Lecture 9 - Notes on Galileo
... Measuring the angular position of a star in the east-west direction is meaningless unless you know what time it is. If you sail from London westward, you want to know how far in longitude you have traveled. But that requires knowing what time it is back in London. If you measure the angular positio ...
... Measuring the angular position of a star in the east-west direction is meaningless unless you know what time it is. If you sail from London westward, you want to know how far in longitude you have traveled. But that requires knowing what time it is back in London. If you measure the angular positio ...
The Marine Sextant
... • A sextant is used to determine the sextant altitude (hs) of a celestial body. • First, we have to decide which stars to observe; this is done using a Rude Starfinder or other methods. • When making an observation, the star should look as shown in the next slide... ...
... • A sextant is used to determine the sextant altitude (hs) of a celestial body. • First, we have to decide which stars to observe; this is done using a Rude Starfinder or other methods. • When making an observation, the star should look as shown in the next slide... ...
Chapter 10
... evolution into a red giant. How can star clusters help us check test this theory? 3. Describe the steps in the formation of a white dwarf star and a planetary nebula beginning at the red giant stage. 4. Describe the properties of a white dwarf. 5. What is a “nova” and how does it work? 6. Describe t ...
... evolution into a red giant. How can star clusters help us check test this theory? 3. Describe the steps in the formation of a white dwarf star and a planetary nebula beginning at the red giant stage. 4. Describe the properties of a white dwarf. 5. What is a “nova” and how does it work? 6. Describe t ...
Unit 11: Astronomy
... How many times bigger is 24 centimeters than 0.20 millimeters? These are the diameters of Earth for the two scale models you created. Using your answer to question 5a, what would be the distance between the sun and Pluto on this larger scale? Come up with a way to explain or model this distance. Why ...
... How many times bigger is 24 centimeters than 0.20 millimeters? These are the diameters of Earth for the two scale models you created. Using your answer to question 5a, what would be the distance between the sun and Pluto on this larger scale? Come up with a way to explain or model this distance. Why ...
Star Map - Science Centre
... Mizar & Alcor – two very close stars. A good test of eyesight. Easily viewed through binoculars. Alcor is the further of the two. Mizar is actually multiple stars containing several more stars. A ...
... Mizar & Alcor – two very close stars. A good test of eyesight. Easily viewed through binoculars. Alcor is the further of the two. Mizar is actually multiple stars containing several more stars. A ...
Brahe, Kepler
... -He made the best measurements that had yet been made in the search for stellar parallax. -He found no parallax for the stars. -He concluded : 1) either the earth was motionless at the center of the Universe 2) the stars were so far away that their parallax was too small to measure. Brahe could not ...
... -He made the best measurements that had yet been made in the search for stellar parallax. -He found no parallax for the stars. -He concluded : 1) either the earth was motionless at the center of the Universe 2) the stars were so far away that their parallax was too small to measure. Brahe could not ...
Astronomy Timeline
... 130 B.C. - Greek astronomer Hipparchus develops the first accurate star map and star catalogue, and a reliable method to predict solar eclipses 46 B.C. - Julius Caesar, after consulting the astronomer Sosigenes of Alexandria, introduces the Julian Calendar, a regular year of 365 days divided into 12 ...
... 130 B.C. - Greek astronomer Hipparchus develops the first accurate star map and star catalogue, and a reliable method to predict solar eclipses 46 B.C. - Julius Caesar, after consulting the astronomer Sosigenes of Alexandria, introduces the Julian Calendar, a regular year of 365 days divided into 12 ...
Polaris – Distance to Pole
... Kepler relies on Tycho’s data quality … And from this such small difference of 8 minutes of arc it is clear why Ptolemy , … accepted a fixed Equant point. ... For Ptolemy set out that he actually did not get below 10 minutes of arc … in making observations. To us, on whom Divine benevolence has bes ...
... Kepler relies on Tycho’s data quality … And from this such small difference of 8 minutes of arc it is clear why Ptolemy , … accepted a fixed Equant point. ... For Ptolemy set out that he actually did not get below 10 minutes of arc … in making observations. To us, on whom Divine benevolence has bes ...
