Archives | Physics and Universe

Detection of molecular hydrogen in Interstellar medium

Posted by Physics And Universe | Jun 16, 2013 | Astronomy |

Molecular hydrogen is very difficult to detect. None of its transitions lie in the visible part of...

Posted by Physics And Universe | Jun 15, 2013 | Astronomy |

The medium between the stars is called interstellar medium. It consists of extremely dilute...

Posted by Physics And Universe | Jun 14, 2013 | Stars |

The Harvard classification only takes into account the effect of the temperature on the spectrum....

Posted by Physics And Universe | Jun 13, 2013 | Stars |

E. Hertzsprung and H. Norris Russell studied the relation between the absolute magnitude (or...

Posted by Physics And Universe | Jun 12, 2013 | Stars |

The Harvard Spectral Classification is based on the absorption lines (i.e. bark lines) in the...