By: Terrence Aym
Updated report. How can the U.S. and world economy be saved? Simple: mine asteroids.That's the ambitious plan that motion picture producer-director, adventurer James Cameron and Internet search engine giant Google announced to a stunned media.Details about the out-of-this-world venture by Planetary Resources...
The oceans and atmosphere of Ganymede
By: Anja Poulsen
Ganymede is not only the largest of Jupiter's moons, but the largest moon in our solar system Ganymede is actually larger than two of the planets - Mercury and Pluto. Discoveries about its possible oceans and atmosphere have proved of great interest to scientists studying...
An overview of NASA's Small Explorer Satellite Program (SMEX)
By: Rodney Lewis
The Small Explorer Program (SMEX) is a subset of NASA’s larger Explorer Program. Facing public sentiment that does not always see the value in studying the cosmos, the goal of SMEX is to operate small missions, using cheap, off-the-shelf components with price tags totaling...
The purpose of historical sundials
By: Jose Juan Gutierrez
The sundial is the oldest known device used for the measurement of time. The history of sundials dates back to approximately 3,500 years ago. The function of a sundial depends on the position of the Sun in the sky at a given time. It´...
Components of NASA's Lunar Quest program
By: Rebecca O'Brien
NASA’s new lunar exploration program, Lunar Quest, is multi-elemental and therefore differs from any of NASA’s past missions in that it is attempting lunar exploration using a tri-fold approach, namely: (1) for lunar missions of opportunity, (2) research and analysis efforts, and (3)...
Is space finite?
By: Michael Prather - 660563
Could the universe have a boundary? This question is indeed a puzzling one. Astronomers have already discovered evidence that the universe was, at one point in time, compacted into a very small space. This suggests that the universe had a quantum, or finite, beginning. The...
The connection of the Sirius constellation to the dog days of summer
By: Nick Somoski
The "dog days of summer" is an aphorism that is often used to describe the hottest period of the summer season (in the northern hemisphere, July-early August; in the southern hemisphere, January-early February). In modern times the saying is believed to stem from the fact...
The purpose of historical sundials
By: Nick Somoski
The early intelligence of mankind is perfectly exemplified in the sundial, an ancient creation that has stood the test of time - literally - through its innovative precedence and quintessential significance. It allowed man to tell time for the very first time, and today, it...
The purpose of historical sundials
By: Rebecca O'Brien
You’ve only got five minutes? No problem, sit your butt down and read this article. Have you ever stopped to wonder what life would be like without your watch, or blackberry, on hand? How did we develop the time scheme that we follow, anyway...
The oceans and atmosphere of Ganymede
By: Nick Somoski
The title of "largest moon in the solar system" is held by Ganymede, the icy satellite of Jupiter that was discovered by Galileo in 1610 as one of three moons to orbit the fiery planet. With a diameter of 3273 miles (5268 km) it is...

 

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