society journal - Auckland Astronomical Society
... The session will start in the planetarium with a tour of the summer night sky and as it gets dark outside we will move to telescope viewing. The EWB Zeiss Telescope will be available for viewing as well as portable telescopes outside in the courtyard. Ivan Vazey (AAS Curator) will be on hand to help ...
... The session will start in the planetarium with a tour of the summer night sky and as it gets dark outside we will move to telescope viewing. The EWB Zeiss Telescope will be available for viewing as well as portable telescopes outside in the courtyard. Ivan Vazey (AAS Curator) will be on hand to help ...
PeGASus Newsletter Issue #68 – Oct. 1996
... New Hubble Space Telescope images reveal what may be galaxies under construction in the early universe, out of a long sought ancient population of "galactic building blocks." These detailed images reveal a grouping of 18 gigantic star clusters that appear to be the same distance from Earth, and clos ...
... New Hubble Space Telescope images reveal what may be galaxies under construction in the early universe, out of a long sought ancient population of "galactic building blocks." These detailed images reveal a grouping of 18 gigantic star clusters that appear to be the same distance from Earth, and clos ...
Powerpoint Presentation (large file)
... observed in a supernova • Explosive helium fusion may occur in the surface layer of a companion neutron star • This produces a sudden increase in X-ray radiation, which we call a burster ...
... observed in a supernova • Explosive helium fusion may occur in the surface layer of a companion neutron star • This produces a sudden increase in X-ray radiation, which we call a burster ...
Color and Temperature of Stars
... absorbs light rays that would have produced the corresponding green colors. Although all stars have absorption lines in the visible band of the electromagnetic spectrum, emission lines are more common in other parts of the spectrum. For instance, nitrogen in the sun's atmosphere emits powerful radia ...
... absorbs light rays that would have produced the corresponding green colors. Although all stars have absorption lines in the visible band of the electromagnetic spectrum, emission lines are more common in other parts of the spectrum. For instance, nitrogen in the sun's atmosphere emits powerful radia ...
Apparent magnitude
... Newly formed and young stars in the galactic plane in circular orbits (in one year ~1 M new stars) The metallicity of young stars increases Open star clusters, interstellar matter Also an “outer” disc of hydrogen (15 000 ly away) and a large disc of warm gas ( ~10 000K) ...
... Newly formed and young stars in the galactic plane in circular orbits (in one year ~1 M new stars) The metallicity of young stars increases Open star clusters, interstellar matter Also an “outer” disc of hydrogen (15 000 ly away) and a large disc of warm gas ( ~10 000K) ...
March 2016 BRAS Addendum Newsletter
... star that is a spectroscopic binary. There is a 5 th component, a mag. 10.0 star at a separation of 13,000 AU (0.21 light year). Tau CMa is the brightest star of the open cluster NGC 2362 (Caldwell 64), which is why the cluster is sometimes called the Tau Canis Major Cluster. HD B47536, mag. 5.25, 0 ...
... star that is a spectroscopic binary. There is a 5 th component, a mag. 10.0 star at a separation of 13,000 AU (0.21 light year). Tau CMa is the brightest star of the open cluster NGC 2362 (Caldwell 64), which is why the cluster is sometimes called the Tau Canis Major Cluster. HD B47536, mag. 5.25, 0 ...
MSci Astrophysics 210PHY412 - Queen's University Belfast
... complex stellar evolution models Students will learn how to interpret observational characteristics of stars in terms of the underlying physical parameters You should gain an understanding of how stars of different mass evolve, and what end products are produced Students should learn what causes pla ...
... complex stellar evolution models Students will learn how to interpret observational characteristics of stars in terms of the underlying physical parameters You should gain an understanding of how stars of different mass evolve, and what end products are produced Students should learn what causes pla ...
Modified True/False - Indicate whether the statement is true or false
... ____ 21. HS-ESS1-1 Which of the following stages is the earliest in the development of a star? a. Nebula c. Neutron star b. Protostar d. Giant ____ 22. HS-ESS1-1 All stars, including the Sun, have the following identical composition: a. 73 percent hydrogen; 25 percent helium; and 2 percent oxygen b. ...
... ____ 21. HS-ESS1-1 Which of the following stages is the earliest in the development of a star? a. Nebula c. Neutron star b. Protostar d. Giant ____ 22. HS-ESS1-1 All stars, including the Sun, have the following identical composition: a. 73 percent hydrogen; 25 percent helium; and 2 percent oxygen b. ...
The Milky Way Galaxy
... Composition unknown. Probably mostly exotic particles that don't interact with ordinary matter at all (except gravity). Some may be brown dwarfs, dead white dwarfs … Most likely it's a dark halo surrounding the Milky Way. ...
... Composition unknown. Probably mostly exotic particles that don't interact with ordinary matter at all (except gravity). Some may be brown dwarfs, dead white dwarfs … Most likely it's a dark halo surrounding the Milky Way. ...
Distance - courses.psu.edu
... 2. What does a star's flux measure? 3. a) A star with the Sun's luminosity, but located 2 AU from Earth instead of 1 AU, would appear how bright relative to the Sun? b) A star with the Sun's luminosity, but located 20 AU from Earth instead of 1 AU, would appear how bright relative to the Sun? 4. Jup ...
