Blog Archives

Chandra And X-Ray Astronomy

Have you ever thought about how we know that black holes exist? There are ways, for example we can observe the orbits of celestial objects. If it appears that they aren’t revolving around a planet or a star then you can pretty much bet that they are circling a black hole. Another way is when …

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Flying and Radiation

As a Flight Attendant with an erratic schedule I am always conscious about keeping healthy. The new cry out there by the general public is the use of body scanners that emit radiation doses. What people really don’t know is the health risk that flying itself gives. Flying gives you more radiation exposure than the …

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The Stellar Baby Boom

Sparkling in a wild, frenzied, and joyful dance throughout the vast and mysterious expanse of Space and Time, the stars that we see shining and shimmering in our dark clear sky at night were all mostly born in an explosive stellar “baby boom” that occurred about 10 billion years ago. Galaxies, like our own barred-spiral …

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Slow-Growing Galaxies

We live in a Universe lit by the countless fires of a host of brilliant stellar sparklers. On clear, dark nights an observer can see literally thousands of bright stars without the aid of a telescope–yet astronomers are hindered in their study of the ancient epoch when the first stars were born because they lack …

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Choosing Nuclear Fusion for Generating Electricity

While fossil fuels is rapidly depleting, the world’s population has to consider other sources of energy for the future. Choosing nuclear fusion over nuclear fission for generating electricity needs to be looked at to understand the differences between the two. Fission is accomplished by splitting an atom into two or more parts and fusion is …

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Tough Math Problems

If your head starts feeling heavy at the mention of equations and calculators, then welcome to the club. You are also suffering from something that can be termed as math phobia. As we grow up, our math books become thicker and tougher. Soon, we are inflicted by what is known as the math phobia. Just …

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