[tag=NN | lemma=for] [□]
[tag=NN | lemma=for] [□ | □]
[tag=NN | lemma=for] [□=□]
Their data show that the lunar core contains less than four percent of the Moon 's total mass , with the probable value being two percent or slightly less . Most of his day is spent trying to convince Java to play with XML . One theory is that these impacts produced a cloud of electrically charged gas that expanded around the Moon in about five minutes , compressing and amplifying the pre-existing , primitive ambient magnetic field on the opposite side . Scientists think hydrogen is most likely bound up in water molecules in the lunar soil , trapped frozen in regions of craters near the poles that never see direct sunlight . " The data show clearly where the hydrogen is , " Feldman said . Content is stored in a digital format , often as a collection of standards , including PDF , TIFF or Postscript files .