lunar造句(31) The nineteen-year cycle depends on the discovery that nineteen solar years are very nearly equal to 235 lunar months.
(32) Where once this corner of the island was swaddled in green, a lunar landscape now stands.
(33) Sufficiently large impacts can hurl crater ejecta to any point on the lunar surface.
(34) They were 16 pages long and looked like the floor plans for the lunar shuttle.
(35) Apollo 10 took a lunar module along as well and flew it to within nine miles of the surface.
(36) Their proposed Lunar Tours will be the first series of commercial space flights to the moon.
(37) Solar and lunar eclipses, however, occurred far too rarely to provide any meaningful aid to navigation.
(38) Some sites are astronomical calendars, others lunar observatories, showing the scientific abilities of prehistoric man.
(39) Alternatively, arrays of solar cells may be made on the Moon out of lunar materials and only the power exported.
(40) They found that 309 lunar months were almost equal to twenty-five civil years.
(41) The five Lunar Orbiter spacecraft, launched at three-month intervals in 1966 and 1967, were all outstandingly successful.
(42) The lunar far side is much closer in character to the highlands of the near side.
(43) Lunar dirt can easily be used as radiation shielding, and metals can be made as a byproduct of oxygen production.
(44) Logistic considerations make the Moon a very attractive base of operations if ice is abundant in the lunar polar regions.
(45) His longtime sailboat, named Apogee in honor of his lunar Apollo flight, is for sale.
(46) Among the refractory materials found in the lunar samples are refractory compounds of uranium and thorium.
(47) Astronauts discovered that finding their way about on the lunar surface was often harder then they expected.
(48) This is a feat of mythic proportions, comparable to extracting gold from sea water-or helium-3 from the lunar regolith.
(49) It was always thought that the lunar module would essentially be a skin wrapped round the tanks and equipment needed.
(50) It shows the moon's state every day of the year, as well as solar and lunar eclipses.
(51) But whereas the mare basalts are too dense to represent the lunar mantle, the highland rocks are not dense enough.
(52) With these words of faint praise, Maskelyne tactfully conceded a few major flaws in the lunar distance method.
(53) It is a clear day, which should be ideal for watching the lunar eclipse that is expected tonight.
(54) A more formally established lunar mission steering group was convened at Langley during 1960.
(55) The high-temperature electrolysis scheme that we explored in connection with a lunar base can separate carbon dioxide into oxygen and carbon monoxide.
(56) The most obvious source of the necessary electrical energy would be solar panels set out on the lunar surface.
(57) And finally, don't miss Albuquerque's amazing punk band, playing tonight at the Lunar Club.
(58) The answer is C acceleration. as far away as and four times the lunar mass.
(59) In order to separate a lunar effect the team looked at the lunar day, the position of the Moon.
(60) There seemed to be fluctuations and cycles, from one of about twenty seconds to one corresponding to the monthly lunar cycle.