The El NiÃ±o provided NASA and NOAA an unprecedented opportunity to test the effectiveness of this new observation tool. OCO-2 is NASAâs first satellite designed to measure atmospheric carbon dioxide with the precision, resolution, and coverage necessary to quantify regional carbon sources and sinks.
Definition of LAVA FLOW. : a stream or sheet of molten or solidified lava. ADVERTISEMENT. This word doesn't usually appear in our free dictionary, but the definition from our premium Unabridged Dictionary is offered here on a limited basis.
Noun. 1. lava-rock that in its molten form (as magma) issues from volcanos; lava is what magma is called when it reaches the surface. aa-a dry form of lava resembling clinkers. pahoehoe-freely flowing lava. pillow lava-lava that hardened in rounded shapes suggestive of pillows; believed to result from underwater eruptions.