The early and mid 2000s were really the gold rush for distant icy
dwarf planet discovery.
Not exact matches
The
discovery of waterlogged minerals and a growing ice wall suggests that the
dwarf planet could harbor underground liquid water or slushy brine, which has escaped through cracks and craters in the recent past and may still be seeping out today.
With the
discovery of MK2, all four of the currently designated
dwarf planets are known to host one or more satellites.
Boss has recently proposed a similar effect to explain the
discovery of two gas giants and two so - called super-Earths, or big rocky
planets, each orbiting a small red
dwarf star.
RR245 is the largest
discovery and the only
dwarf planet found by OSSOS, which has discovered more than five hundred new trans - Neptunian objects.
Now the
discovery that there is a dearth of cosmic bodies whose mass lies within a particular range could provide a clean dividing line between
planets and brown
dwarfs, which are heavier than
planets but lighter than stars.
The multitude of fainter water - rich, free - floating brown
dwarfs and
planets within the Orion nebula are all new
discoveries.
On 22 February 2017 astronomers announced the
discovery of seven Earth - sized
planets orbiting the ultracool
dwarf star TRAPPIST - 1, 40 light - years away [1].
In August, breathless headlines heralded the
discovery of a small, potentially habitable
planet orbiting Proxima Centauri, a dim red
dwarf star just 4.24 light - years away (SN: 9/17/16, p. 6).
Excitement over the new
planet in Pegasus couldn't obscure another important astronomical
discovery made in 1995: the best evidence yet for the existence of brown
dwarfs.
Characterizing K2
planet discoveries: A super-Earth transiting the bright K -
dwarf HIP 116454.
Since that
discovery hundreds of large objects, most more than 100 kilometers in diameter, have been spotted in the Kuiper Belt, including some of the roughly Pluto - size bodies that spurred a redefinition of the word «
planet» and relegated Pluto to
dwarf status.
Other recent
discoveries of nearby Earth - sized
planets have been around red
dwarf stars, including TRAPPIST - 1 and Proxima Centauri, but these create less favorable conditions for life.
According to a very rough statistical analysis, the new
discovery suggests that up to one - third of all red
dwarf stars in the Milky Way galaxy are accompanied by small, rocky
planets, many of which might be in wider orbits.
Brown first achieved notoriety for the
discovery of Eris, a distant object nearly the size of Pluto, which led to the
dwarf planet's demotion.
Although the Backyard Worlds research team hopes to find the infamous
Planet 9 hiding in our own solar system, these brown
dwarfs are also exciting
discoveries.
New work led by Carnegie's Jacqueline Faherty surveyed various properties of 152 suspected young brown
dwarfs in order to categorize their diversity and found that atmospheric properties may be behind much of their differences, a
discovery that may apply to
planets outside the solar system as well.
Mike Brown of the California Institute of Technology in Pasadena, whose
discovery of
dwarf planet Eris led to Pluto's demotion, is upbeat: «Even objects that are not
planets are interesting and have things about them yet to be discovered.»
After the initial
discovery of brown
dwarfs in 1995, scientists quickly realised that they are a natural by - product of processes that primarily lead to the formation of stars and
planets.
The
discovery of a small moon orbiting the third - largest
dwarf planet means all the large objects orbiting beyond Neptune have satellites.
It's not yet clear how this binary system formed, but the
discovery may help redefine the line between
planets and brown
dwarfs — failed stars tens of times the mass of Jupiter.
When astronomers announced the
discovery of seven Earth - sized
planets orbiting the ultracool
dwarf star TRAPPIST - 1, Earthlings immediately celebrated the possibility that one of those planetary neighbors could host life.
Here we report the
discovery of three small
planets orbiting a bright (Ks = 8.6 mag) M0
dwarf using data collected as part of K2, the new transit survey using the re-purposed Kepler spacecraft.
From the
discovery of moons around these icy bodies, the internal composition, mass, density, and internal structure of these
dwarf planets has been revealed.
To date, there have been thr... ▽ More Proxima Centauri has become the subject of intense study since the radial - velocity
discovery by Anglada - Escud \» e et al. 2016 of a
planet orbiting this nearby M -
dwarf every ~ 11.2 days.
This is the latest unexpected
discovery uncovered concerning the distant
dwarf planet.
Here we report the
discovery of three small
planets orbiting a bright (Ks = 8.6 mag) M0
dwarf using data collec... ▽ More Small, cool
planets represent the typical end - products of planetary formation.
Abstract: Proxima Centauri has become the subject of intense study since the radial - velocity
discovery by Anglada - Escud \» e et al. 2016 of a
planet orbiting this nearby M -
dwarf every ~ 11.2 days.
The
discovery and study of DeeDee (which has not yet officially been anointed a
dwarf planet) shows that astronomers can probe the deep outer solar system and that similar techniques could potentially spot Planet Nine, the big world hypothesized to lurk out there undetected, researchers
planet) shows that astronomers can probe the deep outer solar system and that similar techniques could potentially spot
Planet Nine, the big world hypothesized to lurk out there undetected, researchers
Planet Nine, the big world hypothesized to lurk out there undetected, researchers said.
In 2006, with the
discovery of several other rocky bodies similar in size or larger than Pluto, the IAU decided to re-classify Pluto as a
dwarf planet.
We aim at investigat... ▽ More Direct imaging has led to the
discovery of several giant
planet and brown
dwarf companions.
A team of astronomers has announced the
discovery of a new moon located in the far reaches of our Solar System, orbiting the little - known
dwarf planet Makemake.
On the other hand, the
discovery of a brown
dwarf companion in a wide orbit that could perturb dormant comets in an Oort Cloud around Epsilon Indi inwards towards the star's inner planetary regions may periodically shower an Earth - type, inner
planet with catastrophic impacts.
Learn about the
discovery in 2017 of seven Earth - sized
planets orbiting TRAPPIST - 1, an ultra-cool
dwarf star 40 light - years away.
Our nearest neighbor star, Proxima Centauri, is an M
dwarf; you may recognize the name from the recent
discovery that it has a
planet orbiting it < with link to story on it from somewhere >.
Cool Star meetings have a long tradition of presenting cutting - edge science, as shown by outstanding results such as the
discovery of the first Extrasolar
Planet and the first confirmed Brown
Dwarf, which were both first announced in the Cool Stars 9 meeting celebrated in Florence, Italy in 1995.
Learn about the
discovery in 2017 of seven Earth - sized
planets orbiting TRAPPIST - 1, an ultra-cool
dwarf star 40 light - years...
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.
Stern said the spate of
discoveries from NASA's Kepler mission, including the first known gas
dwarf planets, illustrates the «amazing diversity» of
planets in the universe.
On March 26, 2014, astronomers announced the
discovery of another
dwarf planet in a highly eccentric orbit like Sedna.
These were the simple, sharp definitions of stars and
planets until the
discovery of a brown
dwarf in 1995.
New work from Carnegie's Scott Sheppard and Chadwick Trujillo of the Gemini Observatory reports the
discovery of a distant
dwarf planet, called 2012 VP113, which was found beyond the known edge of the solar system.