Biography: Edwin P. Hubble
By: D. Vogt
Edwin P. Hubble (1889-1953) is one of the most important historical American astronomers. He was responsible for the confirmation that stars and other galaxies existed far beyond our own Milky Way Galaxy, and - using the principle of the red shift, or the effects on...
Explaining the Drake equation
By: D. Vogt
The Drake Equation, also known as the Green Bank Equation after the 1961 conference where it was first presented, is a formula created by American physicist Frank Drake to estimate the number of intelligent alien civilizations which exist in the Milky Way and which, given...
What happens at the Vernal Equinox?
By: Megan Stoddard
At the vernal equinox, the earth, which tilts on its axis so that one of its hemispheres is usually closer to the sun than the other, stands up straight. From our viewpoint here on earth, the sun rests directly over the equator. It has been...
Black holes in Space
By: Toni Gabucci
Black holes- Do they even exist? Even though black holes have finally achieved acceptance in the public mind, there have still been questions regarding the existence and characteristics of black holes among the scientists. The “Classical” concept of a black hole is a star...
By: Lawrence George
The Milky Way galaxy is our home. While we may think it is just Earth and the Sun, and maybe the planets of the Solar System too, we are members of a family of stars some 100 000 light years across, along with perhaps 400...
Do you believe that aliens have already visited our planet?
By: Lee Pringle
Aliens Part 1: Why we should fear them. Arthur C Clarke said any sufficiently advanced technology is indistinguishable from magic, and magic is what Gods do. Our history is littered with reports of angels or spirits descending down to the Earth from the heavens. Why...
What to do if you see a UFO
By: Dyana Hepburn
What to do if you see a UFO depends on many different factors. Over the years I have seen many unusual aerial phenomena, some of which are beyond all doubt unidentified flying objects (UFOs). I have described my encounters with UFOs to groups, talked about...
Exploring man's fascination with the universe
By: Ray Burke
A universe by any other name Man may be fascinated by the universe, but the thing that fascinates me is that our universe has no name. If our universe was to have a name, what would it be? We’ve named everything from the Milky...
By: D. Vogt
Spectroscopy is the study of the relationship between light (electromagnetic radiation) and physical matter. In astronomy, this can be highly useful. The role of spectroscopy in astronomy is to analyze the light received from distant planets and interstellar phenomena and, based on that light, estimate...
By: Bennett Horton Jr.
What Happens at the Vernal Equinox The word “equinox” comes from the Latin for equal night. It might just as accurately have been named “equidies” (equal day), for at the time of an equinox the periods of sunlight and darkness in a single...

 

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