Universe

The Sadr region which contains many dark nebulae

The Sadr region, or IC 1318, is the diffuse emission nebula surrounding Sadr or Gamma Cygni. Sadr lies in the center of Cygnus’s cross.   What is the Sadr region? The Sadr region is one of the surrounding nebulous regions; others [ … ]

What everybody ought to know about planets!

The term planet is ancient, with ties to history, astrology, science, mythology, and religion. Several of them in the Solar System can be seen with the naked eye.   What are planets? These were regarded by [ … ]

Eta Carinae, our Neighboring Superstars

Eta Carinae, formerly known as Eta Argus, a stellar system containing at least two stars with a combined luminosity greater than five million times that of the Sun. What is Eta Carinae? Eta Carinae is located around 7,500 light-years (2,300 parsecs) [ … ]

The Milky Way: our amazing galaxy

The Milky Way is the galaxy that contains our Solar System. The descriptive “milky” is derived from the appearance from Earth of the galaxy – a band of light seen in the night sky formed from stars that [ … ]