Is There Weather In Space?
Space weather occurs in the area between the Earth and the Sun and refers to the disturbances and storms that swirl through space, which could have adverse effects on human activities. These disturbances are caused by solar activity that cause variations of…
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Astronomy
Black Hole Sound Waves
Astronomers using NASA's Chandra X-ray Observatory have found, for the first time, sound waves from a…
Physics
What Is Radiofrequency Energy (Rf)?
Radiofrequency (RF) energy is another name for radio waves. It is one form of electromagnetic energy that…
Medicine
When and Why is Blood Typing Done?
Fans of the popular television show ER know how important blood type is in an emergency. 'Start the O-neg,'…
Geology
NASA Explains Dust Bowl Drought
NASA scientists have an explanation for one of the worst climatic events in the history of the United States,…