characteristics of stars
... close even though they are separated by large distance. Most of the stars outside the bulge are arranged in long ____________, called _________ which curve around the bulge. The entire Milky Way rotates around this bulge. The Milky Way Galaxy is called a ____________galaxy because of its circular, s ...
... close even though they are separated by large distance. Most of the stars outside the bulge are arranged in long ____________, called _________ which curve around the bulge. The entire Milky Way rotates around this bulge. The Milky Way Galaxy is called a ____________galaxy because of its circular, s ...
HNRS 227 Lecture #2 Chapters 2 and 3
... Young star clusters give insight into star formation and evolution Newborn stars may form an open or galactic cluster Stars are held together in such a cluster by gravity Occasionally a star moving more rapidly than average will escape, or leave the cluster A stellar association is a group ...
... Young star clusters give insight into star formation and evolution Newborn stars may form an open or galactic cluster Stars are held together in such a cluster by gravity Occasionally a star moving more rapidly than average will escape, or leave the cluster A stellar association is a group ...
“Contact” Movie Notes
... Just before Ellie is dropped out of the machine, she sees a group of shiny lights shooting across the sky. What do you think this could be? _________________________________________________________________________ ...
... Just before Ellie is dropped out of the machine, she sees a group of shiny lights shooting across the sky. What do you think this could be? _________________________________________________________________________ ...
Slide 1
... Distance between stars in a galaxy About one parsec (defined later) One parsec is 3.26 light years ...
... Distance between stars in a galaxy About one parsec (defined later) One parsec is 3.26 light years ...
Chapter 30 Section 2 Handout
... The band that runs diagonally through the Hertzsprung-Russell diagram and extends from cool, dim, red stars at the lower right to hot, bright, blue stars at the upper left. ...
... The band that runs diagonally through the Hertzsprung-Russell diagram and extends from cool, dim, red stars at the lower right to hot, bright, blue stars at the upper left. ...
Summary for week #2
... Einstein’s special theory of relativity revealed that mass was a form of energy, with the conversion between the two expressed via the equation E = mc2. Because the speed of light is so large, mass is a very `concentrated’ form of energy, but under normal circumstances there is no way to liberate th ...
... Einstein’s special theory of relativity revealed that mass was a form of energy, with the conversion between the two expressed via the equation E = mc2. Because the speed of light is so large, mass is a very `concentrated’ form of energy, but under normal circumstances there is no way to liberate th ...
G030485-00 - DCC
... • Once formed, a star is powered by nuclear burning • Hydrogen and then Helium fuse togetherproducing energy (light and heat) and forming heavier elements ...
... • Once formed, a star is powered by nuclear burning • Hydrogen and then Helium fuse togetherproducing energy (light and heat) and forming heavier elements ...
Astronomy – Studying the Stars & Space
... bigger than our sun as red giant or 100 times bigger as a super giant ...
... bigger than our sun as red giant or 100 times bigger as a super giant ...
Name: ____________________________ Date: _____________ Per. _________ Stars Study Guide (Ch. 21)
... 13. What is a graph that shows the relationship between absolute brightness and surface temperature of a star? __________________ ...
... 13. What is a graph that shows the relationship between absolute brightness and surface temperature of a star? __________________ ...
Semester Review Answers - School District of La Crosse
... 37. The cross staff was used to measure: angular distances USING THE ANALEMA ANSWER THE FOLLOWING QUESTIONS- I will not give these answers since I'm checking to see if you know how to use it 38.The date when the sun first crosses the celestial equator is: 39. The declination of the sun on September ...
... 37. The cross staff was used to measure: angular distances USING THE ANALEMA ANSWER THE FOLLOWING QUESTIONS- I will not give these answers since I'm checking to see if you know how to use it 38.The date when the sun first crosses the celestial equator is: 39. The declination of the sun on September ...
chapter10
... The Fate of our Sun and the End of Earth • Sun will expand to a red giant in ~ 5 billion years • Expands to ~ Earth’s orbit • Earth will then be ...
... The Fate of our Sun and the End of Earth • Sun will expand to a red giant in ~ 5 billion years • Expands to ~ Earth’s orbit • Earth will then be ...
Observing the Solar System
... • INERTIA and GRAVITY • Inertia is a tendency of a moving object to continue in a straight line or a stationary object to remain in place. The more mass an object has, the more inertia it has. • The force of gravity attracts all objects towards each other. No one is for sure how gravity works or why ...
