8.1 Stars
... The area with the largest mass starts to pull more mass in. The matter pulled in has excess energy which causes the central ball of material to begin to spin. Extremely high pressures build up inside the ball, which in turn causes the tightly packed atoms to heat up. As the temperature climbs, the ...
... The area with the largest mass starts to pull more mass in. The matter pulled in has excess energy which causes the central ball of material to begin to spin. Extremely high pressures build up inside the ball, which in turn causes the tightly packed atoms to heat up. As the temperature climbs, the ...
Lecture16
... Low pressure: lines are narrow: giant & supergiant stars High pressure: lines are wide: normal stars ...
... Low pressure: lines are narrow: giant & supergiant stars High pressure: lines are wide: normal stars ...
Lecture 13
... 1cm shifts to .9999999 cm. Not much. To say you were 5mph over the limit needs to measure one part in 100million! ...
... 1cm shifts to .9999999 cm. Not much. To say you were 5mph over the limit needs to measure one part in 100million! ...
Another Old Final
... (b) Estimate the distance to this supernova and the lookback time (how long ago we are observing it). (c) Type-Ia supernovae reach peak luminosities of 109 L . Estimate the peak apparent brightness of this supernova. Would it have been visible to the naked eye on a clear night? ...
... (b) Estimate the distance to this supernova and the lookback time (how long ago we are observing it). (c) Type-Ia supernovae reach peak luminosities of 109 L . Estimate the peak apparent brightness of this supernova. Would it have been visible to the naked eye on a clear night? ...
Absolute magnitude
... Each of these light bulbs will appear to be the same brightness. 1000 times farther away ...
... Each of these light bulbs will appear to be the same brightness. 1000 times farther away ...
the universe
... The Universe Scientists have gathered a lot of evidence and information about the universe. They have used their observations to develop a theory called the Big Bang. The theory states that about 13,700 million years ago all the matter in the universe was concentrated into a single incredibly tiny p ...
... The Universe Scientists have gathered a lot of evidence and information about the universe. They have used their observations to develop a theory called the Big Bang. The theory states that about 13,700 million years ago all the matter in the universe was concentrated into a single incredibly tiny p ...
the universe
... The Universe (source: www.bbc.co.uk/bitesize/gcse/science /) Scientists have gathered a lot of evidence and information about the universe. They have used their observations to develop a theory called the Big Bang. The theory states that about 13,700 million years ago all the matter in the universe ...
... The Universe (source: www.bbc.co.uk/bitesize/gcse/science /) Scientists have gathered a lot of evidence and information about the universe. They have used their observations to develop a theory called the Big Bang. The theory states that about 13,700 million years ago all the matter in the universe ...
The star is born
... A young cluster of stars, formed about 2 million years ago are illuminating a cloud of hydrogen gas and dust. The UV radiation from these O and B stars is ionizing the hydrogen atoms. The subsequent recombination of electrons and protons, with the electrons in excited states leads to the emission of ...
... A young cluster of stars, formed about 2 million years ago are illuminating a cloud of hydrogen gas and dust. The UV radiation from these O and B stars is ionizing the hydrogen atoms. The subsequent recombination of electrons and protons, with the electrons in excited states leads to the emission of ...
Galaxy
... star (our sun); however, most are grouped together to groups of two or more – called star systems Star systems with 2 stars are called double stars or binary stars – 3 stars are called triple stars Sometimes binary stars cannot be seen from Earth – only one star can be seen ...
... star (our sun); however, most are grouped together to groups of two or more – called star systems Star systems with 2 stars are called double stars or binary stars – 3 stars are called triple stars Sometimes binary stars cannot be seen from Earth – only one star can be seen ...
the california planet survey. i. four new giant exoplanets
... * The host star, HD 13931, is also similar to the Sun in mass (M= 1.02 M⊙) and metallicity. HD 13931 b is one of only four known RV-detected planets with orbital periods longer than 10 yr. The other such planets are all in multi-planet systems. GJ 179 b * Is a Jovian-mass (M sin i = 0.82 MJup ) plan ...
