Module P1 - The Earth in the universe
... P1.1.9. recall that a light-year is the distance travelled by light in a year P1.1.15. understand that the source of the Sun’s energy is the fusion of hydrogen nuclei P1.1.16. understand that all chemical elements with atoms heavier than helium were made in stars ...
... P1.1.9. recall that a light-year is the distance travelled by light in a year P1.1.15. understand that the source of the Sun’s energy is the fusion of hydrogen nuclei P1.1.16. understand that all chemical elements with atoms heavier than helium were made in stars ...
Telescopic Drawings or Photographs of Celestial
... observation (lunar - direct, solar pinhole projection), produce a series of drawings showing the progress of a lunar or solar eclipse. ...
... observation (lunar - direct, solar pinhole projection), produce a series of drawings showing the progress of a lunar or solar eclipse. ...
Stars, Galaxies & Universe
... Size- Giant, main sequence, and dwarf Temperature- blue=hot; red=cooler Brightness- apparent brightness and absolute magnitude HR diagram shows temperature, brightness, color of stars and where the star is in its life cycle. Used to graph the surface temperature (x-axis) vs. brightness (yaxis) Hotte ...
... Size- Giant, main sequence, and dwarf Temperature- blue=hot; red=cooler Brightness- apparent brightness and absolute magnitude HR diagram shows temperature, brightness, color of stars and where the star is in its life cycle. Used to graph the surface temperature (x-axis) vs. brightness (yaxis) Hotte ...
August
... Mizar & Alcor This pair in the constellation Ursa Major (URR-suh, MAY-jer) is a visual double. However, Mizar takes its place in the celestial hall of fame as the first known Binary Star, one that consists of a pair of gravitationally bound stars that orbit each other. Found to be double in 1650, t ...
... Mizar & Alcor This pair in the constellation Ursa Major (URR-suh, MAY-jer) is a visual double. However, Mizar takes its place in the celestial hall of fame as the first known Binary Star, one that consists of a pair of gravitationally bound stars that orbit each other. Found to be double in 1650, t ...
plasmas and fusion reactions
... no clear boundary between them. The inner belt is a few thousand kilometers from the Earth's surface, while the outer belt is at 20,000 km away. The particles in the belts are primarily electrons and protons. In the inner belt, the protons have a kinetic energy of 40 MeV and above. Some deuterons an ...
... no clear boundary between them. The inner belt is a few thousand kilometers from the Earth's surface, while the outer belt is at 20,000 km away. The particles in the belts are primarily electrons and protons. In the inner belt, the protons have a kinetic energy of 40 MeV and above. Some deuterons an ...
slides - Walter Burke Institute for Theoretical Physics
... structure intermediate to the two states. . • ~5000 giants studied by Kepler, so many examples expected. . . Clear IDs starting to emerge. . ...
... structure intermediate to the two states. . • ~5000 giants studied by Kepler, so many examples expected. . . Clear IDs starting to emerge. . ...
Stars: Their Life and Afterlife
... not only tend to form close together in space, but also in time – and so, for massive stars, they will also die relatively close together in space and time. Superbubbles form from OB associations. OB associations are clusters of massive stars of spectral types – you guessed it – O and B. • O stars a ...
... not only tend to form close together in space, but also in time – and so, for massive stars, they will also die relatively close together in space and time. Superbubbles form from OB associations. OB associations are clusters of massive stars of spectral types – you guessed it – O and B. • O stars a ...
Powerpoint - UIUC HEP Group
... attributed to a then unknown chemical element. Helium is rare on Earth (not found until 1895), but is 27% of the Sun. Spectral analysis (requires photography) has become a key tool in astronomy. Because different atoms emit different colors, we can determine the chemical composition of even the most ...
... attributed to a then unknown chemical element. Helium is rare on Earth (not found until 1895), but is 27% of the Sun. Spectral analysis (requires photography) has become a key tool in astronomy. Because different atoms emit different colors, we can determine the chemical composition of even the most ...
Extension worksheet – Topic 6 - Cambridge Resources for the IB
... 4 b to measure distance and Spectroscopic parallax makes use of the formula so requires knowledge of luminosity and apparent brightness; apparent brightness can easily be measured with a CCD camera; the luminosity can be determined if we know the temperature of the star (obtained form its spectrum) ...
... 4 b to measure distance and Spectroscopic parallax makes use of the formula so requires knowledge of luminosity and apparent brightness; apparent brightness can easily be measured with a CCD camera; the luminosity can be determined if we know the temperature of the star (obtained form its spectrum) ...
Circular ac
... Lyra.[1][2] The planet was discovered by NASA's Kepler spacecraft using the transit method, in which the dimming effect that a planet causes as it crosses in front of its star is measured. NASA announced the confirmation of the exoplanet on 6 January 2015.[1] Although it is not habitable, as of June ...
... Lyra.[1][2] The planet was discovered by NASA's Kepler spacecraft using the transit method, in which the dimming effect that a planet causes as it crosses in front of its star is measured. NASA announced the confirmation of the exoplanet on 6 January 2015.[1] Although it is not habitable, as of June ...
gr-qc - UChicago High Energy Physics
... subject of research[2]. However, at the present time, it is not possible to realize a consistent quantum gravity theory which leads to the unification of gravitation with the other forces. One of the problems relies in the impossibility of constructing a gauge-invariant and nonperturbative formalism ...
... subject of research[2]. However, at the present time, it is not possible to realize a consistent quantum gravity theory which leads to the unification of gravitation with the other forces. One of the problems relies in the impossibility of constructing a gauge-invariant and nonperturbative formalism ...
