Life Cycle of Stars Activity
... 1. Give each group a set of cards and the supplies necessary to complete the activity according to the directions printed on the cards. Have those students with the yellow “stars”(balloons) put a small styrofoam ball inside, those with a white “star” are to put a marble or bead inside, and those wit ...
... 1. Give each group a set of cards and the supplies necessary to complete the activity according to the directions printed on the cards. Have those students with the yellow “stars”(balloons) put a small styrofoam ball inside, those with a white “star” are to put a marble or bead inside, and those wit ...
A Unique Environmental Studies Program
... Sack". This is a cloud of very dark dust or gas and even though there may be stars behind it, their light cannot shine through. The Clouds of Magellan. These clouds were first described by the explorer Magellan, and they are actually two satellites of our own Milky Way galaxy. These clouds are easil ...
... Sack". This is a cloud of very dark dust or gas and even though there may be stars behind it, their light cannot shine through. The Clouds of Magellan. These clouds were first described by the explorer Magellan, and they are actually two satellites of our own Milky Way galaxy. These clouds are easil ...
A Story about a Star`s Life
... • Brightest stars had magnitude 1 and dimmest had magnitude 6 • The system is still used today and units of measurement are called apparent magnitudes to emphasize how bright a star looks to an observer ...
... • Brightest stars had magnitude 1 and dimmest had magnitude 6 • The system is still used today and units of measurement are called apparent magnitudes to emphasize how bright a star looks to an observer ...
Astro 6590: Galaxies and the Universe Astro
... and gas are about 70% hydrogen by mass and 25% helium, the rest being heavier elements (called "metals"). • Typical scales are: masses between 106 to 1012 M (1 solar mass is 2 x 1030 kg), and sizes ~ 1-100 kpc (1 pc = 3.1 x 1016 m). Galaxies that rotate have Prot ~ 10-100 Myr at about 100 km/s. The ...
... and gas are about 70% hydrogen by mass and 25% helium, the rest being heavier elements (called "metals"). • Typical scales are: masses between 106 to 1012 M (1 solar mass is 2 x 1030 kg), and sizes ~ 1-100 kpc (1 pc = 3.1 x 1016 m). Galaxies that rotate have Prot ~ 10-100 Myr at about 100 km/s. The ...
Intelligent Life in the Milky Way Galaxy
... No robotic probes orbiting Solar System No Radio Signals from aliens, despite radio telescopes. Some aliens will wander in the Galaxy, ...
... No robotic probes orbiting Solar System No Radio Signals from aliens, despite radio telescopes. Some aliens will wander in the Galaxy, ...
Study of the X-ray Source Population and the Dark Matter
... spatial and time resolution, the Wide Field Imager of the Athena Xray Observatory will make it possible to study X-ray sources down to very low flux limits. In Draco dSph, e.g., we will be able to observe X-ray sources with luminosities down to 1031 erg/s with 1000 to 2000 counts in 10 ksec, allowin ...
... spatial and time resolution, the Wide Field Imager of the Athena Xray Observatory will make it possible to study X-ray sources down to very low flux limits. In Draco dSph, e.g., we will be able to observe X-ray sources with luminosities down to 1031 erg/s with 1000 to 2000 counts in 10 ksec, allowin ...
Star Birth
... • How does nuclear fusion begin in a newborn star? – Nuclear fusion begins when contraction causes the star’s core to grow hot enough for fusion ...
... • How does nuclear fusion begin in a newborn star? – Nuclear fusion begins when contraction causes the star’s core to grow hot enough for fusion ...
Activity 10: Lifecycle Of A Star
... How do clusters of stars form? _____________________________________________________________ Where is our sun in its life cycle? ___________________________________________________________ How many stars make up a globular cluster? ___________________________________________________ How long does a ...
... How do clusters of stars form? _____________________________________________________________ Where is our sun in its life cycle? ___________________________________________________________ How many stars make up a globular cluster? ___________________________________________________ How long does a ...
Stars: radius and mass
... – There are lines in the spectrum of almost every star. – These lines will be Doppler shifted by the motion of the star in the binary. – The shifts for the two stars will be out of phase, one star is moving towards us as the other is moving away. – Can determine binary nature by looking for motions ...
... – There are lines in the spectrum of almost every star. – These lines will be Doppler shifted by the motion of the star in the binary. – The shifts for the two stars will be out of phase, one star is moving towards us as the other is moving away. – Can determine binary nature by looking for motions ...
Part A
... absolute magnitude scale, depends on the star’s temperature and size, not its distance from Earth. ...
... absolute magnitude scale, depends on the star’s temperature and size, not its distance from Earth. ...
Morning Announcements
... neatly. You can draw it or create a model out of pipe cleaners and construction paper. Every page must be titled with the stage of the life cycle Sign the back of each card you create. Each team r will create pages individually or together and sign that it is there work for verification. This is ...
... neatly. You can draw it or create a model out of pipe cleaners and construction paper. Every page must be titled with the stage of the life cycle Sign the back of each card you create. Each team r will create pages individually or together and sign that it is there work for verification. This is ...
