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.
Aa (pronounced âah-ahâ) lava is more solidified and flows sluggishly compared to its more fluid counterpart, pahoehoe. Aa consists of rough, jagged, uneven pieces that tumble forward and over each other as the flow moves down the slope.