batteries.

youtube.com/watch?v=M2P-z_cXsO
fireflyspace.com/news/blue-gho
8/n

Continued thread

And here it is, the first picture of a total #SolarEclipse from the surface of the Moon since 1967, taken by the #BlueGhost this morning: flickr.com/photos/fireflyspace - remember that this may look like your typical #DiamondRing picture at first, but with a total eclipse from Earth caused by the Moon the latter has the same size as the Sun, and it's the bright inner corona that closes the ring. Here it is the Earth's atmosphere forward-scattering sunlight and totally overwhelming the corona.

During tonight's total #LunarEclipse the #BlueGhost lander on the Moon will try to observe a #SolarEclipse by the Earth: see fireflyspace.com/news/blue-gho (13 March update) for details. The only such observation from the lunar surface so far had been perforned by Surveyor III in 1967 (left image; see facebook.com/groups/SolarEclip for what's going on) - and even Blue Ghost's wide-angle camera should see at least as much detail of the backlit atmosphere as its March 3rd Earth image on the right demonstrates.