- A
protoplanet is a
large planetary embryo that
originated within a
protoplanetary disk and has
undergone internal melting to
produce a differentiated...
-
about direct interactions with
planetary regoliths.
Ceres is a
surviving protoplanet that
formed 4.56 billion
years ago;
alongside Pallas and Vesta, one of...
-
Theia (/ˈθiːə/) is a
hypothesized ancient planet in the
early Solar System which,
according to the giant-impact hypothesis,
collided with the
early Earth...
-
asteroid to have been discovered,
after Ceres, and is
likely a
remnant protoplanet. Like Ceres, it is
believed to have a
mineral composition similar to...
-
gravitationally bound and can
mimic protoplanets. In the case of
GoHam b it is not
clear if it is a
protoplanet or just a disk fragment. JWST NIRCam...
-
often called a
primordial or proto-atmosphere, is an
atmosphere of a
protoplanet that
forms by
accretion of
gaseous matter from the
protoplanetary disk...
- AU, and
again from 13 AU out to a few
hundred AU, with
evidence for a
protoplanet forming at a
distance of
around 47 AU.
Estimated to be less than 10 million...
- Observatory's Very
Large Telescope. PDS 70b was the
first confirmed protoplanet to be
directly imaged. The "PDS" in this star's name
stands for Pico...
-
solar nebula as a
group of planetesimals, the
smaller precursors of the
protoplanets. However,
between Mars and
Jupiter gravitational perturbations from Jupiter...
-
dynamical friction between the
protoplanet and the
protoplanetary disk
causes energy to be
transferred from the
protoplanet to the disk. This
results in...