Astronomy Notes
... 3. ________________________ - because of gravity the nebula collapses inward. (In the case of our Sun approximately 98% of the matter in the nebula became the star). This collapsing mass is under great pressure and heats up and is called a _____________. (This kind of temperature change is called an ...
... 3. ________________________ - because of gravity the nebula collapses inward. (In the case of our Sun approximately 98% of the matter in the nebula became the star). This collapsing mass is under great pressure and heats up and is called a _____________. (This kind of temperature change is called an ...
Stars - BrainBytes
... Majority of stars (about 90%) fall in this category Runs from upper left (high luminosity, high surface temperature ) to lower right (low luminosity, low surface temperature) Life span: 1 million – 1 billion yrs Actively fuse hydrogen and helium Example: our Sun ...
... Majority of stars (about 90%) fall in this category Runs from upper left (high luminosity, high surface temperature ) to lower right (low luminosity, low surface temperature) Life span: 1 million – 1 billion yrs Actively fuse hydrogen and helium Example: our Sun ...
Life Cycle of a Star
... Stars bigger than our sun will collapse so quickly they explode into a __________________. The core that is leftover after a supernova may form a ______________ star. If the leftover core was above a certain mass, it will continue to collapse in on itself and form a _______ _________. Its gravity is ...
... Stars bigger than our sun will collapse so quickly they explode into a __________________. The core that is leftover after a supernova may form a ______________ star. If the leftover core was above a certain mass, it will continue to collapse in on itself and form a _______ _________. Its gravity is ...
Novel technique water on exoplanets
... of worlds without the need for space-basedtelescopes. Since the early 1990s scientists have found almost 1000 planets in orbit around other stars.These so-calledexoplanets are mostly much larger than the Earth and many are much closer to their stars than we are to the Sun, leadingthem to be d e s c ...
... of worlds without the need for space-basedtelescopes. Since the early 1990s scientists have found almost 1000 planets in orbit around other stars.These so-calledexoplanets are mostly much larger than the Earth and many are much closer to their stars than we are to the Sun, leadingthem to be d e s c ...
Chapter 1 Starts and Galaxies
... Red shift- shift toward the red end of the spectrum of a star that is moving away from the Earth Doppler effect- apparent change in the wavelength of light that occurs when an object is moving toward or away from the Earth Big-bang theory- theory that states that the universe began to expand with th ...
... Red shift- shift toward the red end of the spectrum of a star that is moving away from the Earth Doppler effect- apparent change in the wavelength of light that occurs when an object is moving toward or away from the Earth Big-bang theory- theory that states that the universe began to expand with th ...
The Life Cycle of Stars
... expands to 10 – 100 times its original size The star has used all of its hydrogen fuel. The center shrinks. ...
... expands to 10 – 100 times its original size The star has used all of its hydrogen fuel. The center shrinks. ...
Stellar Evolution
... decrease; no more elements to fuse • Star begins to collapse • Dying star surrounded by gases ...
... decrease; no more elements to fuse • Star begins to collapse • Dying star surrounded by gases ...
1 - WordPress.com
... 10. If astronomers observe a star’s spectrum shifted toward the red end, how is the star moving relative to Earth? ...
... 10. If astronomers observe a star’s spectrum shifted toward the red end, how is the star moving relative to Earth? ...
Chapter 30
... What the Universe is Made of 4% Stars and planets 23% Dark Matter – doesn’t give off light but has gravity 73% Dark Energy - ??? May be a force that opposes gravity ...
... What the Universe is Made of 4% Stars and planets 23% Dark Matter – doesn’t give off light but has gravity 73% Dark Energy - ??? May be a force that opposes gravity ...
The Science behind the Stars ctY Astrophysics by Spencer McClung
... processing power of student calculators versus supercomputers), the class constantly strove for improvements, getting more exact answers every day. It became almost a game to see who could calculate most precisely how many atoms are in our Sun. While I had expected this course to involve calculation ...
... processing power of student calculators versus supercomputers), the class constantly strove for improvements, getting more exact answers every day. It became almost a game to see who could calculate most precisely how many atoms are in our Sun. While I had expected this course to involve calculation ...
Life Cycle of Stars Flipbook Assignment
... 1. Divide the paper in half long-ways 2. Divide the paper in half again and then again (8 rectangles on the paper) 3. Draw pictures of a star from birth to death as it goes from stage to stage. 4. Cut out pages and staple so that it flips in order from birth to death. Completion: 1. Gather in groups ...
... 1. Divide the paper in half long-ways 2. Divide the paper in half again and then again (8 rectangles on the paper) 3. Draw pictures of a star from birth to death as it goes from stage to stage. 4. Cut out pages and staple so that it flips in order from birth to death. Completion: 1. Gather in groups ...
The Stars
... The Stars Stars vary greatly in size, brightness, temperature, and colour. Here are some of the things we have learned about the properties of stars. Measuring distance Just as with the kilometre, the AU is not very useful when we start to study stuff outside of our Solar System. A much larger unit ...
... The Stars Stars vary greatly in size, brightness, temperature, and colour. Here are some of the things we have learned about the properties of stars. Measuring distance Just as with the kilometre, the AU is not very useful when we start to study stuff outside of our Solar System. A much larger unit ...
powerpoint version
... Stars will form and bake. In other words... Gas and dust cloud is compressed by shock wave from a supernova, gravity takes over so cloud condenses, getting hotter and smaller. Cloud becomes a T Tauri star, lowish mass, red, buried in ISM. Original cloud was almost certainly rotating. As it gets smal ...
... Stars will form and bake. In other words... Gas and dust cloud is compressed by shock wave from a supernova, gravity takes over so cloud condenses, getting hotter and smaller. Cloud becomes a T Tauri star, lowish mass, red, buried in ISM. Original cloud was almost certainly rotating. As it gets smal ...
Ay123 Fall 2011 STELLAR STRUCTURE AND EVOLUTION Problem Set 5
... temperature for the same value of ρ. Make sure the temperature range of your plot covers both ionized and non-ionized states. 2. Assume the Sun is fully ionized and fully convective all the way to its surface. (a) Show that the sound speed close to the surface is given by c2 = (γ − 1) g z where z = ...
... temperature for the same value of ρ. Make sure the temperature range of your plot covers both ionized and non-ionized states. 2. Assume the Sun is fully ionized and fully convective all the way to its surface. (a) Show that the sound speed close to the surface is given by c2 = (γ − 1) g z where z = ...
Stellar Evolution Notes
... formed iron, no more reactions can occur, and the core violently collapses in on itself Supernova ...
... formed iron, no more reactions can occur, and the core violently collapses in on itself Supernova ...