PRS Questions (queestions after Midterm 2)
... Conservation of energy Newton’s law of gravity Actually, all of these laws of physics are important factors ...
... Conservation of energy Newton’s law of gravity Actually, all of these laws of physics are important factors ...
Name
... The apparent magnitude of stars was first recorded by the Greek astronomer Hipparchus about 160 B.C. Hipparchus grouped stars according to their brightness or magnitude. He called the twenty brightest stars first magnitude stars. Stars half that bright were second magnitude. Third magnitude stars we ...
... The apparent magnitude of stars was first recorded by the Greek astronomer Hipparchus about 160 B.C. Hipparchus grouped stars according to their brightness or magnitude. He called the twenty brightest stars first magnitude stars. Stars half that bright were second magnitude. Third magnitude stars we ...
OUR UNIVERSE Problem Set 7 Solutions Question A1 Question A2
... The early universe consisted of mainly hydrogen, a little helium, hence there was no iron, and stars made out of these materials and went through their evolution where very large stars can fuse elements up to Fe in their cores, releasing energy with each fusion reaction [1]. However, the fusion of i ...
... The early universe consisted of mainly hydrogen, a little helium, hence there was no iron, and stars made out of these materials and went through their evolution where very large stars can fuse elements up to Fe in their cores, releasing energy with each fusion reaction [1]. However, the fusion of i ...
The Life Cycle of Stars Stars are a fascinating part of our universe
... (97%) and Helium (3%) gas. Gravity causes the dust and gas to clump together. The number of atoms in the clump increases and the mass of the clump increases. This initial mass determines the mass of the star. As the gravitational attraction in the nebula grows the clump contracts and flattens into a ...
... (97%) and Helium (3%) gas. Gravity causes the dust and gas to clump together. The number of atoms in the clump increases and the mass of the clump increases. This initial mass determines the mass of the star. As the gravitational attraction in the nebula grows the clump contracts and flattens into a ...
Astronomy 103 – Midterm 2 – October 29, 2014
... 37. Two clouds of interstellar gas contract to form stars. Suppose that no mass is lost in the contraction and that when they stop contracting, cloud A is a type A star and cloud K is a type K star. What stops the contraction of each star? a) Cloud A is stopped by fusion of helium to carbon and clou ...
... 37. Two clouds of interstellar gas contract to form stars. Suppose that no mass is lost in the contraction and that when they stop contracting, cloud A is a type A star and cloud K is a type K star. What stops the contraction of each star? a) Cloud A is stopped by fusion of helium to carbon and clou ...
– 1 – 1. Star Formation At Low Metallicity 1.1.
... the protostar is cool, and its interior opacity is dominated by free-free absorption. Its luminosity is low, and hence the timescale for cooling the protostellar interior (i.e. the Kelvin-Helmholtz time, given by the internal energy/L) is long. Thus the accreted material piles onto the star without ...
... the protostar is cool, and its interior opacity is dominated by free-free absorption. Its luminosity is low, and hence the timescale for cooling the protostellar interior (i.e. the Kelvin-Helmholtz time, given by the internal energy/L) is long. Thus the accreted material piles onto the star without ...
Notes 1 - cloudfront.net
... ~ it no longer undergoes fusion reactions, so the star has no source of energy ~ it is Earth-sized Type 1A supernova: ~ a sub-category of cataclysmic variable stars that results from the violent explosion of a white dwarf star ~ used as a standard candle in the galaxy ...
... ~ it no longer undergoes fusion reactions, so the star has no source of energy ~ it is Earth-sized Type 1A supernova: ~ a sub-category of cataclysmic variable stars that results from the violent explosion of a white dwarf star ~ used as a standard candle in the galaxy ...
The “Life” of Non-living Stars - Etiwanda E
... Giants and Supergiants Giants and Supergiants result when a star uses all the hydrogen in its core Star grows very large and cools ...
... Giants and Supergiants Giants and Supergiants result when a star uses all the hydrogen in its core Star grows very large and cools ...
Astro 10 Practice Test 2
... how big they are. b. The overall luminosity of an object is the key to figuring out its mass. c. Since you know how bright each of these objects really is, you can measure their apparent brightnesses and calculate how far away they really are. d. Knowing the true brightness of an object is the most ...
... how big they are. b. The overall luminosity of an object is the key to figuring out its mass. c. Since you know how bright each of these objects really is, you can measure their apparent brightnesses and calculate how far away they really are. d. Knowing the true brightness of an object is the most ...
Full Press Release - The Open University
... stars in the dense gas itself, and emits infrared light. The formation of a new generation of stars is now taking place within this compressed gas in these outer shell structures. The AKARI data reveals for the first time, the detailed distribution of this swept out gas and dust over the entire nebu ...
... stars in the dense gas itself, and emits infrared light. The formation of a new generation of stars is now taking place within this compressed gas in these outer shell structures. The AKARI data reveals for the first time, the detailed distribution of this swept out gas and dust over the entire nebu ...