Lecture5 - Tufts Institute of Cosmology
... • Newtonian: The Sun creates a gravitational field that exerts a force upon the Earth, which, in turn, causes it to orbit around the Sun rather than move in a straight line • General Relativity: The Mass-Energy Distribution of the Sun changes the geometry of space-time. The Earth is in free motion ( ...
... • Newtonian: The Sun creates a gravitational field that exerts a force upon the Earth, which, in turn, causes it to orbit around the Sun rather than move in a straight line • General Relativity: The Mass-Energy Distribution of the Sun changes the geometry of space-time. The Earth is in free motion ( ...
ASTR 300 Stars and Stellar Systems Spring 2011
... system would easily fit inside the sun. 9. The speed of Saturn in it’s orbit is 9.64 km/sec. Suppose a very distant observer saw the Sun’s light decrease as Saturn passed across the Sun’s disk. (a) How long would the decrease in light last? (b) By what fraction would the Sun’s light decrease? (c) Ho ...
... system would easily fit inside the sun. 9. The speed of Saturn in it’s orbit is 9.64 km/sec. Suppose a very distant observer saw the Sun’s light decrease as Saturn passed across the Sun’s disk. (a) How long would the decrease in light last? (b) By what fraction would the Sun’s light decrease? (c) Ho ...
Here
... poles related to Earth’s axis of rotation? 11. Why does the tilt of Earth’s axis relative to its orbit cause the seasons as Earth revolves around the Sun?... 15. Why is it warmer in the summer than in winter? 16. Why does the Moon exhibit phases? 23. At which phase(s) of the Moon does a solar eclips ...
... poles related to Earth’s axis of rotation? 11. Why does the tilt of Earth’s axis relative to its orbit cause the seasons as Earth revolves around the Sun?... 15. Why is it warmer in the summer than in winter? 16. Why does the Moon exhibit phases? 23. At which phase(s) of the Moon does a solar eclips ...
The Sun
... the movie at the point where the sunspot just disappears from view. What is the date and time when this happens? ...
... the movie at the point where the sunspot just disappears from view. What is the date and time when this happens? ...
9/20/16 Tuesday CP class Earth to Mars article
... Sending spacecraft to Mars is all about precision. It’s about blasting off from Earth with a controlled explosion, launching a robot into space in the direction of the Red Planet, navigating the intervening distance between our two planets, and landing with incredible precision. This intricate and c ...
... Sending spacecraft to Mars is all about precision. It’s about blasting off from Earth with a controlled explosion, launching a robot into space in the direction of the Red Planet, navigating the intervening distance between our two planets, and landing with incredible precision. This intricate and c ...
Science Through Postcard
... the gravitational force and hence the weight changes at different latitudes. The maximum difference is between the weight on the equator and that at the poles. This difference, however, is very small, only half a percent. Besides, the centrifugal force on the equator also causes a reduction in the w ...
... the gravitational force and hence the weight changes at different latitudes. The maximum difference is between the weight on the equator and that at the poles. This difference, however, is very small, only half a percent. Besides, the centrifugal force on the equator also causes a reduction in the w ...
The Origin of the Solar System
... observed today as dust disks of T Tauri stars. Sun and our Solar system formed ~ 4.6 billion years ago. ...
... observed today as dust disks of T Tauri stars. Sun and our Solar system formed ~ 4.6 billion years ago. ...
topics and terms sheet
... Celestial Pole. Generally shown as a greek “delta” (δ). So the “celestial coordinates” of a star or planet are given as, e.g. RA 13:31, δ +41.33 (or as degrees, minutes, seconds: 15°31'45"). Be able to change between decimal degrees and degrees, minutes, seconds. 22. Precession: movement of the Cele ...
... Celestial Pole. Generally shown as a greek “delta” (δ). So the “celestial coordinates” of a star or planet are given as, e.g. RA 13:31, δ +41.33 (or as degrees, minutes, seconds: 15°31'45"). Be able to change between decimal degrees and degrees, minutes, seconds. 22. Precession: movement of the Cele ...
Ayres-Kepler-ASC
... color show long term variations in Ca II emission, many cyclic. Others, typically low RHK and often subgiants, are ‘flat activity’ (Radick et al. 1998) ...
... color show long term variations in Ca II emission, many cyclic. Others, typically low RHK and often subgiants, are ‘flat activity’ (Radick et al. 1998) ...
Renaissance Astronomy
... Mars did not move at constant rate along orbit Therefore could not be on circular path Concluded it must be an ellipse with the Sun at one of the focii If orbit had been that of Jupiter or Saturn, doubtful he would have seen this So long as the mother, Ignorance, lives, it is not safe for Science, t ...
... Mars did not move at constant rate along orbit Therefore could not be on circular path Concluded it must be an ellipse with the Sun at one of the focii If orbit had been that of Jupiter or Saturn, doubtful he would have seen this So long as the mother, Ignorance, lives, it is not safe for Science, t ...
Your Guide to the Universe
... We look at the Sun rising every day. It’s bright, it’s big and it warms us up. Our Sun happens to be the brightest object in our Solar System and naturally we are really curious to know more about it. The Sun’s heat and light provide the energy for life to exist on Earth. The Sun is a giant ball of ...
