Temperature coded (in Kelvin) spherical shape model used for the thermal analysis of asteroid Apophis, based on data from the new Herschel observations. Note that this is a model. Image released Jan.

Using ESA's Herschel telescope a team of Chinese researchers has performed analysis of the interstellar medium in the early-type galaxy NGC 3665. The study offers insights into physical properties of ...

(Phys.org) —Just as children are sorted into age groups at school, so the seeds of new stars can also be found in 'classes' of others of similar ages. This is especially true when the birth of stars ...