By: Bruce Tyson
An explosion that happened about 7.5 billion years ago was witnessed by a NASA satellite, marking the most distant explosion ever to be seen. Occurring over more than half the distance of the entire known universe, the gamma ray explosion was of the type...
Scientists: Moon interior has Earth-equivalent amount of water
By: Terrence Aym
Since the days of the Apollo Lunar missions, NASA has been searching for water on the Moon. They finally confirmed water existed several years ago, but recently the US space agency made a stunning discovery: the Moon has so much water under its surface that&mdash...
By: Elizabeth M Young
The conventional wisdom is that stars that are many times larger than our own sun have nuclear reactions that eventually use up all of their hydrogen, which they convert to helium. When the helium or other fuel is gone, the star will collapse because it...
By: Michael Totten
The Hunter's Moon is the full moon which occurs in October. It immediately follows the Harvest Moon, which is the full moon closest to the autumnal equinox. This moon's name comes from England and Northern Europe. It was also used by Native Americans belonging to...
By: Jason Caravaggio
Each year, the month of March brings about warmer temperatures and a welcome relief from the harsh and bitter cold of winter. One of the earliest signs that spring has arrived is the appearance of the full moon towards the end of the month. For...
By: Michael Totten
The Worm Moon is the full moon which occurs closest to the spring equinox in March. Thus, it is either the last moon of late winter or the first moon of early spring, depending on which side of the vernal equinox the full moon falls...
By: Leigh Goessl
As long as humanity has been examining the celestial heavens, there has always been a keen curiosity about the existence of life on other planets. It's not unfathomable to believe that in the vast area we call space there is sustainable life on other planets...
By: Beth Benson
Whether you are an avid Star Trek fan or just a fan of the skies, it is always a helpful resource to know at least the basics of what you are seeing and or studying. Altitude – the vertical distance of an object above the...
By: Darren Owen
Instantly recognizable to science fiction fans everywhere, nebulae are clouds of dust or gas in space. The term "nebula" was originally used to denote any extended astronomical object and this included galaxies until they were discovered. It wasn’t until the invention and modification of...
How to measure a light year
By: Steven Mars
A light year is not a measure of time; it is a distance. It is used to measure how far distant objects like the stars are from the Earth. It was defined by the International Astronomical Union as the distance that light travels in a...

 

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