El primer relato de la aparición de un cometa procede de una crónica china de en torno al 1059 a.C. (*). En él se cuenta que cuando el rey Wu-Wang emprendió una...
El Gran Telescopio Canarias obtiene un espectro del primer cometa interestelar C/2019 Q4 (Borisov)
El espectro tomado con el GTC de C/2019 Q4 (Borisov) muestra que el objeto tiene una composición similar a la de los cometas del Sistema Solar En la madrugada...
EPOXI: Comet 103P/Hartley 2 Observations from a Worldwide Campaign
Earth- and space-based observations provide synergistic information for space mission encounters by providing data over longer timescales, at different...
Evolution of a Spiral Jet in the Inner Coma of Comet Hale-Bopp (1995 O1)
We present observations of the evolution of a prominent spiral jet in the inner coma of comet Hale-Bopp (1995 O1). The observations, taken with the 82 cm IAC-80...
Evolution of the dust coma in comet 67P/Churyumov-Gerasimenko before the 2009 perihelion
Context. Comet 67P/Churyumov-Gerasimenko is the main target of ESA's Rosetta mission and will be encountered in May 2014. Because the spacecraft will orbit the...
Exploring the nature of new main-belt comets with the 10.4 m GTC telescope: (300163) 2006 VW139
Aims: We aim to study the dust ejected by main-belt comet (MBC) (300163) 2006 VW139 to obtain information on the ejection mechanism and the spectral properties...
Hint of an exocomet transit in the CHEOPS light curve of HD 172555
HD 172555 is a young (~20 Myr) A7V star surrounded by a 10 au wide debris disk suspected to be replenished partly by collisions between large planetesimals...
Infrared spectroscopy of the largest known trans-Neptunian object 2001 KX75
We report complete near-infrared (0.9-2.4 mu m) spectral observations of the largest know trans-Neptunian objects (TNO) 28976 = 2001 KX76 taken in two different...