R1 Crossword

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Across
  1. 3. - an angular measurement equal to 1/3600 of a degree or 1/60 of an arcminute
  2. 6. - matter in particulate form.
  3. 10. - the action or process of calibrating an instrument or experimental readings.
Down
  1. 1. - the breeding of specimens of a plant or animal by natural processes from the parent stock.
  2. 2. - the place at which independent and often unrelated systems meet and act on or communicate with each other the man-machine interface.
  3. 4. - a family of wired computer networking technologies commonly used in local area networks (LAN), metropolitan area networks (MAN) and wide area networks (WAN)
  4. 5. - the SI unit of luminous intensity. One candela is the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540 × 1012 Hz and that has a radiant intensity in that direction of 1/683 watt per steradian.
  5. 7. - the point in the sky or celestial sphere directly above an observer.
  6. 8. - Night sky brightness
  7. 9. - the action or process of flowing or flowing out.