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Stellar Evolution - Harnett County High Schools Wiki
Stellar Evolution - Harnett County High Schools Wiki

... occurs faster. Those bodies that are still spinning rapidly may emit radiation that from Earth appears to blink on and off as the star spins, like the beam of light from a turning lighthouse. This "pulsing" appearance gives some neutron stars the name pulsars. ...
monkeyball_lifecycleofastar
monkeyball_lifecycleofastar

... atoms which gives it the Bright red color. When this happens in billions Of years if there are still Humans, all life will be fried. ...
File - Science with Mrs. Schmidt
File - Science with Mrs. Schmidt

... _____ 10. A continuous spectrum is a spectrum that shows a. some of the colors. b. some of the colors and some black lines. c. all the colors. d. all the colors and some black lines. _____ 11. What instrument breaks a star’s light into a spectrum? a. a continuous spectrum b. a telescope c. a spectro ...
MIDTERM #1 AST209 - The Cosmos Feb 10, 2012 50 minutes
MIDTERM #1 AST209 - The Cosmos Feb 10, 2012 50 minutes

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04 Aug 2007

Stellar Classification
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... the HR diagram has been used historically to determine what happens to stars as they are born, evolve, and die. 2. It is also important for students to understand that because stars lie in very defined regions on the diagram, we are able to use it to determine the distances to those stars on the bas ...
Astro 10 Practice Test 3
Astro 10 Practice Test 3

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... Black holes If the star was bigger than 30 times the mass of the sun  The left over core becomes so dense that light can’t escape its gravity.  Becomes a black hole.  Grab any nearby matter and get bigger  As matter falls in, it gives off x-rays.  That’s how they find them ...
Date_________________ TWINKLE, TWINKLE
Date_________________ TWINKLE, TWINKLE

... Astronomers have discovered that stars in the same spectral class are similar in brightness, or magnitude. Unfortunately stars are at varying distances from us and this changes how bright they appear to us, just as car headlights vary in brightness depending on how close they are. To handle this pro ...
s*t*a*r chart - Ontario Science Centre
s*t*a*r chart - Ontario Science Centre

... FEB 29 Leap day! One revolution of the Earth around the Sun takes approximately 365 days and 6 hours, resulting in an additional 24 hours accumulating every four years. * Impressive or relatively rare astronomical event ...
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E3 – Stellar distances

... Spectroscopic parallax - Example • A main sequence star emits most of its energy at λ = 2.4 x 10-7 m. Its apparent brightness is measured to be 4.3 x 10-9 W.m-2. How far away is the star? • λ 0T = 2.9 x 10-3 Km • T = 2.9 x 10-3 / 4.3 x 10-9 = 12000K ...
Astronomy 1020 Exam 1 Review Questions
Astronomy 1020 Exam 1 Review Questions

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Lecture 21

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Right Ascension / Declination
Right Ascension / Declination

... +90 and -90, respectively) A reference point was needed from which to begin measuring longitude (Grenwich, England), and astronomers also had to decide on a point to begin measuring right ascension, so they looked to the path of the Sun. The earth is tilted 23.5 degrees in its orbit around the Sun, ...
Globular Cluster in Canes Venatici
Globular Cluster in Canes Venatici

... is easy to spot in binoculars; a 4-inch scope will resolve the outer portions but it takes an 8-inch scope to resolve the core. One reference notes that M3 is notable for its extensive halo and radiating arms of stars. ...
Project Packet - Montville.net
Project Packet - Montville.net

STAAR Review – Week Ten
STAAR Review – Week Ten

... Astronomers can indirectly measure the heat of objects such as particles of dust between stars. They do this by determining the – a. frequency of the particles’ infrared waves. b. size of the particles. c. speed of the particles from one location to another. d. number of atoms that the particles con ...
Answers
Answers

ppt document
ppt document

... luminosity, but hotter tends to increase luminosity. The position of the newly forming star on the H-R diagram will move to the left as it heats up but wander up and down somewhat as its size shrinks. This process takes about 50 million years for a star like the sun, but may take a much shorter time ...
Stars II. Stellar Physics
Stars II. Stellar Physics

... Homework: Textbook of D. Maoz, p61, 2, 6,9 ...
Chapter 16
Chapter 16

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OH Science Standards for STARS
OH Science Standards for STARS

...  The solar system includes the sun and all celestial bodies that orbit the sun. Each planet in the solar system has unique characteristics. o The distance from the sun, size, composition and movement of each planet are unique. Planets revolve around the sun in elliptical orbits. Some of the planets ...
Homework #9 - Solutions - Department of Physics and Astronomy
Homework #9 - Solutions - Department of Physics and Astronomy

... in the Pleiades star cluster The Pleiades star cluster is a young open star cluster located in the spiral arms, thus we would expect population I stars. d) in intergalactic space (beyond the halo) We would expect to see only old extreme population II stars (and possibly population III stars which ar ...
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Ursa Minor



Ursa Minor (Latin: ""Smaller She-Bear"", contrasting with Ursa Major), also known as the Little Bear, is a constellation in the northern sky. Like the Great Bear, the tail of the Little Bear may also be seen as the handle of a ladle, hence the name Little Dipper. It was one of the 48 constellations listed by the 2nd-century astronomer Ptolemy, and remains one of the 88 modern constellations. Ursa Minor has traditionally been important for navigation, particularly by mariners, due to Polaris being the North Star.Polaris, the brightest star in the constellation, is a yellow-white supergiant and the brightest Cepheid variable star in the night sky, ranging from apparent magnitude 1.97 to 2.00. Beta Ursae Minoris, also known as Kochab, is an aging star that has swollen and cooled to become an orange giant with an apparent magnitude of 2.08, only slightly fainter than Polaris. Kochab and magnitude 3 Gamma Ursae Minoris have been called the ""guardians of the pole star"". Planets have been detected orbiting four of the stars, including Kochab. The constellation also contains an isolated neutron star—Calvera—and H1504+65, the hottest white dwarf yet discovered with a surface temperature of 200,000 K.
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