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... CLASS COPY!!! CLASS COPY!!! CLASS COPY!!! CLASS COPY!!! HR STAR DIAGRAM OBJECTIVE: Compare a stars color, temperature, brightness, and size to its spectral class. PURPOSE: Plot stars according to brightness and temperature to create an HR diagram. PROCEDURES: 1. Study the star data table on the back ...
... CLASS COPY!!! CLASS COPY!!! CLASS COPY!!! CLASS COPY!!! HR STAR DIAGRAM OBJECTIVE: Compare a stars color, temperature, brightness, and size to its spectral class. PURPOSE: Plot stars according to brightness and temperature to create an HR diagram. PROCEDURES: 1. Study the star data table on the back ...
Hunting for Extrasolar Planets using the MMT
... • No planets so far... but watch this space! • 8 stars out of 25 observed, no planet ...
... • No planets so far... but watch this space! • 8 stars out of 25 observed, no planet ...
Issue 28 The Latest in Astronomy and Physical
... Astronomers, using the Kepler Space Telescope, plus other space and ground based telescopes, have so far discovered 1783 confirmed planets, plus an additional 2900 possible planetary candidates. They have discovered several different varieties of these so-called exoplanets, including super-Jupiters, ...
... Astronomers, using the Kepler Space Telescope, plus other space and ground based telescopes, have so far discovered 1783 confirmed planets, plus an additional 2900 possible planetary candidates. They have discovered several different varieties of these so-called exoplanets, including super-Jupiters, ...
SES4U ~ The Formation of Our Solar Systemstudentcopy
... negative buoyancy (silicate is hot enough to be plastic and "squishy" if not actually molten). – Conditions are HOT – volatile elements were lost to a significant degree. – Based on: • Asteroids – "unassembled" planets, – already differentiated into chemically different types. – Therefore, Protoplan ...
... negative buoyancy (silicate is hot enough to be plastic and "squishy" if not actually molten). – Conditions are HOT – volatile elements were lost to a significant degree. – Based on: • Asteroids – "unassembled" planets, – already differentiated into chemically different types. – Therefore, Protoplan ...
LibrA
... question as many astronomers say it is hospitable for life. Along with gliese 581c another in the system is gliese 581e which also is a earth-like planet being looked at. This system is under surveillance because al though the temperature of planet could be suited for life, like Venus the surface te ...
... question as many astronomers say it is hospitable for life. Along with gliese 581c another in the system is gliese 581e which also is a earth-like planet being looked at. This system is under surveillance because al though the temperature of planet could be suited for life, like Venus the surface te ...
Habitability: Good, Bad and the Ugly
... • How does the habitable zone around a star of spectral type M compare to that around a star of spectral type G? –A –B –C ...
... • How does the habitable zone around a star of spectral type M compare to that around a star of spectral type G? –A –B –C ...
3 Faraway, so close
... Galaxy, the Milky Way. A galaxy is a group of many stars, dust and gas held together by the gravitational force. The same force that holds you to the ground and prevent Earth to escape from the vicinity of the Sun. There are more than hundred billion stars in the Milky Way! Earth and the other plane ...
... Galaxy, the Milky Way. A galaxy is a group of many stars, dust and gas held together by the gravitational force. The same force that holds you to the ground and prevent Earth to escape from the vicinity of the Sun. There are more than hundred billion stars in the Milky Way! Earth and the other plane ...
Solar System Notes
... Through a process called _____________________, the heavier elements accreted to a planet sink to its core, while the lightest elements float on the planet’s surface. In the box to the right, draw a differentiated planet. ...
... Through a process called _____________________, the heavier elements accreted to a planet sink to its core, while the lightest elements float on the planet’s surface. In the box to the right, draw a differentiated planet. ...
Life & Mystery Topic • Mystery topic
... important by studying the star 51 Pegasi. – M&Q measured the speed of the star using Doppler effect – Doppler effect (p. 116): motion of star or us changes wavelength of light – Doppler effect measures only speed toward or away from us. ...
