{
 "slug": "nasa-uap-d5",
 "title": "NASA-UAP-D5-Apollo-17-Crew-Debriefing-for-Science-1973",
 "agency": "NASA",
 "year": "1973",
 "page_count": 3,
 "source_page": "https://wearenotalone.space/document/nasa-uap-d5/",
 "original_file": "https://wearenotalone.space/Season 01/Release_1/NASA-UAP-D5-Apollo-17-Crew-Debriefing-for-Science-1973.pdf",
 "license": "U.S. Government work — public domain. Text is machine OCR from the original scan; the page image is authoritative.",
 "pages": [
  {
   "n": 1,
   "image": "https://wearenotalone.space/transcripts/nasa-uap-d5/p01.jpg",
   "text": "* APOLLO 17\n-CREW DEBRIEFING\n-\n-\n-\nFOR SCIENCE\nJANUARY 8, 1973\nMSC-07632\nSIGNATOR\nLOC\nI\\JS\noso-44,=:-\nMANNED SPACECRAFT CENTER\nHOUSTON.TEXAS"
  },
  {
   "n": 2,
   "image": "https://wearenotalone.space/transcripts/nasa-uap-d5/p02.jpg",
   "text": "ll9\nHENRY\ngravitationally holding it together°\nWe though it might be\n(CONT D)\nin the form of ionized hydrogen.\nWe looked for Lyman-alpha\nradiation, red shifted from the ionized hydrogen, and we\ndidn't see any.\nWe set a lower limit, which\ncertainly ex-\ncludes the possibility that the Coma cluster is held together\nJ\nby this ionized hydrogen.\nI think that may leave a real\nmystery\nas to what\nis holding the thing together.\nThe fourth point may turn out to be the most interesting\nthing of all.\nWhen you look in the Milky Way, you see a\nlot of UV coming from the stars, but the question is, what\ndo you see when you look up to the North Galactic Pole or\ndown to the South Galactic Pole.\nOne of the most exciting\nresults of X-ray astronomy was the fact that an X-ray back-\nground was observed over the sky that nobody had expected,\nand part of this is the gamma-ray background that Dr. Trombka\ntalked\nabout.\nIn the UV, nobody knows, but you never know\nuntil you look.\nYou do have to deal with this background\nof stars that we know is there.\nSo we\ndid look at a large\nnumber of different points at high galactic latitudes, both\n.\nnorth and south.\nThe spectrum that we\nsee is above this\ndark count.\nIn other words, this abnormally high dark\ncurrent did not, in fact, interfere with that experiment.\nThe spectrum that we\nsee looks like the spectrum of the hot\n'"
  },
  {
   "n": 3,
   "image": "https://wearenotalone.space/transcripts/nasa-uap-d5/p03.jpg",
   "text": "120\nHENRY\nstar; however, we know that there were no hot\nstars within\n(CONT'D)\nour field of view.\nTherefore, the most conservative inter-\npretation, I think, is that what we're\nseeing is light from\nhot stars in the galactic plane going up out of the plane\nand reflecting off interstellar dust.\nThere are certain\ncharacteristics of the spectrum, though, that don't fit that\ntheory, and it's at least possible that this is extragalactic\nradiation.\nI'm looking forward very much to the detailed\ncomputer study of this, but it's going to take a long time.\nFifth point:\nLyman-alpha hydrogen radiation is a completely\nseparate problem, and Gary Thomas at the University of\nColorado and Charles Barthum [?] observed this from OGO-5.\nWe obtained Just an enormous amount of data on the Apollo\nthat's going to straighten out this picture and clarify it\nconsiderably.\nThis is hydrogen that is inside our solar\nsystem.\nIt's sunlight reflecting off this.\nThe hydrogen,\nGary Thomas thinks, is hydrogen from interstellar space\nstreaming through the solar system, and he is looking for-\nward with great anticipation to getting detailed analyses\nof that.\nOne more thing:\nthe spectrum of the Earth.\nI keep saying\n\"we\nbut these were the guys that were there.\nWe looked\n?\nat the Earth from outside.\nA lot of people have observed\n\""
  }
 ]
}