Monthly Archives: July 2009

All about Neutron stars and Pulsars

Posted on July 30, 2009 by

Neutron star Neutron stars are a type of remnant that can result from the gravitational collapse of a massive star during a Type II, Type 1b or Type 1c supernova event. They are almost entirely comprised of neutrons and hence … Continue reading →

Posted in Astronomy Facts | Tagged emit radiation, Neutron star, pulsar | Comments Off

The Origin and Extent Of The Universe

Posted on July 28, 2009 by

There are several theories involving the conception of the universe. Out of the various theories the one which got strongly established is that of the Big Bang theory. According to this theory, universe began due to a tremendous explosion from … Continue reading →

Posted in Astronomy Facts | Tagged age of the universe, Big bang, extent of the universe, size of the universe | Comments Off

Remnants of a Stellar

Posted on July 24, 2009 by

Most of us know or have at least heard of White dwarfs, but the concept of Black Dwarfs is relatively newer and less heard off. A black dwarf is a hypothetical stellar remnant, created when a white dwarf becomes sufficiently … Continue reading →

Posted in Astronomy Facts | Tagged black dwarf, Evolution of stars, stellar evolution | Comments Off

Supernova – A radiant process

Posted on July 20, 2009 by

In simple terms, a supernova is a stellar explosion. They are extremely radiant and can cause a burst of radiation which can briefly outshine an entire galaxy, before fading away from view over several weeks or months. During this period, … Continue reading →

Posted in Astronomy Facts | Tagged collapsing stars, radiation, stellar explosion, Supernova | Comments Off

The reason for “Glittering Diamonds” in the sky

Posted on July 18, 2009 by

“Twinkle Twinkle little star, How I wonder what you are.” I am sure you have wondered about the “little star”, but have you wondered why it twinkles like a “diamond” in the sky?? The main reason for this is earth’s … Continue reading →

Posted in Astronomy Facts | Tagged atmosphere, exosphere, ionosphere, mesosphere, stars twinkle, stratosphere, thermosphere, troposphere | Comments Off

Gigantic Balls of Fire

Posted on July 16, 2009 by

A red giant can be defined as a luminous giant star of low or intermediate mass (approximately 0.5-10 solar masses) that is in a late phase of stellar evolution. The outer atmosphere is puffed up and weak, making the radius … Continue reading →

Posted in Astronomy Facts | Tagged hydrogen fusion, Red Giant, Star lifecycle, stellar evolution | Comments Off