... important by studying the star 51 Pegasi. – M&Q measured the speed of the star using Doppler effect – Doppler effect (p. 116): motion of star or us changes wavelength of light – Doppler effect measures only speed toward or away from us. ...
downloadable pdf - University of Florida
... A University of Florida-led team of astronomers may have discovered the brightest star yet observed in the universe, a fiery behemoth that could be as much as seven times brighter than the current record holder. But don’t expect to find the star — which is at least 5 million times brighter than the ...
... A University of Florida-led team of astronomers may have discovered the brightest star yet observed in the universe, a fiery behemoth that could be as much as seven times brighter than the current record holder. But don’t expect to find the star — which is at least 5 million times brighter than the ...
pals_20160211_howpla.. - Department of Physics and Astronomy
... Remaining planetesimals may still be orbiting Sun (asteroids, meteoroids and comets) Most of unused gas blown away by strong solar wind Whole process: few Myr ...
... Remaining planetesimals may still be orbiting Sun (asteroids, meteoroids and comets) Most of unused gas blown away by strong solar wind Whole process: few Myr ...
Diapositiva 1
... The amount of the oscillation depends on the orbital details, including the orbit inclination along the line of sight, and on the mass ratio between the two objects (assuming the simple case of only two bodies). This approach takes benefits from the Doppler effect. For example, Jupiter ‘produces’ on ...
... The amount of the oscillation depends on the orbital details, including the orbit inclination along the line of sight, and on the mass ratio between the two objects (assuming the simple case of only two bodies). This approach takes benefits from the Doppler effect. For example, Jupiter ‘produces’ on ...
What is Epsilon Aurigae?
... • Maybe it is Nothing? Only if the disk is very massive (but then the disk would be too hot) •Maybe a Black hole? Nope (no X-ray emission) • A massive star? Two somewhat less massive stars? Only required if the F star is massive Too bright (in the UV)? • A single, normal, B-type star? Only i ...
... • Maybe it is Nothing? Only if the disk is very massive (but then the disk would be too hot) •Maybe a Black hole? Nope (no X-ray emission) • A massive star? Two somewhat less massive stars? Only required if the F star is massive Too bright (in the UV)? • A single, normal, B-type star? Only i ...
Distant planet with iron raindrops found
... planetary discoveries," said Dimitar Sasselov, leader of the Harvard-Smithsonian team. He reported on the discovery Monday at the national meeting of the American Astronomical Society. Sasselov said the new planet was found in orbit of a star in a distant spiral arm of the Milky Way and closer than ...
... planetary discoveries," said Dimitar Sasselov, leader of the Harvard-Smithsonian team. He reported on the discovery Monday at the national meeting of the American Astronomical Society. Sasselov said the new planet was found in orbit of a star in a distant spiral arm of the Milky Way and closer than ...
lec02_29sep2010
... Only planets imaged are very young and far from their stars. Are such objects common or rare? ...
... Only planets imaged are very young and far from their stars. Are such objects common or rare? ...
Habitability: Good, Bad and the Ugly
... they have short stellar live. their intense ultraviolet light would sterilize any planets. they don’t have enough heavy elements. Both A and B above are true. A, B, and C above are true. ...
... they have short stellar live. their intense ultraviolet light would sterilize any planets. they don’t have enough heavy elements. Both A and B above are true. A, B, and C above are true. ...
Habitability: Good, Bad and the Ugly
... they have short stellar live. their intense ultraviolet light would sterilize any planets. they don’t have enough heavy elements. Both A and B above are true. A, B, and C above are true. ...
... they have short stellar live. their intense ultraviolet light would sterilize any planets. they don’t have enough heavy elements. Both A and B above are true. A, B, and C above are true. ...
HR Diagram Activity
... Materials: Colored pencils (red, orange, yellow, blue) Procedure: 1. Review the star data chart below. Note that the sun, which is used as a standard of brightness, is given a value of 1. The brightness given for each other star shows how that star compares with the sun. 2. Using an “X” as a plot po ...
