Physical Science

Uranus is the third-largest planet in the solar system, and the seventh-farthest away from the Sun. This large, pale blue planet orbits between Saturn and more distant Neptune. Discovered by astronomers in 1781, this planet, along with its neighbour Neptune,…
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A quasar, or quasi-stellar radio source, is a distant, high-energy source of radio waves. Although they were relatively recently discovered (and have been studied only since the 1950s), astronomers now generally agree that quasars are the extremely dense nucleus regions…
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There is a theory that a black hole is a place in space where the force of gravity is so strong that not even light can escape from it.  Most of the articles you read about black holes are written…
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Without question, the riskiest and most specialized job that an astronaut can do in space is space walking, otherwise known as EVA or Extra Vehicular Activity. Over the course of the last decade and a half, NASA has made four…
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It seems funny to wonder what astronauts do for fun in space – they’re in space! How much more fun could you have? In order to complete their experiments and keep their ship in working order, astronauts have to adhere…
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Very carefully is probably the quick answer but clearly there is more to it than that. A little research can come up with some interesting facts and figures about just how much technology is involved in feeding an astronaut. John…
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Advanced training for astronauts who are training for space missions can mostly be found at the Lyndon B. Johnson Space Center in Houston, Texas. They train for all aspects of space flights, from the flight itself, to work on the…
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In General Relativity, a black hole is defined as a region of space time with gravitational field powerful enough to prevent light from escaping said region of space time. The mass, size and lifetime of a black hole could vary…
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When an individual applies to NASA for consideration as an astronaut, they are really applying for admission to the Astronaut Candidate training program. The requirements for selection to this training program are incredibly rigorous. Once accepted, the Astronaut Candidate will…
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To begin this report on space and time I will start by saying that human beings, as a species, have so little knowledge of ourselves and the world around us. Understanding this will assist you in keeping up with the…
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