Esta imagen del telescopio espacial del Hubble de 2i/Borisov muestra el primer cometa RoGue observado, un cometa del espacio interestelar que no está unido a una estrella. Fue descubierto en 2019 y es el segundo intercambio interestelar identificado, después de 'Oumuamua. 2i/Borisov se parece mucho a los cometas tradicionales que se encuentran dentro de nuestro sistema solar, que subliman los ICE y desechan el polvo a medida que el Sol los calienta. El cometa errante proporcionó pistas invaluables sobre la composición química, la estructura y las características del polvo de los bloques de construcción planetarios presumiblemente forjados en un sistema estrella alienígena. Se está alejando rápidamente de nuestro sol y eventualmente volverá al espacio interestelar, para nunca regresar.
créditos
Image
nasa, esa, David Jewitt (UCLA)
Procesamiento de imágenes
Joseph Depasquale (STSci)
| About The Object | |
|---|---|
| Object Name | Comet 2I/Borisov |
| Object Description | Interstellar comet |
| Distance | At the time of observations, the comet was 2.782 au from Earth (about 260 million miles). |
| About The Data | |
| Data Description | The HST observations include those from program (D. Jewitt) |
| Instrument | WFC3/UVIS |
| Exposure Dates | 12 Oct 2019 |
| Filters | F350LP |
| About The Image | |
| Color Info | These images are a composite of separate exposures acquired by the WFC3 instrument on the Hubble Space Telescope. The color results from assigning the color blue to a monochromatic (grayscale) image. |
| Compass Image |  |
| About The Object | |
|---|---|
| Object Name | A name or catalog number that astronomers use to identify an astronomical object. |
| Object Description | The type of astronomical object. |
| R.A. Position | Right ascension – analogous to longitude – is one component of an object's position. |
| Dec. Position | Declination – analogous to latitude – is one component of an object's position. |
| Constellation | One of 88 recognized regions of the celestial sphere in which the object appears. |
| Distance | The physical distance from Earth to the astronomical object. Distances within our solar system are usually measured in Astronomical Units (AU). Distances between stars are usually measured in light-years. Interstellar distances can also be measured in parsecs. |
| Dimensions | The physical size of the object or the apparent angle it subtends on the sky. |
| About The Data | |
| Data Description |
|
| Instrument | The science instrument used to produce the data. |
| Exposure Dates | The date(s) that the telescope made its observations and the total exposure time. |
| Filters | The camera filters that were used in the science observations. |
| About The Image | |
| Image Credit | The primary individuals and institutions responsible for the content. |
| Publication Date | The date and time the release content became public. |
| Color Info | A brief description of the methods used to convert telescope data into the color image being presented. |
| Orientation | The rotation of the image on the sky with respect to the north pole of the celestial sphere. |