... We look at the Sun rising every day. It’s bright, it’s big and it warms us up. Our Sun happens to be the brightest object in our Solar System and naturally we are really curious to know more about it. The Sun’s heat and light provide the energy for life to exist on Earth. The Sun is a giant ball of ...
The Sun – Our Star Chapter 8 Outline
... Need large proton speed ( high temperature) to overcome Coulomb barrier (electromagnetic repulsion between protons). T ≥ 107 0K = 10 million 0K ...
... Need large proton speed ( high temperature) to overcome Coulomb barrier (electromagnetic repulsion between protons). T ≥ 107 0K = 10 million 0K ...
Deep Space Mystery Note Form 3
... Telescope has allowed us to look farther than the milky way. 1885 observation of supernova S Andromedae in the Andromeda galaxy was the first to be observed with a telescope. Provide info on cosmological distances In the 1960s some astromomers discovered the maximum intensities of supernova ...
... Telescope has allowed us to look farther than the milky way. 1885 observation of supernova S Andromedae in the Andromeda galaxy was the first to be observed with a telescope. Provide info on cosmological distances In the 1960s some astromomers discovered the maximum intensities of supernova ...
The orbits of a planet and a binary star 1 Creating the objects 2
... What happens if you aim the objects straight away from each other? With large or small initial speeds? What happens if you aim the objects straight toward each other? (When the objects get very close, the force changes rapidly with distance, so the calculations become increasingly inaccurate and the ...
... What happens if you aim the objects straight away from each other? With large or small initial speeds? What happens if you aim the objects straight toward each other? (When the objects get very close, the force changes rapidly with distance, so the calculations become increasingly inaccurate and the ...
DP11 Foundations of Astronomy
... are a type of fundamental particle produced in the nuclear fusion reactions. They hardly ever interact with matter – about 50 trillion are passing through each of us every second. The fact that they almost never interact with matter is good, because it means that a neutrino produced in the core of t ...
... are a type of fundamental particle produced in the nuclear fusion reactions. They hardly ever interact with matter – about 50 trillion are passing through each of us every second. The fact that they almost never interact with matter is good, because it means that a neutrino produced in the core of t ...
What`s Up - April 2016
... orbit of Mercury, Earth would be global toast, and so would we. Rising in the southeast in April evenings are the stars of the Southern Cross and the Pointers (Alpha and Beta Centauri). The Alpha Centauri seen by the eye as a single bright star is easily separated by a small telescope into a brillia ...
... orbit of Mercury, Earth would be global toast, and so would we. Rising in the southeast in April evenings are the stars of the Southern Cross and the Pointers (Alpha and Beta Centauri). The Alpha Centauri seen by the eye as a single bright star is easily separated by a small telescope into a brillia ...
AN APPROACH TO THE LEMNISCATEPATH OF
... harmonically are said to be orthogonal. Then all ellipses containing I and J are called circles. The lemniscate of Bernoulli contains both those points as imaginary crossing points. We may replace the intuitive elements called "lines" by circles through a fixed p ...
... harmonically are said to be orthogonal. Then all ellipses containing I and J are called circles. The lemniscate of Bernoulli contains both those points as imaginary crossing points. We may replace the intuitive elements called "lines" by circles through a fixed p ...
Fingerprints in Sunlight - VCI
... Am emission or absorption line means a specific chemical element has been involved with the light you are seeing Careful, though. The element could be from the source, or from an intervening plasma or gas cloud ...
... Am emission or absorption line means a specific chemical element has been involved with the light you are seeing Careful, though. The element could be from the source, or from an intervening plasma or gas cloud ...
Stellar Remnants
... • An object as big as the Sun with a onemonth rotation period will rotate more than 1000 times a second if squeezed down to the size of a neutron star – This happens when a massive star’s iron core collapses – magnetic field beams radiation energy in opposite directions – Spinning beams make the pul ...
... • An object as big as the Sun with a onemonth rotation period will rotate more than 1000 times a second if squeezed down to the size of a neutron star – This happens when a massive star’s iron core collapses – magnetic field beams radiation energy in opposite directions – Spinning beams make the pul ...
Intro to Spectroscopy
... Am emission or absorption line means a specific chemical element has been involved with the light you are seeing Careful, though. The element could be from the source, or from an intervening plasma or gas cloud ...
... Am emission or absorption line means a specific chemical element has been involved with the light you are seeing Careful, though. The element could be from the source, or from an intervening plasma or gas cloud ...
Relativity
... according to Einstein, both observers had an equal right to consider themselves at rest, and neither had made any error in measurement. Each observer used a system of coordinates as the frame of reference for measurements, and these coordinates could be transformed one into the other by a mathematic ...
... according to Einstein, both observers had an equal right to consider themselves at rest, and neither had made any error in measurement. Each observer used a system of coordinates as the frame of reference for measurements, and these coordinates could be transformed one into the other by a mathematic ...
we can bee the change we wish to bee
... together, they “hide” and take something away that is no longer needed, thus Sun and Moon cast their shadow on the Earth, while they unite to create something new. Solar and Lunar eclipses create a consciousness that is based on the geometrical dance of the Sun, Moon and Earth. An eclipse brings the ...
... together, they “hide” and take something away that is no longer needed, thus Sun and Moon cast their shadow on the Earth, while they unite to create something new. Solar and Lunar eclipses create a consciousness that is based on the geometrical dance of the Sun, Moon and Earth. An eclipse brings the ...