Galaxies

Elliptical Galaxies

15.6 - Be able to classify galaxies using the Hubble classification system, including:
c) elliptical

Ellipticals are usually the largest galaxies containing over a trillion stars. and be a dozen times larger than the Milky Way.

These come in a general ellipse shape. Some are spherical, some are cigar shaped. Typically they are brighter towards the centre. Their strange shape may have arisen because of disturbances from other galaxies.