Elements from Stardust
... than the sun. • These stars are large enough to produce heavier elements like Magnesium and Silicon. • In Massive stars, fusion continues until the core is almost all iron. ...
... than the sun. • These stars are large enough to produce heavier elements like Magnesium and Silicon. • In Massive stars, fusion continues until the core is almost all iron. ...
Project Packet - Montville.net
... stars say their day is going to be like. So, what is your sign? What is the history of your sign? Can you find the constellation that is your sign in the night sky? What are the stars in your sign’s constellation? If you don’t know, by the end of this activity, you will. Objectives 1. Find out where ...
... stars say their day is going to be like. So, what is your sign? What is the history of your sign? Can you find the constellation that is your sign in the night sky? What are the stars in your sign’s constellation? If you don’t know, by the end of this activity, you will. Objectives 1. Find out where ...
Mass and the Properties of Main Sequence Stars
... Mass and the Properties of Main Sequence Stars Mass is the most important properties of the main-sequence stars. It determine their luminosity, surface temperature, radius, and lifetime. • Nuclear fusion requires high temperatures and densities in the core, ~10 Rsun and the star’s internal condition ...
... Mass and the Properties of Main Sequence Stars Mass is the most important properties of the main-sequence stars. It determine their luminosity, surface temperature, radius, and lifetime. • Nuclear fusion requires high temperatures and densities in the core, ~10 Rsun and the star’s internal condition ...
Untitled - Notion Press
... find a green star. Travel far away from the city you live; as far as you can (Antarctica will be the best spot). Watch the sky and start to spot the stars of different colors. Mostly, you would see the blue, white and red stars. The ‘green color’ stars will be present nowhere. This is because of you ...
... find a green star. Travel far away from the city you live; as far as you can (Antarctica will be the best spot). Watch the sky and start to spot the stars of different colors. Mostly, you would see the blue, white and red stars. The ‘green color’ stars will be present nowhere. This is because of you ...
Here
... • To obtain a high resolution spectrum, light from a star is passed through a prism (or reflected off a grating), and focused and detected using some complicated optics. ...
... • To obtain a high resolution spectrum, light from a star is passed through a prism (or reflected off a grating), and focused and detected using some complicated optics. ...
Measuring Stars
... The Hertzsprung–Russell Diagram Once many stars are plotted on an H–R diagram, a pattern begins to form: These are the 80 closest stars to us The darkened curve is called the main sequence, as this is where most stars are. Also indicated is the white dwarf region; these stars are hot but not very l ...
... The Hertzsprung–Russell Diagram Once many stars are plotted on an H–R diagram, a pattern begins to form: These are the 80 closest stars to us The darkened curve is called the main sequence, as this is where most stars are. Also indicated is the white dwarf region; these stars are hot but not very l ...
IND 6 - 1 Stars and Stellar Evolution In order to better understand
... First, we have to look at one of the boxes “Metallicity” In astronomy, anything that is not Hydrogen or Helium is a “metal” – only H and He were formed in abundance in the Big Bang and EVERY OTHER ELEMENT had to be formed inside a star! IRON is used as a proxy for all “metals” (because it’s abun ...
... First, we have to look at one of the boxes “Metallicity” In astronomy, anything that is not Hydrogen or Helium is a “metal” – only H and He were formed in abundance in the Big Bang and EVERY OTHER ELEMENT had to be formed inside a star! IRON is used as a proxy for all “metals” (because it’s abun ...
“Breakthroughs” of the 20th Century
... being convinced that there was but one galaxy, the one that contained our Sun and Solar System. Then, in 1928, there was a breakthrough. The Universe did not just contain a single galaxy; there were actually huge numbers of them. (1999 Hubble Space Telescope observations led to an estimate of about ...
... being convinced that there was but one galaxy, the one that contained our Sun and Solar System. Then, in 1928, there was a breakthrough. The Universe did not just contain a single galaxy; there were actually huge numbers of them. (1999 Hubble Space Telescope observations led to an estimate of about ...
userfiles/602xxh/files/2013%e5%b1%8a%e9%ab%98%e4%b8%89
... According to Alan Boss, a scientist who wasn’t involved with the study, this method is best for “finding the big guys”. But, he said, the discovery shows spotting smaller planets is also possible. “The really nice thing about finding systems like this is that it shows there’re many more out there，” ...
... According to Alan Boss, a scientist who wasn’t involved with the study, this method is best for “finding the big guys”. But, he said, the discovery shows spotting smaller planets is also possible. “The really nice thing about finding systems like this is that it shows there’re many more out there，” ...
Colour-magnitude diagram of an open cluster
... • The second purpose of the report is for you to demonstrate that you understand what you did. Do not just mention which computer programs or IRAF tasks you used to manipulate the data - please also explain what these programs and tasks do. Apart from these general requirements, your report should ...
... • The second purpose of the report is for you to demonstrate that you understand what you did. Do not just mention which computer programs or IRAF tasks you used to manipulate the data - please also explain what these programs and tasks do. Apart from these general requirements, your report should ...
File
... • An energetic shock wave sweeps through the star at high speed, blasting all overlying layers, including heavy elements outside iron inner core, into space. ...