... Materials: Colored pencils (red, orange, yellow, blue) Procedure: 1. Review the star data chart below. Note that the sun, which is used as a standard of brightness, is given a value of 1. The brightness given for each other star shows how that star compares with the sun. 2. Using an “X” as a plot po ...
lec02_28sep2011
... Only planets imaged are very young and far from their stars. Are such objects common or rare? ...
... Only planets imaged are very young and far from their stars. Are such objects common or rare? ...
Student notes part 1
... Exoplanents Part II Sara Marvin, Kelly Anderson, Sereane Bowstring November 1, 2010 Radial Velocity (Doppler Shift) – currently can only find giant planets relatively close to their stars (hot Jupiters) Observe: ...
... Exoplanents Part II Sara Marvin, Kelly Anderson, Sereane Bowstring November 1, 2010 Radial Velocity (Doppler Shift) – currently can only find giant planets relatively close to their stars (hot Jupiters) Observe: ...
lec03_05oct2009
... as seen from a distance of 10 pc (Current state of the art w/Keck AO = 200 mas, as of 2007) ...
... as seen from a distance of 10 pc (Current state of the art w/Keck AO = 200 mas, as of 2007) ...
Chapter 1: THE SCALE OF THE COSMOS HOMEWORK 1, RQ 2,6,7
... It is always convenient to use a unit of measure that is approximately the same size as the object or distance being measured. Hence, we use centimeters or inches when measuring a book or countertop and kilometers or miles when measuring distances between towns. Most of us would never consider measu ...
... It is always convenient to use a unit of measure that is approximately the same size as the object or distance being measured. Hence, we use centimeters or inches when measuring a book or countertop and kilometers or miles when measuring distances between towns. Most of us would never consider measu ...
Problem set 3 solution
... The derivation in the text assumes that the smaller star is hotter, i.e. that the primary eclipse is when the smaller star passes behind the larger. Can we back this up with the data? Assuming this is true, then in the primary eclipse we see only the larger star, which gives 100(m0 −mp )/5 = 100(5.4 ...
... The derivation in the text assumes that the smaller star is hotter, i.e. that the primary eclipse is when the smaller star passes behind the larger. Can we back this up with the data? Assuming this is true, then in the primary eclipse we see only the larger star, which gives 100(m0 −mp )/5 = 100(5.4 ...
Outline - March 16, 2010 Interstellar Medium (ISM) Why should you
... Center of a collapsing cloud becomes denser and hotter. The energy is gravitational. Half the gravitational energy goes into heating the collapsing clout, the other half escapes as light. The central object is called a “protostar”, and they are very bright! (Because they have very large radii.) ...
... Center of a collapsing cloud becomes denser and hotter. The energy is gravitational. Half the gravitational energy goes into heating the collapsing clout, the other half escapes as light. The central object is called a “protostar”, and they are very bright! (Because they have very large radii.) ...
Beta Pictoris
Beta Pictoris (β Pic, β Pictoris) is the second brightest star in the constellation Pictor. It is located 63.4 light years from our solar system, and is 1.75 times as massive and 8.7 times as luminous as the Sun. The Beta Pictoris system is very young, only 8–20 million years old, although it is already in the main sequence stage of its evolution. Beta Pictoris is the title member of the Beta Pictoris moving group, an association of young stars which share the same motion through space and have the same age.Beta Pictoris shows an excess of infrared emission compared to normal stars of its type, which is caused by large quantities of dust and gas (including carbon monoxide) near the star. Detailed observations reveal a large disk of dust and gas orbiting the star, which was the first debris disk to be imaged around another star. In addition to the presence of several planetesimal belts and cometary activity, there are indications that planets have formed within this disk and that the processes of planet formation may still be ongoing. Material from the Beta Pictoris debris disk is thought to be the dominant source of interstellar meteoroids in our solar system.The European Southern Observatory (ESO) has confirmed the presence of a planet, Beta Pictoris b, matching previous predictions, through the use of direct imagery, orbiting in the plane of the debris disk surrounding the star. This planet is currently the closest extrasolar planet to its star ever photographed: the observed separation is roughly the same as the distance between Saturn and the Sun.