Although researchers have determined the ages of rocks
from other planetary bodies, the actual experiments — like analyzing meteorites and moon rocks — have always been done on Earth.
Not exact matches
But NASA's
planetary protection office, charged with keeping earthly microbes
from colonizing
other bodies, has said it may nix a visit.
Planetary scientists have long known that Io is the most volcanically active
body in the solar system, thanks to constant gravitational tugs
from Jupiter and its
other moons that churn Io's interior.
The scope of COSPAR comprises space studies of the Earth's surface, meteorology and climate; space studies of the Earth - Moon system and
other bodies of the solar system, including the search for evidence of life in the solar system; study of
planetary atmospheres including those of the ever - expanding inventory of exoplanets; space plasmas in the solar system; research in astrophysics
from space; life sciences as related to space; materials sciences in space; and fundamental physics in space.
The constantly changing Solar System Barycentre varies
from being just «the
other side» of the solar core to a solar radius outside the Sun's surface, introducing rapidly changing accelerations
from planetary bodies at varying latitudes and longitudes around the Solar
body.