Physical Science

The ancient Mesoamericans used a form of calendar called the Calendar Round. It consisted of multiple circles that fit together like gears on a bicycle chain to give a combined date. Every 18,980 days, the calendar had gone in a…
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If you know a beginning astronomer, either a child or an adult, why not help them delve into their new hobby with an astronomy book for Christmas? The most useful kind of astronomy book for newcomers of all ages is…
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In order to be able to choose a telescope for the beginner or amateur you must first understand what it is you are looking at and looking for. There are some basic items about telescopes that must be understood. Never…
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What makes a Solar System? Every school child knows that our Solar System is made up of the Sun and nine planets (sorry, eight planets and whatever Pluto is now that it is no longer a planet). But what makes…
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What do you get for your stargazer? Chances are they have enough hardware and star charts. How about some reading for those nights when the cloud cover keeps them in the house. Here are just a few titles that came…
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So, you want to buy a telescope but you really aren’t sure what you need. That can be a scary situation for someone in your shoes. One quick search on the Internet and you’ll soon find out that there are…
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Rutherfordium is element number 104 in the periodic table. It is a radioactive, man-made super-heavy element. The super-heavy elements are made by accelerating ions of one element then sending them at speed into a target of atoms of another element….
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Are you looking for a great vacation to book for the astronomy enthusiast in your life? Well, being an enthusiast myself, I’ve compiled a list of great vacation ideas, ranging from the ridiculously expensive to the more normal, affordable option….
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Fermium Symbol: Fm Atomic Number: 100 Atomic Mass: 257 amu (atomic mass units) Melting Point: 1527C (1800 K, 2781F) Boiling Point: Unknown Number of Protons: 100 Number of Electrons: 100 Number of Neutrons: 157 Classification: Rare Earth Metal (Man Made)…
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Chromium Symbol: Cr Atomic Number: 24 Atomic Mass: 51.9961 amu (atomic mass units) Melting Point: 1857.0°C (2130.15 K, 3374.6°F) Boiling Point: 2672.0°C (2945.15 K, 4841.6°F) Number of Protons 24 Number of Electrons: 24 Number of Neutrons: 28 Classification: Transition Metal…
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