Lecture Eight (Powerpoint format) - Flash
... three years on the Hubble Space Telescope. The image covers roughly 1000 AU. The outflow appears to be highly sporadic, but it remains unclear how it is being powered or even which binary member is powering it. ...
... three years on the Hubble Space Telescope. The image covers roughly 1000 AU. The outflow appears to be highly sporadic, but it remains unclear how it is being powered or even which binary member is powering it. ...
doc - Jnoodle
... The stars "near" us form the Milky Way, a galaxy containing ca 100 billion stars shaped like a disc with some spiral arms. The size of our galaxy is the order of magnitude 100 000 ly and it rotates around its center in ca 200 - 300 million years. Except start there is mostly thin interstellar matter ...
... The stars "near" us form the Milky Way, a galaxy containing ca 100 billion stars shaped like a disc with some spiral arms. The size of our galaxy is the order of magnitude 100 000 ly and it rotates around its center in ca 200 - 300 million years. Except start there is mostly thin interstellar matter ...
Westerlund 1 : A Super-Star Cluster within the Milky Way
... Spectroscopy confirms that all cluster members identified are massive stars. 53 stars which have been spectroscopically observed, form a bright supergiant sequence from mid-O to late-M stars. In addition, 23 Wolf-Rayet stars are now known. 6 A and F stars have been classified as hypergiants, e ...
... Spectroscopy confirms that all cluster members identified are massive stars. 53 stars which have been spectroscopically observed, form a bright supergiant sequence from mid-O to late-M stars. In addition, 23 Wolf-Rayet stars are now known. 6 A and F stars have been classified as hypergiants, e ...
Stars PowerPoint
... • Parallax is the apparent shift in position of an object caused by the motion of the observer. ...
... • Parallax is the apparent shift in position of an object caused by the motion of the observer. ...
BASIC PROPERTIES of STARS - 2
... Venus is about 105,000,000 km from the Sun. (1) What is approximate time to get the return signal from Venus when it is at its closest to Earth? C = 3 x 105 km/s (A 150; B 200; C 300; D 400 seconds) (2) What is the approximate time to get a return signal from Venus when Venus is at its most distant ...
... Venus is about 105,000,000 km from the Sun. (1) What is approximate time to get the return signal from Venus when it is at its closest to Earth? C = 3 x 105 km/s (A 150; B 200; C 300; D 400 seconds) (2) What is the approximate time to get a return signal from Venus when Venus is at its most distant ...
The Hubble Redshift Distance Relation
... VI. Appendix: Apparent Magnitude, Absolute Magnitude, and Distance Modulus Around the second century B.C., a Greek astronomer by the name of Hipparchus decided to rank the stars in the sky that could be observed with the unaided eye. He classified the brightest stars as “first class” and the dimmes ...
... VI. Appendix: Apparent Magnitude, Absolute Magnitude, and Distance Modulus Around the second century B.C., a Greek astronomer by the name of Hipparchus decided to rank the stars in the sky that could be observed with the unaided eye. He classified the brightest stars as “first class” and the dimmes ...
I Cloudy with a Chance of Making a star is no easy thing
... gas. Some grow much bigger than others, and the losers may be ejected from the cluster altogether, creating a class of stellar runts that roam the galaxy. This picture, called competitive accretion, has been championed by Ian Bonnell of the University of St. Andrews, Matthew Bate of the University o ...
... gas. Some grow much bigger than others, and the losers may be ejected from the cluster altogether, creating a class of stellar runts that roam the galaxy. This picture, called competitive accretion, has been championed by Ian Bonnell of the University of St. Andrews, Matthew Bate of the University o ...
Alpha Centauri 3
... refractor at the Royal Observatory. If our own Sun, Sol, were viewed from the Alpha Centauri system, it would be located in Cassiopeia near the border with Perseus and about five degrees north of a double cluster near the nebula IC 1805/1848, visible as a bright yellow star that would be almost as b ...
... refractor at the Royal Observatory. If our own Sun, Sol, were viewed from the Alpha Centauri system, it would be located in Cassiopeia near the border with Perseus and about five degrees north of a double cluster near the nebula IC 1805/1848, visible as a bright yellow star that would be almost as b ...
Why Star Positions?
... These subdivisions into sixty are the same as those used to carve up and so describe the passage of time. We still happily cling to our day divided into hours, minutes, and seconds, the only common measure to have firmly resisted metrication. These byzantine subdivisions are, to be sure, terribly cu ...
