Today`s Powerpoint
... => Sun burns 600 billion kg of H into He every second Only about 10% of mass of sun will ever by involved in burning H M_sun fusion = 0.1 x times mass of sun (2 x 1030 kg) = 2 x 1029 kg Seconds in one year = 3.16 x 107 s/year How many years will the Sun last? ...
... => Sun burns 600 billion kg of H into He every second Only about 10% of mass of sun will ever by involved in burning H M_sun fusion = 0.1 x times mass of sun (2 x 1030 kg) = 2 x 1029 kg Seconds in one year = 3.16 x 107 s/year How many years will the Sun last? ...
Unit 8 Chapter 29
... 1,380,000km (~100 earth’s). It is 94,000,000 miles from the earth. It takes 8 minutes 20 seconds for sunlight to reach the earth. It would take 195 years at 55 mph to drive to the sun. The sun’s rotation period at the equator is approximately 25.3 earth days and 33 earth days at poles. This gives it ...
... 1,380,000km (~100 earth’s). It is 94,000,000 miles from the earth. It takes 8 minutes 20 seconds for sunlight to reach the earth. It would take 195 years at 55 mph to drive to the sun. The sun’s rotation period at the equator is approximately 25.3 earth days and 33 earth days at poles. This gives it ...
Astronomy Exam Reveiw ANSWER KEY
... 33. The brightest, most distant visible objects in space are quasars. What is a quasar? a. a collapsed star b. the very bright centers of some distant galaxies c. moons of distant planets ...
... 33. The brightest, most distant visible objects in space are quasars. What is a quasar? a. a collapsed star b. the very bright centers of some distant galaxies c. moons of distant planets ...
EARTH SCIENCE MIDTERM REVIEW SHEET
... Latitude lines are drawn east to west, but the angle is measured north or south of the equator. Longitude lines are drawn north to south, but the angle is measured east or west of the prime meridian. Be able to find latitude of NY Cities, Ocean Currents or Tectonic Plates ESRT pg 2, 3, 4 &5 Be able ...
... Latitude lines are drawn east to west, but the angle is measured north or south of the equator. Longitude lines are drawn north to south, but the angle is measured east or west of the prime meridian. Be able to find latitude of NY Cities, Ocean Currents or Tectonic Plates ESRT pg 2, 3, 4 &5 Be able ...
Planetary Cycles Witness To The Creator
... 4. throw it around the pole so that it orbits, and declare that one lap equals one "year" of time, but make sure that you throw it at a speed so that one year is about 365.2467463 days, in which this value is very important for the next step, 5. measure the difference between the lap time of this th ...
... 4. throw it around the pole so that it orbits, and declare that one lap equals one "year" of time, but make sure that you throw it at a speed so that one year is about 365.2467463 days, in which this value is very important for the next step, 5. measure the difference between the lap time of this th ...
Name: ________________________ Date: Chapter 13: Earth
... orbit p. 474 equator p. 474 solar system p. 492 constellation p. 493 moon p. 482 universe p. 498 crater p. 482 galaxy p. 498 1. The path that Earth takes as it moves around the sun is its _____________________________. 2. The sun is the center of our _________________________. 3. Everything that exi ...
... orbit p. 474 equator p. 474 solar system p. 492 constellation p. 493 moon p. 482 universe p. 498 crater p. 482 galaxy p. 498 1. The path that Earth takes as it moves around the sun is its _____________________________. 2. The sun is the center of our _________________________. 3. Everything that exi ...
Chapter 1
... • In summer months of Northern hemisphere, the Sun rises north of east and sets north of west • In winter months of Northern hemisphere, the Sun rises south of east and sets south of west • The solstices (about June 21 and December 21) are when the Sun rises at the most extreme north and south point ...
... • In summer months of Northern hemisphere, the Sun rises north of east and sets north of west • In winter months of Northern hemisphere, the Sun rises south of east and sets south of west • The solstices (about June 21 and December 21) are when the Sun rises at the most extreme north and south point ...
Lecture082802
... which is swinging along the east-west line This pendulum will not rotate At latitudes in the middle, the pendulum will rotate with a period more than 24 hours ...
... which is swinging along the east-west line This pendulum will not rotate At latitudes in the middle, the pendulum will rotate with a period more than 24 hours ...
File
... and Mars. Jupiter is the largest planet in our solar system. The solar system is also made up from other objects including asteroid belts, moons, and dwarf planets like Pluto. On a clear night we are able to see the moon. The moon is in synchronous rotation with Earth. This means that we always see ...
... and Mars. Jupiter is the largest planet in our solar system. The solar system is also made up from other objects including asteroid belts, moons, and dwarf planets like Pluto. On a clear night we are able to see the moon. The moon is in synchronous rotation with Earth. This means that we always see ...
Class notes
... Comets are characterized by dust and gas tails when in proximity to the Sun. Far from the Sun it is difficult to distinguish an asteroid from a comet. Meteoroid A small particle from an asteroid or comet orbiting the Sun. Meteor A meteoroid that is observed as it burns up in the Earth's atmosphere - ...
... Comets are characterized by dust and gas tails when in proximity to the Sun. Far from the Sun it is difficult to distinguish an asteroid from a comet. Meteoroid A small particle from an asteroid or comet orbiting the Sun. Meteor A meteoroid that is observed as it burns up in the Earth's atmosphere - ...
302 Final Review
... 50. The temperature/heat inside a star determines the star’s color or brightness 51. After a super giant star goes supernova it can turn into one of two things, a neutron star or a black hole. ...
