Astronomy Final Exam with Complete Solutions and Answers 100% Solved
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Course
Astronomy
Institution
Astronomy
Astronomy Final Exam with Complete
Solutions and Answers 100% Solved
asteroid ️️any of numerous small celestial bodies composed of rock and metal that move
around the sun (mainly between the orbits of Mars and Jupiter)
coma(of a comet) ️️A large dusty atmosphere surrounding the nucleu...
Astronomy Final Exam with Complete Solutions and Answers 100% Solved asteroid ✔️✔️any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter) coma(of a comet) ✔️✔️A large dusty atmosphere surrounding the nucleus mad up of gas and dust. comet ✔️✔️a celestial object consisting of a nucleus of ice and dust and, when near the sun, a "tail" of gas and dust particles pointing away from the sun. dust tail of a comet ✔️✔️forms when sunlight strikes the dust particles in the coma and the pressure exerted pushes the dust from the coma outward dwarf planet ✔️✔️a celestial body resembling a small planet but lacking certain technical criteria that are required for it to be classed as such. Kuiper Belt ✔️✔️A region of the solar system that is just beyond the orbit of Neptune and that contains small bodies made mostly of ice meteor ✔️✔️A streak of light in the sky produced by the burning of a meteoroid in Earth's atmosphere. meteorite ✔️✔️A meteoroid that passes through the atmosphere and hits Earth's surface. meteor showers ✔️✔️Forms when Earth passes through the tail of a comet or a cloud of dust left behind by a broken -up asteroid. nucleus of a comet ✔️✔️a collection of ices and dust that constitute the solid part of a comet Oort Cloud ✔️✔️a spherical region that surrounds the solar system, that extends from the Kuiper Belt to almost halfway to the nearest star, and that contains billions of comets plasma tail (of a comet) ✔️✔️one of two tails seen when a comet passes near the sun. it is composed of ionized gas blown away from the sun by the solar wind primitive meteorites ✔️✔️Meteorites that formed at the same time as the solar system itself, about 4.6 billion years ago. Primitive meteorites from the inner asteroid belt are usually stony, and those from the outer belt are usually carbon -rich. processed meteorites ✔️✔️Meteorites that apparently once were part of a larger object that "processed" the original material of the solar nebula into another form. Processed meteorites can be rocky if chipped from the surface or mantle, or metallic if blasted from the core. astrometric method ✔️✔️the detection of extrasolar planets through the side -to-side motion of a star caused by gravitational tugs from the planet Doppler Method ✔️✔️The detection of extrasolar planets through the motion of a star toward and away from the observer caused by gravitational tugs from the planet. extrasolar planets ✔️✔️a planet orbiting a star other than our Sun Hot Jupiters ✔️✔️A massive and presumably Jovian planet that orbits close to its star and consequently has a high temperature.
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