... These subdivisions into sixty are the same as those used to carve up and so describe the passage of time. We still happily cling to our day divided into hours, minutes, and seconds, the only common measure to have firmly resisted metrication. These byzantine subdivisions are, to be sure, terribly cu ...
Stellar Evolution – Life of a Star
... Stellar evolution is very important. It is responsible for the production of most of the elements (all natural elements after H and He). As well, it aids in the formation of galaxies, new stars and ...
... Stellar evolution is very important. It is responsible for the production of most of the elements (all natural elements after H and He). As well, it aids in the formation of galaxies, new stars and ...
A Collection of Curricula for the STARLAB Deep Sky Objects
... Nebulae absorb light from nearby stars and radiate it back into space. Most nebulae glow red, the color of hydrogen gas. The brightest nebula is the Orion Nebula (see slide #60) which can be seen with the unaided eye in a dark sky. Nebulae are very important in astronomy because they are the key to ...
... Nebulae absorb light from nearby stars and radiate it back into space. Most nebulae glow red, the color of hydrogen gas. The brightest nebula is the Orion Nebula (see slide #60) which can be seen with the unaided eye in a dark sky. Nebulae are very important in astronomy because they are the key to ...
CONSTELLATION PERSEUS The constellation
... appointed Dictys the fisherman king. Perseus and Andromeda married and had six children. In the sky, Perseus lies near the constellations Andromeda, Cepheus, Cassiopeia (Andromeda's mother), Cetus, and Pegasus. CHARACTERISTICS Covering 615 square degrees, it ranks twenty-fourth of the 88 constellati ...
... appointed Dictys the fisherman king. Perseus and Andromeda married and had six children. In the sky, Perseus lies near the constellations Andromeda, Cepheus, Cassiopeia (Andromeda's mother), Cetus, and Pegasus. CHARACTERISTICS Covering 615 square degrees, it ranks twenty-fourth of the 88 constellati ...
ASTRONOMY 301 EXAMPLES OF TEST
... (A) We would see completely different kinds of objects when we look at the night sky. (B) We would see only the most energetic objects – for example, supernovae – in the night sky. (C) We would see more or less the same objects that we see now, but hotter objects would be easier to see and colder ob ...
... (A) We would see completely different kinds of objects when we look at the night sky. (B) We would see only the most energetic objects – for example, supernovae – in the night sky. (C) We would see more or less the same objects that we see now, but hotter objects would be easier to see and colder ob ...
Astrophysics notes - School
... Magnitude is a measure of how bright a star is. There are, however, two different ways of indicating a stars magnitude; apparent magnitude and absolute magnitude. The scale we use to measure magnitude is based on that created by the ancient Greeks which ran from 1 to 6. On the ancient Greek scale 1 ...
... Magnitude is a measure of how bright a star is. There are, however, two different ways of indicating a stars magnitude; apparent magnitude and absolute magnitude. The scale we use to measure magnitude is based on that created by the ancient Greeks which ran from 1 to 6. On the ancient Greek scale 1 ...
1 Name: Date: PARALLAX EXERCISE1 The goal of this
... it was once believed that they were different types of objects. In fact, the Sun was once considered a planet! We now know the Sun is just another star, and the reason that the Sun appears different to us is that it is so much closer. Determining distances to celestial objects is one of the most imp ...
... it was once believed that they were different types of objects. In fact, the Sun was once considered a planet! We now know the Sun is just another star, and the reason that the Sun appears different to us is that it is so much closer. Determining distances to celestial objects is one of the most imp ...
Cassiopeia (constellation)
Cassiopeia is a constellation in the northern sky, named after the vain queen Cassiopeia in Greek mythology, who boasted about her unrivalled beauty. Cassiopeia was one of the 48 constellations listed by the 2nd-century Greek astronomer Ptolemy, and it remains one of the 88 modern constellations today. It is easily recognizable due to its distinctive 'M' shape when in upper culmination but in higher northern locations when near lower culminations in spring and summer it has a 'W' shape, formed by five bright stars. It is bordered by Andromeda to the south, Perseus to the southeast, and Cepheus to the north. It is opposite the Big Dipper.In northern locations above 34ºN latitude it is visible year-round and in the (sub)tropics it can be seen at its clearest from September to early November in its characteristic 'M' shape. Even in low southern latitudes below 25ºS is can be seen low in the North.