... 2. What does a star's flux measure? 3. a) A star with the Sun's luminosity, but located 2 AU from Earth instead of 1 AU, would appear how bright relative to the Sun? b) A star with the Sun's luminosity, but located 20 AU from Earth instead of 1 AU, would appear how bright relative to the Sun? 4. Jup ...
parallax
... Determining distances to celestial objects is one of the most important and most difficult measurements in astronomy. Compare the Sun to another star in the sky. They look completely different, and it was once believed that they were different types of objects. In fact, the Sun was once considered a ...
... Determining distances to celestial objects is one of the most important and most difficult measurements in astronomy. Compare the Sun to another star in the sky. They look completely different, and it was once believed that they were different types of objects. In fact, the Sun was once considered a ...
Pattern recognition of star constellations for spacecraft
... empirical determined uncertainty of 25%. The 1100 brightest stars correspond to a specific brightness threshold value. If a star is below 75% of this limit, one can be sure that the star will not be detected. If the star is between 75% and 125%of the detection limit it might be detected (in this cat ...
... empirical determined uncertainty of 25%. The 1100 brightest stars correspond to a specific brightness threshold value. If a star is below 75% of this limit, one can be sure that the star will not be detected. If the star is between 75% and 125%of the detection limit it might be detected (in this cat ...
Hertzsprung-Russell Diagram—key to understanding properties of stars. 26 Sept
... – A show highlighting the current sky, spectacular gatherings of Venus with the moon and other planets in coming months. See what Galileo saw through his telescope 400 years ago— the Milky Way and the Pleiades, details on the moon, the four moons of Jupiter, the phases of Venus, and the mysterious d ...
... – A show highlighting the current sky, spectacular gatherings of Venus with the moon and other planets in coming months. See what Galileo saw through his telescope 400 years ago— the Milky Way and the Pleiades, details on the moon, the four moons of Jupiter, the phases of Venus, and the mysterious d ...
Are there Earth-like planets around other stars?
... stars, and so forth. But this does not necessarily mean that even Earth-like planets are rare in the Universe. We just need to look for them with other methods. The main difficulty in detecting Earth-like exoplanets around distant stars is that Earth is small (so its light is obscured by the light o ...
... stars, and so forth. But this does not necessarily mean that even Earth-like planets are rare in the Universe. We just need to look for them with other methods. The main difficulty in detecting Earth-like exoplanets around distant stars is that Earth is small (so its light is obscured by the light o ...
Stars - WhatisOutThere
... brighter than the faint glow coming from the stars. If you were standing on the moon for example, you would be able to see the stars both day and night. This is because there is no atmosphere on the moon, meaning that it is always dark. Therefore you can see the stars. ...
... brighter than the faint glow coming from the stars. If you were standing on the moon for example, you would be able to see the stars both day and night. This is because there is no atmosphere on the moon, meaning that it is always dark. Therefore you can see the stars. ...
Birth - Wayne State University Physics and Astronomy
... Each second in the Sun, about 600 million tons of hydrogen undergo fusion into helium, with about 4 million tons turning to energy in the process This rate of hydrogen use means that eventually the Sun (and all other stars) will run out of central fuel ...
... Each second in the Sun, about 600 million tons of hydrogen undergo fusion into helium, with about 4 million tons turning to energy in the process This rate of hydrogen use means that eventually the Sun (and all other stars) will run out of central fuel ...
ph507lecnote06
... parallax accuracy to 0.001” within a few years. Before 1990, fewer than 10,000 stellar parallaxes had been measured (and only 500 known well), but there are about 1012 stars in our Galaxy. Space observations made by the European Space Agency with the Hipparcos mission (1989-1993) accurately determin ...
... parallax accuracy to 0.001” within a few years. Before 1990, fewer than 10,000 stellar parallaxes had been measured (and only 500 known well), but there are about 1012 stars in our Galaxy. Space observations made by the European Space Agency with the Hipparcos mission (1989-1993) accurately determin ...
1 - Uplift North Hills Prep
... ● this means that stars are uniformly spaced; ● and that if it is infinite there must be a star at every point in space / a star along every line of sight; ...
... ● this means that stars are uniformly spaced; ● and that if it is infinite there must be a star at every point in space / a star along every line of sight; ...
Lyra
Lyra (/ˈlaɪərə/; Latin for lyre, from Greek λύρα) is a small constellation. It is one of 48 listed by the 2nd century astronomer Ptolemy, and is one of the 88 constellations recognized by the International Astronomical Union. Lyra was often represented on star maps as a vulture or an eagle carrying a lyre, and hence sometimes referred to as Aquila Cadens or Vultur Cadens. Beginning at the north, Lyra is bordered by Draco, Hercules, Vulpecula, and Cygnus. Lyra is visible from the northern hemisphere from spring through autumn, and nearly overhead, in temperate latitudes, during the summer months. From the southern hemisphere, it is visible low in the northern sky during the winter months.The lucida or brightest star—and one of the brightest stars in the sky—is the white main sequence star Vega, a corner of the Summer Triangle. Beta Lyrae is the prototype of a class of stars known as Beta Lyrae variables, binary stars so close to each other that they become egg-shaped and material flows from one to the other. Epsilon Lyrae, known informally as the Double Double, is a complex multiple star system. Lyra also hosts the Ring Nebula, the second-discovered and best-known planetary nebula.