startxref Apollo 11, U.S. spaceflight in which astronauts Neil Armstrong and Buzz Aldrin became the first people to walk on the Moon. Apollo 11 - Day 8 Part 2 (Full Mission)24th July 1969 - The video starts at GET 185h 25m some 9.5 hours before re-entry. CAPCOM Roger. As they manoeuvre, the signal from the spacecraft weakens and becomes noisier. The sextant's arrangement has a fixed line of sight which can be rotated 360° around a shaft, giving the shaft angle. It is unclear what Buzz means by 'P23 damage'. 0000000989 00000 n 0000009594 00000 n Day 3 . The Atlantic Ocean dominates the view with the South American continent at the lower part of the globe. %%EOF That’s one small s… PAO Buzz Aldrin reporting that he’s halfway into the LM. Tower clear. That reading was the difference in pressure between the Lunar Module cabin and the Command Module cabin. If the spacecraft is rolling in its Passive Thermal Control mode, a set of four omnidirectional antennae mounted at 90° intervals around the periphery of the CM are brought into play. Apollo 11: This past week marked the 50th anniversary of Apollo 11. Apollo 11 passes into Earth's shadow at 194:36:41 and around that time, Buzz takes some 16-mm footage of a very thin crescent disappearing into black. This clip is kindly donated by Mark Gray. The normal range for combustion pressure (i.e. However, since a valve in the LM's overhead hatch has been deliberately left open, the reading will reflect the pressure in the LM cabin also. The second day of the Apollo 11 mission saw the spacecraft on course for the moon. That can be seen in the first part of the clip below – the remainder of the clip is discussed later, after 195:03:06. It’s available in 4K and HDR and is one of the most amazing films I’ve ever seen. The sextant's optical magnification is 28 times, which makes it an excellent instrument with which to study the now distant Earth. The trunnion angle is then reduced to bring the image of the same star through the Star Line Of Sight (SLOS) to be superimposed on the LLOS image. Normally only two of these antennae are used; B and D on opposite sides of the spacecraft, but these have to be switched every 10 minutes as the spacecraft rotates. With William F. Naumann. NASA.gov brings you the latest images, videos and news from America's space agency. Apollo 11 est une mission du programme spatial américain Apollo au cours de laquelle, pour la première fois, des hommes se sont posés sur la Lune, le 21 juillet 1969. We are showing an orbit now of 107 by 105.7 nautical miles and an orbital period of 1 hour, 28 minutes, 30 seconds. %PDF-1.3 %���� When Mike docks with it and retracts the probe, the AGS senses the attitude change and begins to fight it. When the CMP measures the angle between a star and a planet's horizon, he has to tell the computer whether he's measuring to the horizon nearest the star or furthest from the star. We're showing spacecraft weight now as 96,159 pounds [43,617 kg]. Sounds from Apollo 11 "We have a liftoff": Commentary: Thirty seconds and counting. One instance of this prompts McCandless to think that the crew were calling. 0000009023 00000 n 0000007795 00000 n 0000002821 00000 n His accuracy in this instance is excellent as shown by a display of 'all balls' for Noun 05, the star angle difference. It hasn't gone quite as expected. 0000005181 00000 n This is Apollo Control at 2 hours, 8 minutes into the mission. North is right and the African continent is prominent. Day 2 . Neil has the LM holding its attitude using the AGS. The crew switch their communications to operate through one of the Command Module's omnidirectional antenna, Omni A. In the next chapter, they resume viewing the Earth as the spacecraft rotates in Passive Thermal Control mode. EAGLE Looking good. Image measurement and triangulation suggests that four photographs are taken around this time. This dish antenna can automatically track a ground station by sensing when it is going slightly off track. North is right and the African continent is prominent. It was set to the value of Delta-V. Download MP3 audio file. Mike is carrying out a realignment of the spacecraft's guidance platform using Program 52 in the computer. In the middle of this pause, there seems to be some very low-level modulation that might be Buzz trying to talk on the air/ground. 0000005218 00000 n Finally, if you are a true NASA space nut…you can DOWNLOAD the … The regularly scheduled time for the television transmission is 6:47 pm Central Daylight Time, and we are anticipating that that transmission will occur as scheduled. Image by LPI, AS11-36-5353 - Earth at about 181,000 km or 98,000 nautical miles. Animation of AS11-36-5354 and 5355 to show the rotation of the planet between the two photos. This display is static. Directed by Olaf Held. To take the PAO's explanation further, star 40 is Altair (Alpha Aquilae). As a check of their attitude, the manoeuvre PAD included a star, number 30 (Menkent, Theta Centaurus) that ought to be in the sextant's field of view when the spacecraft is properly orientated and the instrument's shaft and trunnion angles are as prescribed. Spain and western Sahara are near the terminator. From these sightings, he determines how far the platform has drifted since the last P52 15 hours ago. As Buzz talks to Mission Control, music can be faintly heard in the background each time he keys his microphone. Image by LPI. 0000001637 00000 n L'agence spatiale américaine, la NASA, remplit ainsi l'objectif fixé par le président John F. 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