41.   This is because the air near the landing site is clear and very cold, according to the latest information from earth observatories.

42.   Thus, short-term forecasts for the landing sites must be accurate.

43.   When geese leave the salt ponds to feed during such weather they usually fly high and carefully inspect possible landing sites.

44.   Poor weather was expected at the backup landing site in Southern California.

45.   A backup landing site at Edwards Air Force Base in California was called up.

46.   A backup landing site at Edwards Air Force Base in California could be called up Tuesday.

47.   A landing site for the next Mars probe, which arrives on Mars in December, will be determined over the next few months using Surveyor data.

48.   Across the country, at an alternative landing site at Edwards Air Force Base in California, the sky was overcast and rain was moving in.

49.   As a result, predictions for its landing site changed frequently as readings measuring its rate of fall and angle into the atmosphere varied from minute to minute.

50.   As the news spread, hundreds of villagers assembled at the landing site.