| Piú votate - MOON |
APOLLO 17 AS 17-147-22454.jpgAS 17-147-22454 - Good-Bye America! (3)98 visiteRev. 12, CSM America from LM Challanger; west of Becvar Crater.
(1 voti)
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APOLLO 14 AS 14 68-9487.jpgAS 14-68-9487 - The Lunar Module...in the distance (2)124 visitenessun commento
(1 voti)
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APOLLO 12 AS 12-46-6786.jpgAS 12-46-6786 - The RTG Package132 visiteCaption NASA originale:"At about 116:40:44 (MCT-->Mission Clock Time), Al is pivoting the RTG fuel cask into the horizontal position. The graphite-lined cask contains a plutonium fuel element and was designed to protect the element in the event of a launch abort and re-entry. Once he has the cask lowered, Al will use a special tool to remove the protective dome on the cask and then to remove the fuel element for placement in the RTG. Note that the SEQ bay doors are closed. The object just beyond Al is the Handtool Carrier which he took out of the SEQ bay after the RTG package".
(1 voti)
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00-SMART1.jpgSMART-1 and the Moon80 visiteSMART-1's science payload, with a total mass of some 15 Kg, features many innovative instruments and advanced technologies. These are:
- AMIE, a miniaturised HR camera for Lunar Surface imaging;
- SIR, a Near-Infrared Point-Spectrometer for Lunar mineralogy investigation;
- D-CIXS, a very compact X-ray Spectrometer with a new type of detector and micro-collimator which will provide fluorescence spectroscopy and imagery of the Moon's surface elemental composition;
- XSM, an X-ray monitor to support D-CIXS by providing measurements of solar X-ray emission for calibration:
- KaTE, an experiment aimed at demonstrating deep-space telemetry and telecommand communications in the X and Ka-bands;
- RSIS, a Radio-Science Experiment relying on KaTE. It monitors the electric propulsion by means of tracking techniques. In lunar orbit it will, with AMIE, also study the Moon's libration.
(1 voti)
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0-SMART-1.jpgSMART-1 and the Moon93 visiteThe solar electric primary propulsion on-board SMART-1 is a Stationary Plasma Hall-effect thruster, the PPS-1350 developed by SNECMA, France. Using Xenon gas as propellant and the power from the spacecraft's solar arrays, the thruster is capable of providing a thrust of something like 70 milliNewtons. Using the thrust of the electric propulsion system, SMART-1 progressively expanded its orbit, spiralling out from Earth and was caught by the Moon's gravitational field on 15 November 2004, nearly 14 months after launch. In order to enhance the capture opportunities and to save precious fuel, SMART-1 also made use of celestial mechanics, including Moon resonances and swing-bys. The spacecraft exploited the unstable regions of space where the gravity field of Earth and Moon compete and which are normally avoided by conventional trajectories. It passed through the L1 point of the Earth-Moon System which allowed for the spacecraft to be caught by the Moon's gravity.
(1 voti)
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07-Smart-1_lunar-eclipse_family-portrait.jpgMother Earth and a Lunar Eclypse from Space110 visiteIl sostentamento di una Colonia Lunare (o Marziana, o posta su qualsiasi altro corpo celeste diverso dalla Terra) è, viste le nostre caratteristiche biologiche, le tecnologie disponibili ed i fabbisogni energetici, legato alla possibilità di avere "acqua" a disposizione.
E allora c'è acqua sulla Luna? Forse si ed infatti, accanto a queste zone di luce eterna, ve ne potrebbero essere altre - magari poste sul fondo di grandi crateri - in cui regna il buio eterno e, di conseguenza, il gelo eterno. Un'oscurità ed un gelo perpetui assolutamente necessari affinchè alcune zone della Luna possano essere state capaci di catturare e conservare, attraverso le ere, il ghiaccio d'acqua portato sul nostro Satellite, p.e., dalle comete che lo impattarono.
