History of the Universe eBook. 398 pages, 300 illustrations only £5.99
Elliptical GalaxiesElliptical galaxies have very little internal structure, appearing as an amorphous cloud of stars. They vary in shape from spherical through oval to flattened discs. Hubble image of elliptical galaxy NGC 1132 from NASA, ESA, and the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration They contain very little gas and new stars rarely from inside them. Most of their stars are old. Because of this lack of star-formation, ellipticals are not rich in the dust which is necessary for create planets. So to find a place suitable for life to form we need to look elsewhere.
History of the Universe eBook. 398 pages, 300 illustrations only £5.99 |
eBook only £5.99 398 pages, 300 images "I find the science fabulous...an extremely useful teaching tool." Professor David Christian. Follow @WykenSeagrave |