Lecture 2 Understand the sky we see from the Earth
... • What is the cause of the seasons on Earth? • As the Earth orbits the sun, the tilt of the axis causes different portions of the Earth to receive more or less direct sunlight at different times of year. The two hemispheres have opposite seasons. The summer solstice is the time when the northern hem ...
... • What is the cause of the seasons on Earth? • As the Earth orbits the sun, the tilt of the axis causes different portions of the Earth to receive more or less direct sunlight at different times of year. The two hemispheres have opposite seasons. The summer solstice is the time when the northern hem ...
swiss ephemeris - Welcome, but
... 6.1.5. Equal System ................................................................................................................................... 34 6.1.6 Vehlow-equal System ...................................................................................................................... ...
... 6.1.5. Equal System ................................................................................................................................... 34 6.1.6 Vehlow-equal System ...................................................................................................................... ...
FOSS Earth and Sun Module Glossary NGSS Edition © 2016 absorb
... drought a less-than-normal amount of rain or snow over a period of time (SRB, IG) dwarf planet a round object that orbits the Sun but does not orbit a planet (SRB, IG) earth material the various solids, liquids, and gases that make up the earth (IG) energy transfer the movement of energy from one p ...
... drought a less-than-normal amount of rain or snow over a period of time (SRB, IG) dwarf planet a round object that orbits the Sun but does not orbit a planet (SRB, IG) earth material the various solids, liquids, and gases that make up the earth (IG) energy transfer the movement of energy from one p ...
No - arpdcworkshops
... gravitational forces acting on the objects. Manipulate the mass, position, orbital, motion, gravitational, force, and initial velocity for a range of "planets" in an effort to build a stable gravity, astronomy, Kepler, kepler, solar system. earth, physical Kepler's, Kepler, planetary, orbit, planet, ...
... gravitational forces acting on the objects. Manipulate the mass, position, orbital, motion, gravitational, force, and initial velocity for a range of "planets" in an effort to build a stable gravity, astronomy, Kepler, kepler, solar system. earth, physical Kepler's, Kepler, planetary, orbit, planet, ...
2. Galileo Magnifico
... (just as the Moon does), and four star-like points (now known as the Galilean moons) were obviously in orbit around the planet Jupiter. None of these facts could be explained using the old geocentric Ptolemaic system. It’s worth taking a more detailed look at Galileo’s telescopic observations and di ...
... (just as the Moon does), and four star-like points (now known as the Galilean moons) were obviously in orbit around the planet Jupiter. None of these facts could be explained using the old geocentric Ptolemaic system. It’s worth taking a more detailed look at Galileo’s telescopic observations and di ...
Unit 6: Astronomy
... through space! That's right, 18.5 miles per second, or 1110 miles in one hour! And as a passenger on the planet Earth, each year you travel approximately 600 million miles along the Earth's orbit around the Sun, held in orbit by gravity. And while you are traveling at these vast speeds through space ...
... through space! That's right, 18.5 miles per second, or 1110 miles in one hour! And as a passenger on the planet Earth, each year you travel approximately 600 million miles along the Earth's orbit around the Sun, held in orbit by gravity. And while you are traveling at these vast speeds through space ...
a PDF version of the Uniglobe Manual.
... positions on the CELESTIAL GLOBE of the Uniglobe. The effect of the size of the earth on measurement of angle is shown in Figure 13. The extremely large distances from the earth to a celestial object, compared to the radius of the earth, results in making the lines of sight effectively parallel. Thi ...
... positions on the CELESTIAL GLOBE of the Uniglobe. The effect of the size of the earth on measurement of angle is shown in Figure 13. The extremely large distances from the earth to a celestial object, compared to the radius of the earth, results in making the lines of sight effectively parallel. Thi ...
200 THE COPERNICAN REVOLUTION the opposition to
... better calibrated than those in use before. With great ingenuity he investigated and corrected many errors that developed in using these instruments, establishing a whole series of new techniques for the collection of accurate information about the position of planets and stars. Most important of al ...
