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Astronomy Part 2 - Malvern Troop 7
Astronomy Part 2 - Malvern Troop 7

... Start with the familiar Big Dipper which is high in the sky in early spring. The two stars the farthest away from the handle are called the pointers. Connect a line between the pointers upward (about 5 times the distance of the pointers) brings you to Polaris (the north star). Opposite of Polaris li ...
Study Guide: Use your notes and handouts to
Study Guide: Use your notes and handouts to

... 35. What is a Hertzsprung Russell Diagram? 36. What is on the X axis of a HR Diagram? 37. What is on the Y axis of the HR Diagram? 38. What is used to determine luminosity? 39. How are main sequence stars represented on a HR Diagram? 40. Where would you find the white dwarf stars on a HR Diagram? 41 ...
Supernova’s
Supernova’s

... leading to its collapse • Becomes Red Giant Star • Turns into a White Dwarf Star ...
What are stars?
What are stars?

... How are stars grouped together and classified? ____________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Finding the Distance ...
Chapter 8, Lesson 4, 2nd Packet, pdf
Chapter 8, Lesson 4, 2nd Packet, pdf

... How are stars grouped together and classified? ____________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Finding the Distance ...
Create a HR Diagram - EarthSpaceScience
Create a HR Diagram - EarthSpaceScience

... Use that Table of stars and plot them on the Empty H-R diagram based on Luminosity and Spectral Class. Use circles or shading to correctly label the Main Sequence, Giants, and Dwarfs. Then use your diagram to answer the questions. Stars: Star Name ...
Stars and Galaxies
Stars and Galaxies

... over time. The mass of a star controls its Evolution Lifespan Ultimate fate (how it dies) ...
lifedeath - University of Glasgow
lifedeath - University of Glasgow

... Hydrogen fusion – fuelling a star’s nuclear furnace H = Hydrogen He = Helium ...
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... The faintest stars visible to the naked eye are 6th magnitude. 1st to 6th magnitude is a factor of 100 times in brightness. It is a logarithmic scale just like the response of the human eye. m = -2.5log(brightness) – Each step in magnitude is 2.512 times brighter. ...
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... are watching has moved about 15 degrees, how long have you been watching? ...
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... An ’HR diagram’ is a plot of which two quantities. (T (or spectral type) vs. L (or absolute magnitude)) $1200 More luminous stars tend to live this. (shorter lives) $1600 This tells you how much energy is released in the fusion of hydrogen to helium. (E = ∆mc2 where ∆m is the mass difference between ...
EMS, HR, Star Lives classwork/homework
EMS, HR, Star Lives classwork/homework

... 1. Inertia tends to make the planets travel in straight lines. Gravity from the sun pulls the planets toward the sun. These two factors acting together cause the planets to stay in their orbits. 2. gamma rays 3. ultraviolet 4. gamma rays 5. B 6. infrared 7. D 8. Barnard’s star 9. Both stars are yell ...
What are stars? - Manhasset Schools
What are stars? - Manhasset Schools

... nothing can escape its gravity • Usually results from the supernova of a very massive star ...
Types of Stars - WordPress.com
Types of Stars - WordPress.com

... astronomers discovered most stars seen from Earth are Binary stars • 2 stars that orbit together (same orbit) • By measuring orbit size and time lapsed, it is possible to calculate “solar mass” • Sun = 1 solar mass ...
The First Star at Night
The First Star at Night

... moment. The names Hesperus and Phosphorus, amongst others, were given by the ancient Greeks to these appearances of Venus. Of course, it must be remembered that long ago, it was not clear that the two were the same object, although eventually it was realised that this was indeed the case. The main p ...
a geolocation. Obtain the information related to certain star.
a geolocation. Obtain the information related to certain star.

... Use cases (I) ...
FSA school wide Science Olympiad 12/8/2007
FSA school wide Science Olympiad 12/8/2007

... with funny-looking names consisting of the capital letter "M" followed by a number. For example, the Pleiades star-cluster in Taurus is labeled "M45", and "M13" is the labelling for the Hercules Globular Cluster. And so it goes on right from "M1" to "M110". But tell me, what exactly does the letter ...
The Hertzsprung – Russell Diagram Star Data Table
The Hertzsprung – Russell Diagram Star Data Table

... Danish astronomer Ejnar Hertzsprung and American astronomer Henry Russell discovered a  relationship between the ​ brightness of a star​  and the ​ surface temperature ​ of a star.  The graph of  a star’s absolute magnitude versus its temperature is called an ​ ...
Monday, October 27
Monday, October 27

... Finding the absolute Magnitude • To figure out absolute magnitude, we need to know the distance to the star • Then do the following Gedankenexperiment: – In your mind, put the star from its actual position to a position 10 pc away – If a star is actually closer than 10pc, its absolute magnitude wil ...
Stars and Galaxies
Stars and Galaxies

...  Spiral galaxies—spiral arms wind out from inner section; some have barred spirals with stars and gas in a central bar  Elliptical galaxies—large, three-dimensional ellipses; most common shape  Irregular galaxies—smaller, less common galaxies with various different shapes ...
01 - cloudfront.net
01 - cloudfront.net

... Original content Copyright © Holt McDougal. All rights reserved. Additions and changes to the original content are the responsibility of the instructor. ...
Stars, H-R and Life Cycle of Star
Stars, H-R and Life Cycle of Star

... Two astronomers discovered a relationship between the absolute magnitude (real brightness) of a star and its surface temperature. They plotted the data on a graph. ...
Measuring the Stars pages 813-820
Measuring the Stars pages 813-820

... Because of parallax, it seems that the star moved, when compared to far away stars, but it did not actually do so. The smaller the parallax, the farther away the star is. ...
The Big Dipper is a
The Big Dipper is a

... If your astrological sign is Aries, the Sun should be in the constellation Aries on your birthday. The dates, according to astrological tradition, during which the Sun is in the constellation Aries are: March 21 to April 20th. In which constellation is the Sun actually in, during this time period? a ...
The Lifecycle of Stars
The Lifecycle of Stars

... When A Star Dies Supernova Some massive stars may explode in a large, bright display called a Supernova Supernova occur when a massive star collapses and throws its outer layers into space. This explosion is so powerful that it can be brighter than an entire galaxy for several days!! ...
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Canis Major

Canis Major /ˌkeɪnɨs ˈmeɪdʒər/ is a constellation in the southern celestial hemisphere. In the second century, it was included in Ptolemy's 48 constellations, and is counted among the 88 modern constellations. Its name is Latin for ""greater dog"" in contrast to Canis Minor, the ""lesser dog""; both figures are commonly represented as following the constellation of Orion the hunter through the sky. The Milky Way passes through Canis Major and several open clusters lie within its borders, most notably M41.Canis Major contains Sirius, the brightest star in the night sky, known as the ""dog star"". It is bright because of its proximity to our Solar System. In contrast, the other bright stars of the constellation are stars of great distance and high luminosity. At magnitude 1.5, Epsilon Canis Majoris (Adhara) is the second brightest star of the constellation and the brightest source of extreme ultraviolet radiation in the night sky. Next in brightness are the yellow-white supergiant Delta (Wezen) at 1.8, the blue-white giant Beta (Mirzam) at 2.0, blue-white supergiants Eta (Aludra) at 2.4 and Omicron1 at 3.0, and white spectroscopic binary Zeta (Furud), also at 3.0. The red hypergiant VY Canis Majoris is one of the largest stars known, while the neutron star RX J0720.4-3125 has a radius of a mere 5 km.
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