PetMojo on MSN6 个月
Meet the English Setter: 8 Amazing Facts
The Irish Setter is known for its deep chestnut red coloration, while the aptly named Irish Red and White Setter is both red ...
National Geographic news1 年
White Dwarfs
At 8.6 light-years away, Sirius B is the nearest known white dwarf star to Earth. Photograph courtesy NASA/ESA/H. Bond (STScl)/M. Barstow (University of Leicester) Red giants are hot enough to ...