Physics And Universe

Galaxy rotation curve and dark matter

Posted by Physics And Universe | Feb 21, 2014 | Astronomy |

Stars revolve around the center of galaxies at a constant speed over a large range of distances...

E. Hubble determined that there is a relation between the distance of various galaxies and their...

Posted by Physics And Universe | Jan 29, 2014 | Astronomy |

There have been two leading models for the spiral structure of Galaxies: Star formation caused by...

Posted by Physics And Universe | Jan 13, 2014 | Astronomy |

The classification of galaxies was proposed by Edwin Hubble in 1936, popularly known as tuning...

Posted by Physics And Universe | Dec 28, 2013 | Astronomy |

The galaxy mergers can occur when two or more galaxies collide. They are the most violent type of...