Eris (Xena) News
July 23, 2016

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More Eris (Xena) News
July 23, 2016

Cosmic Dust Belts Without Dust

July 8, 2013 — Planets and asteroids, red giants and brown dwarfs – there are all kinds of objects in our Universe. Debris disks are among them. These are belts consisting of countless dust particles and ... read more

Apr. 9, 2013 — The European Space Agency's Herschel space observatory has provided the first images of a dust belt -- produced by colliding comets or asteroids -- orbiting a subgiant star known to host a ... read more

Jan. 8, 2013 — Newly released Hubble Space Telescope images of a vast debris disk encircling the nearby star Fomalhaut and a mysterious planet circling it may provide forensic evidence of a titanic planetary ... read more

Jan. 8, 2013 — Astronomers have discovered what appears to be a large asteroid belt around the star Vega, the second brightest star in northern night skies. The discovery of an asteroid belt-like band of debris ... read more

Can Life Emerge on Planets Around Cooling Stars?

Nov. 29, 2012 — New research hints that planets orbiting white and brown dwarfs, even in the habitable zone, face a "difficult path to ... read more

Nov. 27, 2012 — Astronomers have discovered vast comet belts surrounding two nearby planetary systems known to host only Earth-to-Neptune-mass worlds. The comet reservoirs could have delivered life-giving oceans to ... read more

Nov. 21, 2012 — Dwarf planet Makemake is about two thirds of the size of Pluto, and travels around the Sun in a distant path that lies beyond that of Pluto but closer to the Sun than Eris, the most massive known ... read more

Nov. 8, 2012 — Every six seconds, for many millions of years, comets have been colliding near a star visible to the naked eye, astronomers ... read more

July 11, 2012 — A team of astronomers using NASA's Hubble Space Telescope is reporting the discovery of another moon orbiting the icy dwarf planet Pluto. The moon is estimated to be irregular in shape and 6 to ... read more

Nov. 10, 2011 — Just as an expert chess player sacrifices a piece to protect the queen, the solar system may have given up a giant planet and spared the Earth, according to a new ... read more

Nov. 3, 2011 — In the search for extraterrestrial intelligence, astronomers have hunted for radio signals and ultra-short laser pulses. Astronomers suggest a new technique for finding aliens: Look for their city ... read more

Oct. 26, 2011 — Astronomers have measured the diameter of the dwarf planet Eris by catching it as it passed in front of a faint star. This was seen by telescopes in Chile, including the TRAPPIST telescope at the ... read more

Oct. 19, 2011 — NASA's Spitzer Space Telescope has detected signs of icy bodies raining down in an alien solar system. The downpour resembles our own solar system several billion years ago during a period known ... read more

Sep. 29, 2011 — Searching for extra-solar planets -- which are planets outside of our solar system -- is very popular these days. About 700 planets are known at the moment, a number that is continuously rising due ... read more

Sep. 12, 2011 — A University of Toronto-led team of astronomers has observed extreme brightness changes on a nearby brown dwarf that may indicate a storm grander than any seen yet on a planet. Because old brown ... read more

Aug. 22, 2011 — Astronomers have discovered that the dwarf planet 2007 OR10 -- nicknamed Snow White -- is an icy world, with about half its surface covered in water ice that once flowed from ancient, slush-spewing ... read more

May 12, 2011 — The fifth dwarf planet of the solar system, Haumea, and at least one of its two satellites, are covered in crystalline water-ice due to the tidal forces between them and the heat of radiogenic ... read more

Jan. 13, 2011 — In the outer reaches of our solar system lies a mysterious region far more remote and difficult to explore than the Australian outback. It remains the only part of our solar system not visited by ... read more

Oct. 6, 2010 — New research is challenging popular theory about how part of our solar system formed. Contrary to popular belief, new evidence suggests the planet Neptune can't have knocked a collection of ... read more

Apr. 9, 2010 — As our telescopes grow more powerful, astronomers are uncovering objects that defy conventional wisdom. The latest example is the discovery of a planet-like object circling a brown dwarf. It's ... read more

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