Artwork of two
icy dwarf planets orbiting within the Kuiper Belt of the outer solar system.
Finding out about Makemake's properties for the first time is a big step forward in our study of the select club of
icy dwarf planets.»
The early and mid 2000s were really the gold rush for distant
icy dwarf planet discovery.
Not exact matches
A recently discovered solitary ice volcano on the
dwarf planet Ceres may have some hidden older siblings, say scientists who have tested a likely way such mountains of
icy rock — called cryovolcanoes — might disappear over millions of years.
These
icy bodies apparently survived the star's evolution as it became a bloated red giant and then collapsed to a small, dense white
dwarf.
Such worlds may include Mars, the asteroid Vesta, the
dwarf planet Ceres or the
icy moons of Jupiter or Saturn.
Pluto, demoted to a
dwarf planet in 2006, likely has a hard,
icy surface — not great for powder skiing like this poster shows.
The results also suggest the presence of unseen, surviving planets which may have perturbed the belt and worked as a «bucket brigade» to draw the
icy objects into the white
dwarf.
An international team of astronomers including researchers from the University of British Columbia has discovered a new
dwarf planet orbiting in the disk of small
icy worlds beyond Neptune.
Images taken by NASA's Dawn spacecraft show that a mysterious bright spot on
dwarf planet Ceres could be a plume of water spurting from a deep,
icy crater
Ever since NASA's New Horizons spacecraft flew by Pluto last year, evidence has been mounting that the
dwarf planet may have a liquid ocean beneath its
icy shell.
Dwarf planets like Pluto and smaller
icy bodies populate the Kuiper Belt beyond the orbit of Neptune.
One of our solar system's five
dwarf planets, Makemake — an
icy, 1400 - kilometer - wide orb that circles the sun far beyond Pluto — was discovered in 2005.
Data gathered when the
dwarf planet Makemake passed in front of a distant star last year are shedding new light on the
icy orb's size, shape, and atmosphere — or, more precisely, its lack of one.
«Pluto as a cosmic lava lamp: Giant convective cells continually refresh
dwarf planet's
icy heart.»
New Horizons» flyby of the
dwarf planet and its five known moons is providing an up - close introduction to the solar system's Kuiper Belt, an outer region populated by
icy objects ranging in size from boulders to
dwarf planets.
If the early results hold up, this time it's the
dwarf planet Eris's turn to be demoted, and Pluto might have just regained its status as the largest object in the Kuiper Belt, the ring of
icy bodies beyond Neptune.
The mysterious bright spot on the
dwarf planet Ceres has been revealed in its highest resolution yet, and the bright materials in it appear to be coming from a fractured dome — a possible portal to
icy materials in the subsurface.
Some scientists believe the
dwarf planet harbored a subsurface ocean in the past and liquid water may still be lurking under its
icy mantle.
The pictures, taken when New Horizons was about 13 million kilometers from the
dwarf planet, show three different swaths of the
icy surface as Pluto slowly rotated on its axis.
From the discovery of moons around these
icy bodies, the internal composition, mass, density, and internal structure of these
dwarf planets has been revealed.
This large debris disk is similar to the Kuiper Belt, which encircles the solar system and contains a range of
icy bodies from dust grains to objects the size of
dwarf planets, such as Pluto.
The discovery team presumes that VP113 has an
icy reflective surface like other relatively small, outer Solar System objects, as the
dwarf planet is observed to have a pink tinge, which is hypothesized to result from chemical changes produced by the effect of radiation on frozen water, methane, and carbon dioxide.
Including Eris, Pluto, and now Make - make (2005 FY9), the largest
dwarf planets include many recently discovered
icy objects that orbit the Sun beyond the orbit of Neptune (more).
The outcomes also suggest the existence of hidden planets which may have affected the belt and acted as a «bucket brigade» to attract the
icy bodies into the white
dwarf.