Stellar outburst brings water snowline around a young star into view
A violent outburst by the young star V883 Orionis has given astronomers their first view of a water “snowline” in a protoplanetary disk — the transition point around the star where the temperature and pressure are low enough for water ice to form. An abrupt increase in the brightness of the star “flash heated” the inner portion of the disk, pushing the water snowline out much farther […]