... better calibrated than those in use before. With great ingenuity he investigated and corrected many errors that developed in using these instruments, establishing a whole series of new techniques for the collection of accurate information about the position of planets and stars. Most important of al ...
Comparison of Precession Theories: An
... oblate Earth that has even minor local gravitational binding (a la lunisolar forces on a small scale), would cause a constant reorientation of the Earth’s spin axis relative to inertial space, commensurate with the motion of the binary, plus or minus the local effects. In this case the observable o ...
... oblate Earth that has even minor local gravitational binding (a la lunisolar forces on a small scale), would cause a constant reorientation of the Earth’s spin axis relative to inertial space, commensurate with the motion of the binary, plus or minus the local effects. In this case the observable o ...
Parallax
... nearby stars. This provides the basis for all other distance measurements in astronomy, the cosmic distance ladder. Here, the term "parallax" is the angle or semi-angle of inclination between two sightlines to the star. Parallax also affects optical instruments such as binoculars, microscopes, and t ...
... nearby stars. This provides the basis for all other distance measurements in astronomy, the cosmic distance ladder. Here, the term "parallax" is the angle or semi-angle of inclination between two sightlines to the star. Parallax also affects optical instruments such as binoculars, microscopes, and t ...
CH2.Ast1001.F13.EDS
... Summary: Two conditions must be met to have an eclipse 1. It must be a full moon (for a lunar eclipse) or a new moon (for a solar eclipse). AND 2. The Moon must be at or near one of the two points in its orbit where it crosses the ecliptic plane (its nodes). ...
... Summary: Two conditions must be met to have an eclipse 1. It must be a full moon (for a lunar eclipse) or a new moon (for a solar eclipse). AND 2. The Moon must be at or near one of the two points in its orbit where it crosses the ecliptic plane (its nodes). ...
6 Uniform Circular Motion and Gravitation
... a straight line at constant speed unless there is a net external force. We will therefore study not only motion along curves, but also the forces that cause it, including gravitational forces. In some ways, this chapter is a continuation of Dynamics: Newton's Laws of Motion as we study more applicat ...
... a straight line at constant speed unless there is a net external force. We will therefore study not only motion along curves, but also the forces that cause it, including gravitational forces. In some ways, this chapter is a continuation of Dynamics: Newton's Laws of Motion as we study more applicat ...
Solar System
... 4-5SYSA Systems contain subsystems and are themselves parts of larger systems 4-5 SYSB A System can do things that none of it’s subsystems can do by themselves 4-5 ES1A The earth is a huge ball in space. People are held on it’s surface by gravity. 4-5 ES1B Earth spins on it’s axis once a day and orb ...
... 4-5SYSA Systems contain subsystems and are themselves parts of larger systems 4-5 SYSB A System can do things that none of it’s subsystems can do by themselves 4-5 ES1A The earth is a huge ball in space. People are held on it’s surface by gravity. 4-5 ES1B Earth spins on it’s axis once a day and orb ...
The Sky This Month
... The Planets this month • Mercury and Saturn – Morning objects low on the SE horizon • Look SE just before dawn. • Mercury is too close to the sun to be readily visible! ...
... The Planets this month • Mercury and Saturn – Morning objects low on the SE horizon • Look SE just before dawn. • Mercury is too close to the sun to be readily visible! ...
Seeing Earth`s Orbit in the Stars: Parallax and Aberration
... The Ancient Greeks were aware that celestial objects viewed from different locations on Earth might appear in slightly different locations relative to the background stars. They used this effect, known as ...
... The Ancient Greeks were aware that celestial objects viewed from different locations on Earth might appear in slightly different locations relative to the background stars. They used this effect, known as ...
lecture3
... • What is the cause of the seasons on Earth? • As the Earth orbits the sun, the tilt of the axis causes different portions of the Earth to receive more or less direct sunlight at different times of year. The two hemispheres have opposite seasons. The summer solstice is the time when the northern hem ...
... • What is the cause of the seasons on Earth? • As the Earth orbits the sun, the tilt of the axis causes different portions of the Earth to receive more or less direct sunlight at different times of year. The two hemispheres have opposite seasons. The summer solstice is the time when the northern hem ...