Documents Galaxies and Cosmology 09.27.07 / 09.28.07. Types of Galaxies Spiral –Including Barred Spiral...

Galaxies and Cosmology 09.27.07 / 09.28.07 Types of Galaxies Spiral Including Barred Spiral Elliptical Irregular M81 12 million light years away M82 12 million light years…

Documents Galaxies and Cosmology

Galaxies and Cosmology 09.27.07 / 09.28.07 Types of Galaxies Spiral Including Barred Spiral Elliptical Irregular M81 12 million light years away M82 12 million light years…