By: Imonikhe Ahimie
In August 2006, the International Astronomical Union (IAU) set out formal definitions as what conditions were required to be met for a celestial body to be considered a planet. Prior to this date, there had been no formal definition as to what was or wasn&rsquo...
Have we set parameters that are too narrow for what constitutes a habitable planet?
By: Steven Mars
In 1961, Frank Drake of the National Astronomy And Ionosphere Center devised a mathematical equation for the number of planets in the Milky Way galaxy that could support life. The equation has several drawbacks, including the difficulty of finding the data. The equation (named after...
Have we set parameters that are too narrow for what constitutes a habitable planet?
By: Eric Puravs
The answer depends on what we are looking for when we look for habitable planets. We could be looking for planets where similar life has developed, planets where any form of life might have developed, or planets where humans could live, perhaps with some terraforming...
Element facts: Flourine
By: Retha Boswell
Fluorine (atomic symbol F) is a pale yellow, corrosive, and flammable halogen gas. It is atomic number 9, located in period 2 and group 17 of the periodic table. The halogens are salt-forming non-metals, and fluorine is the lightest of these. Fluorine is the most...
Element facts: Helium
By: Jose Juan Gutierrez
Helium is a chemical element, which appears in the periodic table of elements as the second lightest element, following the chemical element hydrogen. Helium is the first noble gas showing in the top left side of the periodic table. Helium is the second most abundant...
Element facts: Helium
By: Patricia Jankowski
Helium is an element that occurs as a gas at standard temperature and pressure. It is an inert gas, which means that it is, for all practical purposes, not chemically reactive. One atom of helium has two protons, two neutrons and two electrons, filling its...
Element facts: Bromine
By: Retha Boswell
Bromine (atomic symbol Br) is a liquid, nonmetal halogen. Halogens are all “salt-formers." Bromine is atomic number 35, period 4 and group 17 on the periodic table. As a liquid, Bromine is reddish-brown, heavy and very dangerous. When in vapor form it is...
By: Shaheen Daad
Quantum radar technology is still in its development stage, and high claims are being made for it. One of its most promising applications is in a foolproof radar system, specifically in the field of detection and identification of enemy aircraft. Radar has been used from...
Element facts: Cadmium
By: Retha Boswell
Cadmium (atomic symbol Cd) is a very soft metal, similar to zinc. It is atomic number 48, group 12 and period 6, positioned directly under zinc on the periodic table. It is one of the 38 elements in groups 3 through 12 known as transition...
By: Retha Boswell
Helium (atomic symbol He) is the second most abundant element in the universe after hydrogen. Along with hydrogen and lithium, helium is believed to have been created in the first three minutes of the universe’s existence. It is one of the six noble gases...

 

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