... • An energetic shock wave sweeps through the star at high speed, blasting all overlying layers, including heavy elements outside iron inner core, into space. ...
2016June StarStuff - Ford Amateur Astronomy Club
... When isolated stars like our Sun reach the end of their lives, they're expected to blow off their outer layers in a roughly spherical configuration: a planetary nebula. But the most spectacular bubbles don't come from gas-and-plasma getting expelled into otherwise empty space, but from young, hot st ...
... When isolated stars like our Sun reach the end of their lives, they're expected to blow off their outer layers in a roughly spherical configuration: a planetary nebula. But the most spectacular bubbles don't come from gas-and-plasma getting expelled into otherwise empty space, but from young, hot st ...
Evolution of a Planetary System
... Is Our Sun Unique? __________________________________________________________________ ...
... Is Our Sun Unique? __________________________________________________________________ ...
Ia 超新星的
... The light curve peak lasts for several days, and displays exponential decline at late time Most of SNe Ia show relatively similar spectra and light curves shapes, but definite departures from the canonical events have also been observed. SNe Ia explosion have been detected in galaxies of all Hubble ...
... The light curve peak lasts for several days, and displays exponential decline at late time Most of SNe Ia show relatively similar spectra and light curves shapes, but definite departures from the canonical events have also been observed. SNe Ia explosion have been detected in galaxies of all Hubble ...
the astrolabe - IREM Aix
... The astrolabe is a stereographic projection of the celestial sphere at the place of observation (it is projected onto a plane tangent to the North Pole). It is held vertically in the hand by a ring. The heavenly bodies are targeted by turning the viewfinder (alidade) until the sun or a star is seen ...
... The astrolabe is a stereographic projection of the celestial sphere at the place of observation (it is projected onto a plane tangent to the North Pole). It is held vertically in the hand by a ring. The heavenly bodies are targeted by turning the viewfinder (alidade) until the sun or a star is seen ...
Stellar parallax-aberration is geocentric
... Finally, until we actually get close to a star, which may not be too many years from now if the distance scale required by the model is correct, we can never hope to derive the distance to any star. We can measure three things, the earth-sun distance, ρ, a, and t. From those three we need to derive ...
... Finally, until we actually get close to a star, which may not be too many years from now if the distance scale required by the model is correct, we can never hope to derive the distance to any star. We can measure three things, the earth-sun distance, ρ, a, and t. From those three we need to derive ...
2017 Div. C (High School) Astronomy Help Session
... They are red giants – very late stages of stellar evolution for low mass stars, on the asymptotic giant branch, – will expel their outer envelopes as planetary nebulae and become white dwarfs within a few million years. Massive enough that they have undergone helium fusion in their cores but are les ...
... They are red giants – very late stages of stellar evolution for low mass stars, on the asymptotic giant branch, – will expel their outer envelopes as planetary nebulae and become white dwarfs within a few million years. Massive enough that they have undergone helium fusion in their cores but are les ...
Universe and Solar System
... Goal: Apply your knowledge of the types of objects and their arrangement in the solar system and universe. Role: You are a member of your 6th grade class, which is helping your school compete for a hosting the President for a nationally televised address on space. Audience: The selection team for th ...
... Goal: Apply your knowledge of the types of objects and their arrangement in the solar system and universe. Role: You are a member of your 6th grade class, which is helping your school compete for a hosting the President for a nationally televised address on space. Audience: The selection team for th ...
San Pedro Mártir observations of microvariability in obscured quasars
... have chosen, the contribution of the host galaxy is constant over time and therefore is not causing any additional variations. ...
... have chosen, the contribution of the host galaxy is constant over time and therefore is not causing any additional variations. ...
Astronomy - Fort Thomas Independent Schools
... Newton’s 3rd Law: Planets pulling on each other will pull with the equal and opposite force. Newton’s 2nd Law: Planets with the smaller mass will be more easily accelerated than the larger mass(F = ma) ...
... Newton’s 3rd Law: Planets pulling on each other will pull with the equal and opposite force. Newton’s 2nd Law: Planets with the smaller mass will be more easily accelerated than the larger mass(F = ma) ...
Understanding Planetary Motion
... • Ptolemy’s (incorrect) explanation for retrograde motion was that a planet will move “forward” in its orbit then suddenly circle back in the opposite direction. He explained that planets move in two paths in their orbits. The deferent (the larger orbit around the Earth) and smaller epicycles ...
... • Ptolemy’s (incorrect) explanation for retrograde motion was that a planet will move “forward” in its orbit then suddenly circle back in the opposite direction. He explained that planets move in two paths in their orbits. The deferent (the larger orbit around the Earth) and smaller epicycles ...
Astro 10B Study Questions for Each Chapter
... How are galaxies, groups and clusters distributed through space? Which type of clusters contain the most giant elliptical galaxies? Where would you find a galaxy which is the result of several mergers? What happens when galaxies collide? How would you explain a galaxy having multiple nuclei? Why do ...
... How are galaxies, groups and clusters distributed through space? Which type of clusters contain the most giant elliptical galaxies? Where would you find a galaxy which is the result of several mergers? What happens when galaxies collide? How would you explain a galaxy having multiple nuclei? Why do ...