Astronauts
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To become an astronaut, one needs at least 1,000 hours of pilot experience flying jet aircraft, a bachelor's degree in engineering, science, or math, and good vision. Astronauts also undergo training, such as practicing tasks in water tanks, learning to use a spacesuit and eat special food to prepare for living and working in space.
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Dating rocks and fossils uses radiometric dating techniques like radiocarbon dating, potassium-argon dating, and uranium-lead dating to determine the age of rocks, fossils, and organic material by analyzing their radioactive decay through half-life processes. Radiometric dating is commonly used to identify the age of rocks on Earth and the moon, whose rocks are composed of three main suites: the ferroan anorthosite suite, the magnesian suite, and organic materials that can also be dated.
Pluto Project Greg And Victor 1
The document defines a planet and dwarf planet, discusses why Pluto is now classified as a dwarf planet rather than a planet, and provides details about Pluto's discovery, size, temperature, materials, rotation period, revolution period around the sun, and moons Charon, Nix, and Hydra. Clyde Tombaugh discovered Pluto in 1930 using a telescope. Pluto is smaller than other objects discovered in the solar system and is made of ice, rock, and methane gas. It has a freezing temperature and rotates once every 6 Earth days while revolving around the sun once every 248 Earth years.
Antique Diary Of History
This document is a diary entry describing the experience of being captured in Africa and sold into slavery. The narrator is captured while hunting and taken to the coast, where they are imprisoned on a ship along with other captives. During the grueling Middle Passage across the Atlantic, many captives die from disease or suffocation in the crowded conditions. Upon arriving in America, the survivors are sold at auction and the narrator is purchased to work on a plantation. Life there is difficult, with long work hours, meager housing, and brutal punishment including whipping and death for disobedience. The narrator thinks of their family in Africa and wonders if they will ever see them again.
Canada
- Canada has many mountain ranges with peaks over 3,500 meters, and its weather varies from cold in the north to hot in the southeast.
- Natural resources found in Canada include petroleum, oil, and hydroelectric power in the southeast and southwest, as well as gold, silver, uranium, and small amounts of other minerals.
- Canada borders the United States to the south and is divided into 13 provinces, with its major cities including Toronto, Montreal, Vancouver, Ottawa, and Calgary.
Enlightenment
The document discusses key dates and thinkers of the Enlightenment era and the impact of important battles and revolutions. It notes that the English Civil War, American Revolution, and French Revolution occurred between 1642-1799 and influenced Enlightenment thinkers like Samuel Adams, John Hancock, Thomas Jefferson, and John Locke. These battles gave nations like America, France, and England more rights and freedoms, and linked the countries' movements toward becoming free democracies without absolute rulers.
Troy
This document provides a summary of the characters, plot, acting, and differences from the source material in the film Troy. It describes the main characters including Hector, Paris, Achilles, and others involved in the war between Greece and Troy. The plot covers the last 50 days of the war, key battles, and how Greece ultimately defeats Troy through deception using the Trojan Horse. The acting is praised for clearly showing army movements and the progression of the war. Differences from the source material are noted, such as the book focusing more on the gods' decisions and not depicting Achilles' death.
nuclear explosion
A nuclear explosion occurs when the nuclei of atoms are split or fused in a self-sustaining chain reaction. This releases a tremendous amount of energy in an extremely short period of time. The heat and blast waves produced can destroy everything within a large radius, making nuclear weapons among the most destructive creations of humanity.
Nuclear science
Nuclear science involves nuclear explosions. A nuclear explosion occurs when the nuclei of atoms are split or fused together, releasing a massive amount of energy. This energy can be used constructively for power generation but also destructively for weapons if misused.
Nuclear Explosion
Nuclear science involves the study of nuclear explosions. Nuclear explosions release tremendous amounts of energy through nuclear fission or fusion reactions. The first atomic bombs dropped on Hiroshima and Nagasaki in 1945 demonstrated the immense destructive power that can be unleashed through nuclear reactions.
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Astronauts
- 1. WHAT MUST I DO TO BECOME AN ASTRONAUT? BY GREGORIO ROMAIRONE
- 2. To be an astronaut you need to have these following requirements
- 3. AT LEAST 1,000 HOURS PILOT-IN-COMMAND TIME IN JET AIRCRAFT.
- 4. A BACHELOR’S DEGREE FROM AN ACCREDITED INSTITUTION IN ENGINEERING, BIOLOGICAL SCIENCE, PHYSICAL SCIENCE, OR MATHEMATICS
- 5. A DISTANT VISUAL ACUITY OF 20/100 OR BETTER
- 6. Blood pressure at about 140/90 in a sitting position
- 9. backpack Spacesuit Gloves: contains heating units Space helmet
Editor's Notes
- A spacesuit is weighed so that in neither sinks nor rises. They eat canned and frozen food, nuts, granola bars, biscuits, and tinned pineapple.