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Star Life Cycle Powerpoin
Star Life Cycle Powerpoin

... • The massive outer layers of the star again rush into the core and rebound, generating staggering amounts of energy. ...
Astro 2 - Red Hook Central School District
Astro 2 - Red Hook Central School District

Lecture_17ppt
Lecture_17ppt

View Presentation Slides
View Presentation Slides

... Stars have “life cycles”. They are “born” and they “die” but are not alive like us. Stars like the Sun “die” by “puffing” off their outer layers of gas and dust. This process creates a beautiful variety of NEBULAE in the Milky Way GALAXY. ...
File - Adopt A Constellation
File - Adopt A Constellation

... • Constellations - A pattern or group of stars in the sky that humans observe in a pattern and give a name. • People of ancient time saw the constellations as character or animals in the sky. They made up stories to explain how the object, animal, or character came into the night sky • Earth rotate ...
Astrophysics
Astrophysics

(AU): Average distance from Earth to Sun
(AU): Average distance from Earth to Sun

... turn to gas when heated by the sun • Heating by sun forms a tail, which is blown away from sun by solar ...
The Sun PPT
The Sun PPT

Chapter 28 – Stars and Galaxies
Chapter 28 – Stars and Galaxies

... supernova  blackhole or neutron star c. our sun will swell into a red giant, then its outer layers will get blown away and only an earth-sized fiery hot carbon-oxygen core will remain (white dwarf) D. Remnants of Massive Stars 1 Massive star goes supernova, the core that is left behind is so massiv ...
Great Migrations & other natural history tales
Great Migrations & other natural history tales

Document
Document

NIE10x301Sponsor Thank You (Page 1)
NIE10x301Sponsor Thank You (Page 1)

... featureless balls of stars flattened to various degrees, but they cover an enormous range of sizes, from dwarfs to titanic giants formed from galaxy mergers with over a trillion stars! Galaxies are typically spread throughout the universe in groups and clusters. Our own neck of the woods in the cosm ...
Massive Stars - University of Washington
Massive Stars - University of Washington

December 1, 2011 - Perry Local Schools
December 1, 2011 - Perry Local Schools

... Sometimes the labels are a little different: The vertical position represents the star's luminosity.         This could be the luminosity in watts.         More commonly it is in units of the Sun's luminosity.         In either case, a ``ratio scale'' is used.         Absolute magnitude is also com ...
Stars Powerpoint
Stars Powerpoint

... Just one teaspoon of a neutron star would have the mass of over 5 x 1012 kilograms. ...
Homework #3
Homework #3

... a) Assuming uniform density, how does the average density of a star vary with mass on the main sequence? If the mass is halved, does the density go up or down and by what factor? b) Assuming hydrostatic equilibrium continuing to assume constant density and the dominance of ideal gas pressure, how do ...
StarType
StarType

... þ Lõõ °TÐÿÿÿÿÿÿÿÿ÷& à=Ð/Ð8Types of Stars When you look at the stars you’ll notice that some are white, some are yellow, and some are red. Stars are classified according to their colors, ranging from electric blue for the hottest stars to dull red for the coolest stars. Early spectrometers identified ...
Life in the Universe
Life in the Universe

... to considering extrasolar planets with habitable surfaces. So far all detected extrasolar planets (except maybe one or two) are gaseous giants and are unlikely to have surface life. ...
How many planets are there in the galaxy?
How many planets are there in the galaxy?

... massive they are. In the case of the transit method, planets are detected when they pass directly in front of their star, causing it to dim. Here, size and mass are estimated based on the level of dimming. In the course of its mission, the Kepler mission has observed about 150,000 stars, which durin ...
Star Formation
Star Formation

Galactic Address/Stars/Constellations
Galactic Address/Stars/Constellations

... • Milky Way Galaxy • Local Group • Virgo Supercluster • Universe ...
Lecture 13
Lecture 13

... Every star with less than 5M will end up as a White Dwarf ...
The Hertzsprung-Russell Diagram
The Hertzsprung-Russell Diagram

... sequence K5 stars radiate the same amount of energy from each square meter. So, in order for the K5 giant to be more luminous, it must have more square meters; i.e, it must have a larger surface area, thus a larger radius. 5. The B0 I star is farthest away, as it is the most luminous among the star ...
astronomy - sfox4science
astronomy - sfox4science

... Our solar system is a just a small speck within the Milky Way Galaxy. The Milky Way Galaxy is a spiral galaxy. The Milky Way Galaxy has a diameter of about 100,000 light years, with the sun being located about 30,000 light-years from the center of the galaxy. 11. What type of galaxy is the Milky Wa ...
Star Types
Star Types

... sun, an O star, a white dwarf, or a red giant? Which of these star is the hottest? What are Sun-like stars (0.4 Msun < M < 8 Msun) in common? What about red dwarfs (0.08 Msun < M < 0.4 Msun) ? Where do stars spend most of their time? ...
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Future of an expanding universe

Observations suggest that the expansion of the universe will continue forever. If so, the universe will cool as it expands, eventually becoming too cold to sustain life. For this reason, this future scenario is popularly called the Big Freeze.If dark energy—represented by the cosmological constant, a constant energy density filling space homogeneously, or scalar fields, such as quintessence or moduli, dynamic quantities whose energy density can vary in time and space—accelerates the expansion of the universe, then the space between clusters of galaxies will grow at an increasing rate. Redshift will stretch ancient, incoming photons (even gamma rays) to undetectably long wavelengths and low energies. Stars are expected to form normally for 1012 to 1014 (1–100 trillion) years, but eventually the supply of gas needed for star formation will be exhausted. And as existing stars run out of fuel and cease to shine, the universe will slowly and inexorably grow darker, one star at a time. According to theories that predict proton decay, the stellar remnants left behind will disappear, leaving behind only black holes, which themselves eventually disappear as they emit Hawking radiation. Ultimately, if the universe reaches a state in which the temperature approaches a uniform value, no further work will be possible, resulting in a final heat death of the universe.
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