the gravitational releasing of the sun on space 's stir cooler the leaves
when_water is heated_becomes_water_vapor. universe has sun_and_earth cosmic_dust is cloud. global_warming is opening_northwest_passage_to_china. outside_atmosphere is called_outer_space. closed_universe is not universe. expansion_of_universe is not speeding_up. closed_universe is universe. cosmic_dust is not cloud. expansion_of_universe is speeding_up.