The appearance of the nucleus of this comet was kind of surprising, and different from other comet nuclei that have been recording in spacecraft type detail, so that was quite exciting. |
The real limitation to determining the temperature is the assumption that there is a single temperature to be measured. |
We've identified a new type of object that by the shape of its orbit is definitely a main-belt asteroid, but by its appearance is definitely a comet. It fits into both categories. |