Clouds of Sand
Can condense, grow and disappear in some extraterrestrial atmospheres
A New Look at Old Data
Shows that clouds made of hot silicate minerals are common in celestial objects known as brown dwarfs.
Astronomer Stanimir Metchev
“This is the first full contextual understanding of any cloud outside the solar system,”
Clouds Come in Many
Flavors in our solar system, from Earth’s puffs of water vapor to Jupiter’s bands of ammonia.
Dwarf Planets Are
Dim, ruddy orbs that are too large to be planets but too small and cool to be stars.
Astronomers Used Nasa’s Spitzer
Telescope to observe brown dwarfs and spotted spectral signatures of sand — more specifically, grains of silicate minerals such as quartz and olivine.
Floating in One of These
Clouds would feel like being in a sandstorm, says planetary scientist Mark Marley of the University of Arizona in Tucson