Physical Science

UFOs and aliens have been around for thousands of years as evidenced by the numerous cave drawings and several other findings left behind by these beings. Moreover, they have interacted with many ancient civilizations that left evidence of technology which…
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Before explorers began sailing around the world, many people thought that the Earth was flat. Even scientists were ridiculed or killed because this, despite the fact that when looking up into the night’s sky, the round moon could be seen…
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Why the planets are round The simply answer is gravity. Gravity is the force that pulls every object in the universe towards every other object in the universe. There is gravity on or in every object that exists in the…
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Stars don’t actually twinkle although they appear to as their light is changed by the swishing of the wind and other atmospheric object on their way to us. Farther away they twinkle more because there is more distance between their…
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The Universe is immense. So immense, in fact, that astronomers had to come up with a new unit of distance to measure it with. Miles and kilometers were just too small. The unit that astronomers use to measure distances in…
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What is a Cosmic Ray? Cosmic Rays are actually individual energized particles that originate from space, not rays as the name would suggest. These particles essentially include all of the elements in the periodic table. Almost 90% of the particles…
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Each new mission brings new discoveries about the sun and the most recent are the boldest ever. On June 16, NASA scientist actually visited the sun. Well, not actually but a newer more efficient Solar Probe did snoop and it…
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Stars twinkle because of turbulence in the Earth’s atmosphere. While this certainly answers the question, it’s not an answer that the average joe can relate to, so here’s the answer explained using everyday terms and objects. Have you ever seen…
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Why Stars Twinkle The sun is the nearest star to earth and it does not twinkle. Stars only appear to twinkle. The stars that shine at night and the sun that shines in the day are the same kind of…
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The Earth is the only gift the universe has given to man.Dated back to about 4.5 billion years ago,it has a shape,described as geoid,as distinct from a sphere,but have a much more closer resemblance to what is called “an oblate…
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