... 50. The temperature/heat inside a star determines the star’s color or brightness 51. After a super giant star goes supernova it can turn into one of two things, a neutron star or a black hole. ...
4 - grade 6 science
... Section B – True or False (10) a) For about 30 days in the winter the Arctic Circle does not get any sunlight ________ b) Astrology is a legitimate science __________ c) Planets and moons are all held in place by gravity __________ d) The moon is the Earth’s closest star __________ e) The tilt of th ...
... Section B – True or False (10) a) For about 30 days in the winter the Arctic Circle does not get any sunlight ________ b) Astrology is a legitimate science __________ c) Planets and moons are all held in place by gravity __________ d) The moon is the Earth’s closest star __________ e) The tilt of th ...
Introduction to space – Celestial sphere
... Star time, properly called sidereal time, is the hour angle of the Vernal Equinox. Because the Sun moves to the east along the ecliptic, the Sun takes longer to make a circuit of the sky on its daily path than does a star or the equinox, so the solar day is 4 minutes longer than the sidereal day. As ...
... Star time, properly called sidereal time, is the hour angle of the Vernal Equinox. Because the Sun moves to the east along the ecliptic, the Sun takes longer to make a circuit of the sky on its daily path than does a star or the equinox, so the solar day is 4 minutes longer than the sidereal day. As ...
Astronomy Notes
... much gravity that nothing escapes it, not even visible light. - not possible to detect directly because no energy is given off, need to look at surrounding area to find another star caught in its gravity and see what it is doing to that companion star ...
... much gravity that nothing escapes it, not even visible light. - not possible to detect directly because no energy is given off, need to look at surrounding area to find another star caught in its gravity and see what it is doing to that companion star ...
Solar System Power Point
... Hydrogen atoms, lost mass becomes energy • How energy is produced in the center of stars • Takes millions of years for energy to reach the sun’s surface. • It takes 8.3 minutes for sunlight to reach the Earth ...
... Hydrogen atoms, lost mass becomes energy • How energy is produced in the center of stars • Takes millions of years for energy to reach the sun’s surface. • It takes 8.3 minutes for sunlight to reach the Earth ...
STARS
... • An enormous explosion when a large star dies. • When all the hydrogen is used up the core collapses • The absence of pressure causes a neutron star or a black hole. • The explosion can be bright enough to see during the day! ...
... • An enormous explosion when a large star dies. • When all the hydrogen is used up the core collapses • The absence of pressure causes a neutron star or a black hole. • The explosion can be bright enough to see during the day! ...
Lesson 4d Models of the Solar System
... Sun-centred (heliocentric) First proposed by Aristarchus (2nd century BC), but it has come to be associated with Copernicus (1473-1543) Orbits are still taken to be circular Explains retrograde motion of planets ...
... Sun-centred (heliocentric) First proposed by Aristarchus (2nd century BC), but it has come to be associated with Copernicus (1473-1543) Orbits are still taken to be circular Explains retrograde motion of planets ...
REVIEW FOR TEST ON THURSDAY!!!! 1. Scientist can use for
... things every day! What makes it possible for scientists gather new information about atmospheres we never studied before? A. People like you designing new instruments and technology that help them see things they could never see before. B. New theories that change the way scientists interpret alread ...
... things every day! What makes it possible for scientists gather new information about atmospheres we never studied before? A. People like you designing new instruments and technology that help them see things they could never see before. B. New theories that change the way scientists interpret alread ...
Astronomy
... observatory in Copenhagen, Denmark. This observatory served as a model for accurate and precise measurements of celestial bodies. Brahe also noted that a phenomenon of a ...
... observatory in Copenhagen, Denmark. This observatory served as a model for accurate and precise measurements of celestial bodies. Brahe also noted that a phenomenon of a ...
8th Grade Midterm Test Review
... 24. Why is a year on Mars longer than a year on Earth? • Mars is farther from the Sun than Earth is. ...
... 24. Why is a year on Mars longer than a year on Earth? • Mars is farther from the Sun than Earth is. ...
Lecture 3 - Concord University
... The principle of science, the definition, almost, is the following: The test of all knowledge is observation. Experiment is the sole judge of scientific “truth.” The first principle is that you must not fool yourself–and you are the easiest person to fool. ...
... The principle of science, the definition, almost, is the following: The test of all knowledge is observation. Experiment is the sole judge of scientific “truth.” The first principle is that you must not fool yourself–and you are the easiest person to fool. ...
Response to Matthew Miller re Geocentrism
... to have the stars orbit the sun (like the planets) for Tycho, which would give the same yearly shifts in their apparent positions as parallax gives. Thus if parallax were observed, a flexible Tychonean could adjust the theory to account for it, without undue complexity. What if parallax were not obs ...
... to have the stars orbit the sun (like the planets) for Tycho, which would give the same yearly shifts in their apparent positions as parallax gives. Thus if parallax were observed, a flexible Tychonean could adjust the theory to account for it, without undue complexity. What if parallax were not obs ...
(Part I) 1. Practice Quiz 2. Introduction 3. Earth Spins Around Its Axis
... Imagine the pendulum is at the North Pole It will continue to swing back and forth in the same plane. However, the Earth will rotate underneath it. So to someone standing nearby the pendulum will appear to rotate, completing one revolution per day Now consider a pendulum at the equator which is swin ...
... Imagine the pendulum is at the North Pole It will continue to swing back and forth in the same plane. However, the Earth will rotate underneath it. So to someone standing nearby the pendulum will appear to rotate, completing one revolution per day Now consider a pendulum at the equator which is swin ...