... • INERTIA and GRAVITY • Inertia is a tendency of a moving object to continue in a straight line or a stationary object to remain in place. The more mass an object has, the more inertia it has. • The force of gravity attracts all objects towards each other. No one is for sure how gravity works or why ...
STARS - AN INTRODUCTION
... Stars are balls of burning gas. Different types of gases make the star burn. They give off light and heat. The Sun is a medium sized star. It is bigger than all eight planets combined! However, there are stars a lot bigger than the Sun! The largest stars are called ...
... Stars are balls of burning gas. Different types of gases make the star burn. They give off light and heat. The Sun is a medium sized star. It is bigger than all eight planets combined! However, there are stars a lot bigger than the Sun! The largest stars are called ...
Figures I through VII in Section 1 on the following sheet
... Of stars C and E in figure X, which is more likely to have produced the spectrum in figure II (_4_)? Why (_5_)? Of the stars labeled on figure X: Which two are the two hottest (_6_)? Which are the two brightest (_7_)? Which has the largest radius (_8_)? Which is most like our sun (_9_)? Approximatel ...
... Of stars C and E in figure X, which is more likely to have produced the spectrum in figure II (_4_)? Why (_5_)? Of the stars labeled on figure X: Which two are the two hottest (_6_)? Which are the two brightest (_7_)? Which has the largest radius (_8_)? Which is most like our sun (_9_)? Approximatel ...
Astronomy 114 Problem Set # 7 Due: 30 Apr 2007 SOLUTIONS 1
... a fraction of an arc second at best. Especially for ground-based telescopes, the main goal is collecting photons! 2 How big would a radio telescope observing at 20 cm wavelength have to be in order to resolve the same angle as the Keck telescope in the last problem? Since 20 cm is in radio wavelengt ...
... a fraction of an arc second at best. Especially for ground-based telescopes, the main goal is collecting photons! 2 How big would a radio telescope observing at 20 cm wavelength have to be in order to resolve the same angle as the Keck telescope in the last problem? Since 20 cm is in radio wavelengt ...
Lec12
... squeezed as they move into spiral arms 2. Squeezing of clouds triggers star formation 3. Young stars flow out of spiral arms ...
... squeezed as they move into spiral arms 2. Squeezing of clouds triggers star formation 3. Young stars flow out of spiral arms ...
Name: _ Period: _______ Date: _______ Astronomy Vocabulary To
... observation and the use of theoretical models. 2. Heliocentric Model- The ancient model of the earth, first created by Copernicus, that stated our planets revolved around the sun. 3. Geocentric Model- The ancient model of the universe, first created by Ptolemy, that stated the earth was the center o ...
... observation and the use of theoretical models. 2. Heliocentric Model- The ancient model of the earth, first created by Copernicus, that stated our planets revolved around the sun. 3. Geocentric Model- The ancient model of the universe, first created by Ptolemy, that stated the earth was the center o ...
Chapter 28 Vocabulary
... Astronomical Unit – the average distance between Earth and the sun, about 150 million kilometers. ...
... Astronomical Unit – the average distance between Earth and the sun, about 150 million kilometers. ...
Interstellar clouds
... • Protostars: gravitational energy is being converted into thermal energy, and material falls on the accretion disk. • The protostar is thousands of time more luminous than the star it will form, and hundreds of times larger. ...
... • Protostars: gravitational energy is being converted into thermal energy, and material falls on the accretion disk. • The protostar is thousands of time more luminous than the star it will form, and hundreds of times larger. ...
100 Greatest Discoveries in Science
... gravitational pull on the star. Scientists don’t look for the planets because they don’t create their own light and are very dim. How many “extra solar” planets (planets outside our solar system) have been found so far? Around 130 What qualities would a planet need to support life? The star the plan ...
... gravitational pull on the star. Scientists don’t look for the planets because they don’t create their own light and are very dim. How many “extra solar” planets (planets outside our solar system) have been found so far? Around 130 What qualities would a planet need to support life? The star the plan ...
Reviewing concepts covered this year Looking Back
... measurements and observations. ____ 3. Factor in an experiment that can be manipulated by the experimenter. ____ 4. Factor in an experiment that can change if other factors are changed. ____ 5. After careful observation and applying background knowledge, ______ are formed by the observer. ____ 6. St ...
... measurements and observations. ____ 3. Factor in an experiment that can be manipulated by the experimenter. ____ 4. Factor in an experiment that can change if other factors are changed. ____ 5. After careful observation and applying background knowledge, ______ are formed by the observer. ____ 6. St ...