Grímsvötn is a volcano in South-East Iceland. It is in the highlands of Iceland at the northwestern side of the Vatnajökull ice-cap. The caldera is at at an elevation of m ft). Beneath the caldera is the magma chamber of the Grímsvötn volcano.
Farthest Ever View of the Universe: Called the eXtreme Deep Field, or XDF, this photo was assembled by combining 10 years of NASA Hubble Space Telescope photographs taken of a patch of sky at the center of the original Hubble Ultra Deep