Unit 1: The Big Picture
... Spin in direction indicated by arms Barred spiral: bar of stars running through nucleus…page 505 in textbook for diagrams ...
... Spin in direction indicated by arms Barred spiral: bar of stars running through nucleus…page 505 in textbook for diagrams ...
From the Everett and Seattle Astronomical
... The glory of the summer sky is highlighted by the Milky Way, a giant spiral galaxy, which stretches from the northern horizon in Perseus, through the cross-shaped constellation Cygnus and down to Sagittarius in the south. The Milky Way is packed with riches such as star clusters, nebulae, double sta ...
... The glory of the summer sky is highlighted by the Milky Way, a giant spiral galaxy, which stretches from the northern horizon in Perseus, through the cross-shaped constellation Cygnus and down to Sagittarius in the south. The Milky Way is packed with riches such as star clusters, nebulae, double sta ...
Reading Preview
... A star’s ________ gives clues about the star’s temperature. The coolest stars appear ________. The hottest stars appear ________. Very large stars are called ________ stars or ____________ stars. Our sun is a medium sized ________. Most stars are ________ than the sun. White dwarf stars are abou ...
... A star’s ________ gives clues about the star’s temperature. The coolest stars appear ________. The hottest stars appear ________. Very large stars are called ________ stars or ____________ stars. Our sun is a medium sized ________. Most stars are ________ than the sun. White dwarf stars are abou ...
Star Properties and Stellar Evolution
... of magnitude equals a 2.5 difference from the previous number. ...
... of magnitude equals a 2.5 difference from the previous number. ...
![Sun, Stars and Planets [Level 2] 2015](http://s1.studyres.com/store/data/007097773_1-15996a23762c2249db404131f50612f3-300x300.png)
A Star’s Life
... All stars begin as a ball of gas & Dust in space This is the death of a large star by explosion So massive light cannot escape. The mass of 3 suns and about 6 miles across ...
... All stars begin as a ball of gas & Dust in space This is the death of a large star by explosion So massive light cannot escape. The mass of 3 suns and about 6 miles across ...
Quiz Questions
... A. we don't see the sun contracting B. the spectrum looks like nuclear production C. the energy from gravitational contraction can't last long enough D. we see helium produced by 4H 6 He 4. Energy is produced at the center of the Sun. By the time it reaches our eyes, it has been transported by A. co ...
... A. we don't see the sun contracting B. the spectrum looks like nuclear production C. the energy from gravitational contraction can't last long enough D. we see helium produced by 4H 6 He 4. Energy is produced at the center of the Sun. By the time it reaches our eyes, it has been transported by A. co ...
PHYS 200 - Understanding the Universe
... • Report on: what makes up the solar system, what is the physical difference between planets and stars, whether stars live forever, and what makes up our Milky Way Galaxy. • Comprehend that cosmic bodies are always in motion relative to each other. That for example the relative motion of the Earth, ...
... • Report on: what makes up the solar system, what is the physical difference between planets and stars, whether stars live forever, and what makes up our Milky Way Galaxy. • Comprehend that cosmic bodies are always in motion relative to each other. That for example the relative motion of the Earth, ...
TU Muscae and the Early-type Overcontact Binaries
... Provide accurate data that are very difficult to determine for single stars such as masses and radii. ...
... Provide accurate data that are very difficult to determine for single stars such as masses and radii. ...
Before Reading
... How Many Stars in the Sky? • What are the problems the child encounters trying to count the stars in the sky? • Why is the country a better place than the city to see stars? • Do you think it is possible to count all the stars in the sky? Why or why not? ...
... How Many Stars in the Sky? • What are the problems the child encounters trying to count the stars in the sky? • Why is the country a better place than the city to see stars? • Do you think it is possible to count all the stars in the sky? Why or why not? ...
Stars - White Plains Public Schools
... Compared to other stars it is not too bright and not too hot. It’s just ...
... Compared to other stars it is not too bright and not too hot. It’s just ...
The Planet with Three Suns
... star.) The strange new world was discovered orbiting a star in a triple star system. That means its parent star orbits alongside two other stars. This makes sunrises and sunsets something special — sometimes one sun rises in the sky, sometimes it’s two or three! But despite this, this planet is not ...
... star.) The strange new world was discovered orbiting a star in a triple star system. That means its parent star orbits alongside two other stars. This makes sunrises and sunsets something special — sometimes one sun rises in the sky, sometimes it’s two or three! But despite this, this planet is not ...
When Stars Blow Up
... •When the temperature reaches a few MK, fusion begins •Degenerate fusion is a runaway. •All the H fuses to He and heavier elements in a soundcrossing time (a few minutes) •The star increases in brightness ~ 10,000 times •Most of the matter is ejected ...
... •When the temperature reaches a few MK, fusion begins •Degenerate fusion is a runaway. •All the H fuses to He and heavier elements in a soundcrossing time (a few minutes) •The star increases in brightness ~ 10,000 times •Most of the matter is ejected ...
POWERPOINT JEOPARDY - Mr. Dalton
... The number of neutrons that are in the element shown below. ...
... The number of neutrons that are in the element shown below. ...
Name: Notes – #45 The Diverse Sizes of Stars 1. A Hertzsprung
... of energy stars emit is proportional to their surface temperature to the ______ power. 4. A star that is twice as hot as another star with the same surface area emits ______ times more energy per second. 5. What is the equation for the luminosity of a star? 6. Super giants tend to have surface tempe ...
... of energy stars emit is proportional to their surface temperature to the ______ power. 4. A star that is twice as hot as another star with the same surface area emits ______ times more energy per second. 5. What is the equation for the luminosity of a star? 6. Super giants tend to have surface tempe ...
Distance Measurement
... With the ground based observations we can see about 1000 stars within a 20pc (70LY) radius. Why Hubble Space Telescope?? ...
... With the ground based observations we can see about 1000 stars within a 20pc (70LY) radius. Why Hubble Space Telescope?? ...
Twinkle, Twinkle, Little Star
... The brightness of a star depends on both the size and temperature of the star. But, how bright it APPEARS to us depends on how far it is from Earth and how bright it truly is. ...
... The brightness of a star depends on both the size and temperature of the star. But, how bright it APPEARS to us depends on how far it is from Earth and how bright it truly is. ...
Stellar kinematics
Stellar kinematics is the study of the movement of stars without needing to understand how they acquired their motion. This differs from stellar dynamics, which takes into account gravitational effects. The motion of a star relative to the Sun can provide useful information about the origin and age of a star, as well as the structure and evolution of the surrounding part of the Milky Way.In astronomy, it is widely accepted that most stars are born within molecular clouds known as stellar nurseries. The stars formed within such a cloud compose open clusters containing dozens to thousands of members. These clusters dissociate over time. Stars that separate themselves from the cluster's core are designated as members of the cluster's stellar association. If the remnant later drifts through the Milky Way as a coherent assemblage, then it is termed a moving group.