Bisogna quindi trovare dei "Giacimenti di ghiaccio d'acqua": ecco la chiave di volta per arrivare, in tempi ragionevoli, alla creazione di insediamenti umani permanenti sulla Luna e Marte, i primi due 'outpost' del Genere Umano nel Sistema Solare.
(1 voti)
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APOLLO 16 AS 16 113-18329 HR.jpgAS 16-113-18329 - The Lunar Module and the Rover (HD)118 visiteAlta Definizione per questa ripresa del Lunar Module e, alle sua spalle, del Lunar Rover; siamo agli inizi dell'EVA-1.
(1 voti)
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03-PythagorasCrater-1.jpgPythagoras Crater155 visiteCaption ESA originale:"This mosaic view of Pythagoras is composed of images taken by the AMIE camera during two successive orbits on 29 and 30 December 2004 from an altitude of ~ 4000 Km.
Pythagoras is a 120 km diameter complex large Lunar Crater characterized by a relatively flat crater floor, a central peak and terraced walls.
The terraced walls height reaches 5000 mt."
(1 voti)
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01-P-SMART1-hires_34602.jpgThe Moon from SMART-1: a little geography99 visiteCaption ESA originale:"On 29 January 2004, between 20:00 and 21:19 UT, images of the first quarter moon were taken through several filters by the AMIE instrument. The result is a small, but impressive, image revealing, clockwise from the top: Mare Serenitatis, Mare Tranquillitatis, Mare Fecunditatis and Mare Nectaris, with Mare Crisium also visible near the limb".
(1 voti)
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49-Rangers9.jpgThe last images from Ranger 988 visiteCaption NASA originale:"This image shows the last 2 pictures taken by Ranger 9 before impact onto the Lunar Surface. The images show the floor of Alphonsus Crater at 12.84° S, 2.39° W. North is at 1:00 in both images. The top image was taken by camera P3 at a distance of 600 m just 0,25 seconds before impact. The frame is about 70 m across. The lower frame is from camera P1. It includes most of the area on the left of the P3 frame and was taken from 1,2 Km 4,5 seconds prior to impact. The image is approximately 50 meters across. Part of the P3 frame is missing because Ranger 9 did not finish transmitting before impact. These were the last images from the Ranger Programme, which ended with this Mission (Ranger 9, P012)".
Location & Time Information
Date/Time (UT): 1965-03-24 T14:08:19.5
Distance/Range (km): 1
Central Latitude/Longitude (deg): -12.84, 002.39 W
Orbit(s): Impact - Hard Landing
(1 voti)
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47-Ranger9.jpgThe "Central Peak" of Alphonsus Crater89 visiteCaption NASA originale:"Ranger 9 image taken 54 seconds before impact. The upraised area at lower center is the central peak of Alphonsus Crater floor. This image was taken from a distance of 136 Km. The impact point of Ranger 9 is to the right of the central reticle, about 60% of the way from the central reticle to the edge of the frame. The image is 60 Km across and North is at 12:30 (Ranger 9, A060)".
Location & Time Information
Date/Time (UT): 1965-03-24 T 14:07:26
Distance/Range (km): 135.96
Central Latitude/Longitude (deg): -13.04, 003.06 W
Orbit(s): Impact - Hard Landing
(1 voti)
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46-Ranger9.jpgApproaching Alphonsus Crater82 visiteCaption NASA originale:"Ranger 9 image of Alphonsus Crater (diameter 108 Km) from a distance of 442 Km, taken about 3 minutes before impact in the upper right portion of the crater. At left is the northeastern edge of Mare Nubium. The crater adjacent to Alphonsus at the bottom is the 39 Km diameter Alpetragius. Davy Crater is at upper left. North is at 12:30. Ranger 9 impacted the Moon on 24 March 1965 at 14:08:20 UT (Ranger 9, A035)".
Location & Time Information
Date/Time (UT): 1965-03-24 T 14:05:18
Distance/Range (km): 442.26
Central Latitude/Longitude (deg): -13.443, 004.79 W
Orbit(s): Impact - Hard Landing
(1 voti)
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