... * The host star, HD 13931, is also similar to the Sun in mass (M= 1.02 M⊙) and metallicity. HD 13931 b is one of only four known RV-detected planets with orbital periods longer than 10 yr. The other such planets are all in multi-planet systems. GJ 179 b * Is a Jovian-mass (M sin i = 0.82 MJup ) plan ...
Comet Pan-Starrs 12 March 2013
... • PSR B1937+21: second fastest known pulsar, P = 1.5578 msec, ~ 642/sec. The surface of this star is ...
... • PSR B1937+21: second fastest known pulsar, P = 1.5578 msec, ~ 642/sec. The surface of this star is ...
STAR FORMATION (Ch. 19)
... cluster.To the upper right of center is the evolved blue supergiant called Sher 25. The star has a unique circumstellar ring of glowing gas that is a galactic twin to the famous ring around the supernova 1987A--see the image of SN 1987A in the next chapter. Near the center of the view is a so-called ...
... cluster.To the upper right of center is the evolved blue supergiant called Sher 25. The star has a unique circumstellar ring of glowing gas that is a galactic twin to the famous ring around the supernova 1987A--see the image of SN 1987A in the next chapter. Near the center of the view is a so-called ...
Photometric analysis of the globular cluster NGC5466
... population of open clusters is quite young and some bright blue stars are identified. Most of the open clusters lay in the Galactic disc and have a large quantity of interstellar medium. Globular clusters, instead, are characterized by a spherical shape, due to tight gravitational bounds. They prese ...
... population of open clusters is quite young and some bright blue stars are identified. Most of the open clusters lay in the Galactic disc and have a large quantity of interstellar medium. Globular clusters, instead, are characterized by a spherical shape, due to tight gravitational bounds. They prese ...
May 2013 - Joliet Junior College
... brightest star in the sky. In 1933, at the start of the Chicago World’s Fair, it was thought that Arcturus was 40 light years from Earth. (We now know it is closer to 37 light years.) In 1933, it had been 40 years since the last World’s Fair at Chicago (1893), so the promoters of the 1933 fair used ...
... brightest star in the sky. In 1933, at the start of the Chicago World’s Fair, it was thought that Arcturus was 40 light years from Earth. (We now know it is closer to 37 light years.) In 1933, it had been 40 years since the last World’s Fair at Chicago (1893), so the promoters of the 1933 fair used ...
Can you write numbers in scientific notation
... What determines what object will be left behind after a star dies out? What are the properties of each of those objects? How does Einstein’s model of gravity differ from Newton’s description? Why Einstein’s description taken to be “more complete” than Newton’s? What are the effects an outside obser ...
... What determines what object will be left behind after a star dies out? What are the properties of each of those objects? How does Einstein’s model of gravity differ from Newton’s description? Why Einstein’s description taken to be “more complete” than Newton’s? What are the effects an outside obser ...
Cygnus (constellation)
Cygnus /ˈsɪɡnəs/ is a northern constellation lying on the plane of the Milky Way, deriving its name from the Latinized Greek word for swan. The swan is one of the most recognizable constellations of the northern summer and autumn, it features a prominent asterism known as the Northern Cross (in contrast to the Southern Cross). Cygnus was among the 48 constellations listed by the 2nd century astronomer Ptolemy, and it remains one of the 88 modern constellations.Cygnus contains Deneb, one of the brightest stars in the night sky and one corner of the Summer Triangle, as well as some notable X-ray sources and the giant stellar association of Cygnus OB2. One of the stars of this association, NML Cygni, is one of the largest stars currently known. The constellation is also home to Cygnus X-1, a distant X-ray binary containing a supergiant and unseen massive companion that was the first object widely held to be a black hole. Many star systems in Cygnus have known planets as a result of the Kepler Mission observing one patch of the sky, the patch is the area around Cygnus. In addition, most of the eastern part of Cygnus is dominated by the Hercules–Corona Borealis Great Wall, a giant galaxy filament that is the largest known structure in the observable universe; covering most of the northern sky.