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Ernesto Guido

Arxiv - Asteroids Were Born Big - 0 views

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    How big were the first planetesimals? We attempt to answer this question by conducting coagulation simulations in which the planetesimals grow by mutual collisions and form larger bodies and planetary embryos
Ernesto Guido

A Cometary Closeup for NExT - 0 views

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    Tau Zero journalist Larry Klaes looks at the NExT (New Exploration of Tempel) mission, which gives us a second crack at observing comet Tempel
Ernesto Guido

Comet Implicated in Tunguska Blast - 0 views

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    Latest research has concluded that the Tunguska explosion was almost certainly caused by a comet entering the Earth's atmosphere. And how researcher Michael Kelly from Cornell University came to that conclusion is quite interesting: He analyzed the space shuttle's exhaust plume and noctilucent clouds.
Ernesto Guido

Astronomers lose access to military data - 0 views

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    Satellite information on incoming meteors is blocked.
Ernesto Guido

Remanzacco Observatory - Comets & Neo: New Comet P/2009 L2 (YANG-GAO) - 0 views

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    IAUC Circular No. 9052, issued on 2009, June 16, announces the discovery by Rui Yang and Xing Gao of a new comet on several survey images taken by Gao in the course of the Xingming Comet Survey at Mt. Nanshan using a Canon 350D camera (+ 10.7-cm f/2.8 camera lens).
Ernesto Guido

Arxiv - Albedos of Small Jovian Trojans - 0 views

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    We present thermal observations of 44 Jovian Trojan asteroids with diameters (D) ranging from 5 to 24 km.
Ernesto Guido

A Little Comet Named Christensen - 0 views

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    A comet hunt on the morning of May25th turns up a previously discovered comet with a interesting history.
Ernesto Guido

Rusty space rocks could signal Mars water - 0 views

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    Fist-sized stones scattered around Victoria Crater on Mars appear to be meteorites - and might be fragments of the object that punched out the crater, researchers say.
Ernesto Guido

Arxiv - Fuzzy Characterization of Near-Earth-Asteroids - 0 views

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    Due to close encounters with the inner planets, Near-Earth-Asteroids (NEAs) can have very chaotic orbits. Because of this chaoticity, a statistical treatment of the dynamical properties of NEAs becomes difficult or even impossible. We propose a new way to classify NEAs by using methods from Fuzzy Logic.
Ernesto Guido

Arxiv - Detection of Earth-impacting asteroids with the next generation all-sky surveys - 0 views

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    We have performed a simulation of a next generation sky survey's (Pan-STARRS 1) efficiency for detecting Earth-impacting asteroids.
Ernesto Guido

A Benevolent Sort of Asteroid Bombardment? - 0 views

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    Celestial impacts can bring life as well as wipe it out, say the authors of a new study out of the University of Colorado at Boulder.
Ernesto Guido

Arxiv - Distribution and properties of fragments and debris from the split comet 73P/S... - 0 views

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    During 2006 Mar - 2007 Jan, we used the IRAC and MIPS instruments on the Spitzer Space Telescope to study the infrared emission from the ensemble of fragments, meteoroids, and dust tails in the more than 3 degree wide 73P/Schwassmann-Wachmann 3 debris field.
Ernesto Guido

Secondary condensation on 19P/Borrelly - 0 views

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    Secondary "condensation" in 19P/Borrelly, we performed some follow-up about this comet........
Ernesto Guido

Comet crystals created in stellar burps - 0 views

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    An analysis of the dust surrounding the outburst of a young star suggests an explanation for how the crystals inside comets are formed
Ernesto Guido

Spitzer catches star cooking up comet crystals - 0 views

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    Observations show the production of crystalline silicates like those found in comets and meteorites in our own solar system.
Ernesto Guido

Arxiv - A Multi-Wavelength Study of Parent Volatile Abundances in Comet C/2006 M4 (SWAN) - 0 views

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    Volatile organic emissions were detected post-perihelion in the long period comet C/2006 M4 (SWAN) in October and November 2006.
Ernesto Guido

Arxiv - The Far Ultraviolet Spectral Signatures of Formaldehyde and Carbon Dioxide in ... - 0 views

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    Observations of four comets made with the Far Ultraviolet Spectroscopic Explorer.
Ernesto Guido

Arxiv - The Taurid complex meteor showers and asteroids - 0 views

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    The structure of the Taurid meteor complex based on photographic orbits available in the IAU Meteor database is studied.
Ernesto Guido

2009 HC82: A Burnt-Out, Eccentric and Backward Near-Earth Asteroid - 0 views

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    The Solar System often throws up surprises for astronomers, but the recent discovery of a 2- to 3-km wide asteroid called 2009 HC82 has sent observers in a spin. A retrograde spin to be precise.
Ernesto Guido

Nearby asteroid found orbiting sun backwards - 0 views

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    The discovery of a 2- to 3-kilometre-wide asteroid in an orbit that goes backwards has set astronomers scratching their heads. It comes closer to Earth than any other object in a 'retrograde' orbit, and astronomers think they should have spotted it before.
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