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|Anonymous User (login or join us)| After its initial eruption
on May 2, 2008, Chile's Chaiten Volcano earthobservatory.nasa.go
v/NaturalHazards/natural_hazards_v2.php3?img_id=14815 remained
active in the days and weeks that followed, releasing a near-
constant plume and blanketing the region in ash. On May 31,
2008, the Advanced Spaceborne Thermal Emission and Reflection
Radiometer asterweb.jpl.nasa.gov/ (ASTER) on NASA's
terra.nasa.gov Terra satellite passed overhead and captured this
image. This false-color image was acquired at night, and it uses
thermal radiation -- light that our eyes cannot see, but which
we can feel as heat -- to make an image of the volcano and its
surroundings. In this image, the lighter the color, the higher
the temperature. Not surprisingly, the hottest area in this
picture is at the lava dome in the volcano's caldera. The
slightly darker arc to the west may be