No Slide Title
... While all stars are circling around the galactic center, they slowly swarm around in random directions. The movement of the stars relative to each other as seen from the Earth is called proper motion. Below: picture of Barnard’s star taken 22 years apart. ...
... While all stars are circling around the galactic center, they slowly swarm around in random directions. The movement of the stars relative to each other as seen from the Earth is called proper motion. Below: picture of Barnard’s star taken 22 years apart. ...
Main-sequence stars - Stellar Populations
... Main-sequence stars are fusing hydrogen into helium in their cores like the Sun Luminous mainsequence stars are hot (blue) Less luminous ones are cooler (yellow or red) ...
... Main-sequence stars are fusing hydrogen into helium in their cores like the Sun Luminous mainsequence stars are hot (blue) Less luminous ones are cooler (yellow or red) ...
Bringing E.T. into Your Classroom The Search for
... using other Methods? Transit method: A planet passing it front of its star produces a change in brightness of 1/10,000 lasting for 2 to 16 hours Can we detect that? ...
... using other Methods? Transit method: A planet passing it front of its star produces a change in brightness of 1/10,000 lasting for 2 to 16 hours Can we detect that? ...
Stars: Binary Systems
... the distance to get the separation, a. Recall that, d(pc) = 1/P, where P is in arc seconds, which is based on the definition that 1 arc sec is the angular separation of the Earth-Sun system (1 AU ) at a distance of 1 pc. It can be shown, by similar triangles, that the angular separation of a binary ...
... the distance to get the separation, a. Recall that, d(pc) = 1/P, where P is in arc seconds, which is based on the definition that 1 arc sec is the angular separation of the Earth-Sun system (1 AU ) at a distance of 1 pc. It can be shown, by similar triangles, that the angular separation of a binary ...
E1 Introduction to the Universe NEW
... About one parsec (defined later) One parsec is 3.26 light years ...
... About one parsec (defined later) One parsec is 3.26 light years ...
CHAPTER 2 NOTES (STARS AND GALAXIES)
... Galaxy- huge collection of stars 3 types of galaxies are: 1. spiral- arms like a pinwheel ex our galaxy- Milky Way 2. elliptical- nearly spherical to flatdisks (older than other galaxies) 3. irregular- no orderly or definite shape, not very common Milky Way Galaxy- pinwheel shaped disk with bulge in ...
... Galaxy- huge collection of stars 3 types of galaxies are: 1. spiral- arms like a pinwheel ex our galaxy- Milky Way 2. elliptical- nearly spherical to flatdisks (older than other galaxies) 3. irregular- no orderly or definite shape, not very common Milky Way Galaxy- pinwheel shaped disk with bulge in ...
UGS303, Extraterrestrial Life: REVIEW FOR FIRST TEST
... Why are ionic molecules, like HCO+ and N2H+, able to react with neutral molecules, like H2, and build more complicated molecules, whereas ordinary, neutral, molecules cannot do this in interstellar clouds? ...
... Why are ionic molecules, like HCO+ and N2H+, able to react with neutral molecules, like H2, and build more complicated molecules, whereas ordinary, neutral, molecules cannot do this in interstellar clouds? ...
Life Cycle of Stars
... narrow band from the upper left to the lower right when plotted according to luminosity and surface temperature on the Hertzsprung-Russell diagram ...
... narrow band from the upper left to the lower right when plotted according to luminosity and surface temperature on the Hertzsprung-Russell diagram ...
How do stars form as a function of stellar mass
... address. Herbig Ae/Be stars span the mass range from roughly 1.5 to 10 solar masses, and luminosities from a few to tens of thousands solar luminosities. If there is a break between low and high mass star formation, it occurs within this vast (but relatively sparsely populated) class of objects. Her ...
... address. Herbig Ae/Be stars span the mass range from roughly 1.5 to 10 solar masses, and luminosities from a few to tens of thousands solar luminosities. If there is a break between low and high mass star formation, it occurs within this vast (but relatively sparsely populated) class of objects. Her ...
History of Astronomy pt.2 - Jessamine County Schools
... to figure it out for as long as we have been around. Even earliest man noticed that things were happening up in the sky and that certain events were happening in cycles. ...
... to figure it out for as long as we have been around. Even earliest man noticed that things were happening up in the sky and that certain events were happening in cycles. ...
Study Guide: Use your notes and handouts to
... 13. For each characteristic below, mark S – