1 Questions & Certified Solutions / 100%
Quiz____?
The name of the seven days of the week are based on the:
a.) the brightest stars in each of the seven largest constellations of the ancient world b.) seven planets closest to the Sun c.) seven brightest stars in the prominent constellatio Orion.d.) most popular greek gods e.) seven naked-eye objects that appear to move among the constellations. - Answer✓✓ e.)
Quiz____?
Ptolemy was important in the history of astronomy because he:
a.) developed the first scientific method of the universe b.) was the first to create a model of the solar system that placed the sun rather than the Earth at the centre c.) was the first to believe that all orbits are perfect circles d.) developed a model of the solar system that made sufficiently accurate predictions of planetary positions to remain in use for many centries.e.) was the first to believe in an Earth-centred universe - Answer✓✓ d.)
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2 Galileo observed that Jupiter has moons. From this information you may conclude that a.) Jupiter orbits Earth b.) Jupiter orbits the Sun c.) there are so called heavenly objects that do not orbit the earth and although its clear that the Moon orbits the Earth there is, then, no reason why the Earth-Moon combination cannot orbit the sun d.) Jupiter is the centre of the solar system - Answer✓✓ c.)
Quiz____?How did keplers first law of planetary motion alter the copernican system?a.) it removed the epicycles from the perfect circle b.) it placed the sun at the centre of the ellipse c.) it changed the perfect circles to ellipses d.) it added epicycles to the perfect cycles e.) it put the sun at one focus of the ellipse and the planet at the other focus. - Answer✓✓ c.)
Quiz____?Which of the following best describes the origin of ocean tides on earth?a.) tides are caused by the difference in the force of gravity exerted by the Moon across the sphere of the Earth b.) Tides are caused by the 23.5 tilt of the Earth's rotational axis to the ecliptic plane c.) Tides are caused by the force of gravity exerted by the moon on earth d.) The Moons gravity pulls harder on water than on land, because water is less dense than rock 2 / 4
3 e.) Tides are caused primarily by the gravitational force of the Sun, the Moon has nothing to do with it. - Answer✓✓ a.)
Quiz____?The scientific method is best described by which of the following a.) a system of using other scientists data to refute theories and formulate new ones that suit your own beliefs and inclinations b.) A system of collecting and analyzing data, formulating a hypothesis, testing the hypothesis and reformulating the hypothesis as needed c.) A system of using other scientists data and using deductive and inductive reasoning to prove theories d.)a system of data collection involving new investigations which hopefully lead to a new, irrefutable theories resulting in Nobel prizes e.) a system of collecting and analyzing data and reformulating hypothesis which lead to the dispelling of or proving old theories. - Answer✓✓ b.)
Quiz____?What determines the date of easter a.) the second sunday after the spring equinox b.) the sunday following the first new moon following the spring equinox c.) the sunday following the first full moon following the spring equinox d.) the first sunday after the spring equinox e.) the sunday before the first new moon, following the spring equinox - Answer✓✓ c.) 3 / 4
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Quiz____?Which statement of the cosmological principle is valid?a.) it is based on only one tenet and that is the laws of physics and chemistry apply only to our solar system b.) It is based on the two tenets involving the universality of the laws of physics and chemistry and the belief that there is nothing special about the Earth c.) it is based on only one tenet that there is nothing special about earth d.) it is based on two tenets involving uniqueness of Earth and the universality of the laws of physics and chemistry e.) it is based on three tenets involving the uniqueness of Earth, the universality of the laws of physics and chemistry, and the concept that our galaxy is the centre of the Universe. - Answer✓✓ b.)
Quiz____?Which of the following is not an example of a pseudoscience a.) tarot cards b.) reading tea leaves c.) astrology d.) palm reading e.) astronomy - Answer✓✓ e.)
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