It's currently impossible to probe beneath the icy crust of a planet like Pluto, but if Ceres does have an exposed frozen (once subsurface) ocean,
that gives planetary scientists a useful proxy.
Porco called on other scientists on the panel to come up with a «working definition» of life that could
give planetary scientists guidance as to what else they should look for.
HDST would also provide detailed data on the interaction of each of the outer planets with the solar wind and
give planetary scientists the ability to search for remote, hidden members of our solar system ranging in size from dwarf planets to ice giants like Neptune.
Not exact matches
Planetary scientist Bill Farrell of NASA's Goddard Space Flight Center in Greenbelt, Maryland, and colleagues will argue in Geophysical Research Letters that we shouldn't
give up the search just yet, however.
That double detection
gives Alexander Hayes, a
planetary scientist at Cornell, extra confidence.
«We have a mission and an obligation,
given who we are and the benefits we enjoy as a result of our status as
scientists, to address major science - based issues in society,» said Huybers, a professor of earth and
planetary sciences and environmental science and engineering at Harvard University.
The probe sent back more data than giddy
planetary scientists had ever had before, but the thrill of the mission came less from what it told them about Mercury than from the inkling it
gave them of what they had yet to learn.
Apparently, Nozette was ready to
give up his life as a leading
planetary scientist.
«When a star ages and brightens, the habitable zone moves outward and you're basically
giving a second wind to a
planetary system,» exoplanet
scientist Ramses M. Ramirez, a researcher at Cornell's Carl Sagan Institute, said in a statement.
«This observation
gives us a good picture of part of the composition of ISON and, by extension, of the proto -
planetary disk from which the planets were formed,» said Carey Lisse, leader of NASA's Comet ISON Observation Campaign and a senior research
scientist at the Johns Hopkins University Applied Physics Laboratory.
While the 2013 test was used to send up a HySICS,
planetary scientists are raring to
give the system a go.