Document
... “With all reserve we advance the view that a supernova represents the transition of an ordinary star into a neutron star consisting mainly of neutrons. Such a star may possess a very small radius and an extremely high density. As neutrons can be packed much more closely than ordinary nuclei and elec ...
... “With all reserve we advance the view that a supernova represents the transition of an ordinary star into a neutron star consisting mainly of neutrons. Such a star may possess a very small radius and an extremely high density. As neutrons can be packed much more closely than ordinary nuclei and elec ...
The trisection of the angle. The trisection of the
... centre M , passes through C and has the property that line AC is tangent to it. This hyperbola will intersect the circle at a point E between A and B. Then 6 EDB is one-third of angle ACB. Proof: Draw EF parallel to AC to meet BC at F , and draw EC. Since point E is on the hyperbola we have (by Apo ...
... centre M , passes through C and has the property that line AC is tangent to it. This hyperbola will intersect the circle at a point E between A and B. Then 6 EDB is one-third of angle ACB. Proof: Draw EF parallel to AC to meet BC at F , and draw EC. Since point E is on the hyperbola we have (by Apo ...
The Sun: Source of heat and light
... The same thing happens with iron as it heats up. It glows orange at first, then becomes more yellow or white in colour as it warms up. Scientists say that it emits like a “black body”. To a good approximation, stars also emit like a “black body”. ...
... The same thing happens with iron as it heats up. It glows orange at first, then becomes more yellow or white in colour as it warms up. Scientists say that it emits like a “black body”. To a good approximation, stars also emit like a “black body”. ...
Stars III - Indiana University Astronomy
... • The process by which elements (nuclei) are created (synthesized) is called nucleosynthesis • Nucleosynthesis has occurred since the creation of the universe and will essentially go on forever • The elements created come together to form everything material we know, including us ...
... • The process by which elements (nuclei) are created (synthesized) is called nucleosynthesis • Nucleosynthesis has occurred since the creation of the universe and will essentially go on forever • The elements created come together to form everything material we know, including us ...
Lecture 1 - Simon P Driver
... • At what local /me would the object rise and set on 1st Feb: – RA overhead on 7th Feb is ~9h (see answer to part1) – RA overhead on 1st Feb is ~8.5h (2hr per month so ~0.5hr per week) ...
... • At what local /me would the object rise and set on 1st Feb: – RA overhead on 7th Feb is ~9h (see answer to part1) – RA overhead on 1st Feb is ~8.5h (2hr per month so ~0.5hr per week) ...
From last time Gravitational force Equal accelerations A fortunate
... • Everything inside it is also falling (accelerating toward Earth at that same rate). • The astronauts are freely falling inside a freelyfalling ‘elevator’. They have the perception of weightlessness, since their environment is falling just as they are. Physics 107, Fall 2006 ...
... • Everything inside it is also falling (accelerating toward Earth at that same rate). • The astronauts are freely falling inside a freelyfalling ‘elevator’. They have the perception of weightlessness, since their environment is falling just as they are. Physics 107, Fall 2006 ...
Lecture21 - Michigan State University
... Population II stars Stars in the halo, nuclear bulge, and globular clusters No correlation with the spiral arms Found throughout the Galaxy Can be found in elliptic orbits out of the plane of the disk This group consists entirely of old stars 12 billion years old ...
... Population II stars Stars in the halo, nuclear bulge, and globular clusters No correlation with the spiral arms Found throughout the Galaxy Can be found in elliptic orbits out of the plane of the disk This group consists entirely of old stars 12 billion years old ...
ppt
... The space station is falling… …similar to Newton’s apple • In its circular orbit, once around the Earth every 90 minutes, it is continuously accelerating toward the Earth at ~8.8 m/s2. • Everything inside it is also falling (accelerating toward Earth at that same rate). • The astronauts are freely ...
... The space station is falling… …similar to Newton’s apple • In its circular orbit, once around the Earth every 90 minutes, it is continuously accelerating toward the Earth at ~8.8 m/s2. • Everything inside it is also falling (accelerating toward Earth at that same rate). • The astronauts are freely ...
direct contact among galactic civilizations by relativistic
... their solar nebulae, thereby forming large numbers of massive planets of the Jovian type. There is good evidence that many of the chemical processes in the early history of the solar system occurred at low temperature’l’), and the low luminosity of late type stars is unlikely to impede condensation ...
... their solar nebulae, thereby forming large numbers of massive planets of the Jovian type. There is good evidence that many of the chemical processes in the early history of the solar system occurred at low temperature’l’), and the low luminosity of late type stars is unlikely to impede condensation ...
iStage2_EN_iSky smart measurements of the heaven
... the sun. This gives us changing perspectives and patterns in the sky and makes it difficult for us to orientate ourselves and determine our location in space. Throughout history, the use of the stars has been an important tool for determining the position of individuals and places on the Earth. From ...
... the sun. This gives us changing perspectives and patterns in the sky and makes it difficult for us to orientate ourselves and determine our location in space. Throughout history, the use of the stars has been an important tool for determining the position of individuals and places on the Earth. From ...
GRB Progenitors and their environments
... • Helium-merger models (the merger of a star with a compact object – who named these?): inspiral of compact object both ejects outer layers and spins up the soon-to-be accreting material. • Environments surrounding both models tightly tied to stellar winds/binary mass ejection. ...
... • Helium-merger models (the merger of a star with a compact object – who named these?): inspiral of compact object both ejects outer layers and spins up the soon-to-be accreting material. • Environments surrounding both models tightly tied to stellar winds/binary mass ejection. ...