(Encyclopedia) virtual observatory, a collection of integrated astronomical data archives and software tools that utilize computer networks to create an environment in which research can be conducted…
WAVES AND PARTICLESLIGHTHOUSETRANSMISSION OF LIGHTLIGHT SOURCESSHADOWSFIND OUT MORELight makes the world seem bright and colourful to our eyes. Light is a type of electromagnetic radiation that…
(Encyclopedia) neutron star, extremely small, extremely dense star, with as much as double the sun's mass but only a few miles in radius, in the final stage of stellar evolution. Astronomers Baade…
Source: The National Aeronautics and Space Administration (NASA) The diameter of our closest star, the Sun, is 1,392,000 kilometers. The Sun is thought to be 4.6 billion years old. The Sun is a…
PUZZLE FOR THE EYEREFRACTION IN HEAT HAZEMIRAGEFIND OUT MORELight rays usually travel in straight lines, but when they pass from one material to another they can be forced to bend (change…
(Encyclopedia) Matthew of Paris or Matthew Paris, d. 1259, English historian, a monk of St. Albans. He became the historiographer of the convent after the death (c.1236) of Roger of Wendover. The…
Texas State Facts
Entered Union: Dec. 29, 1845 (28th State)Organized as republic: 1836Present constitution adopted: 1876
Fun Facts
State abbreviation/Postal code: Tex./TXNickname: The Lone Star…
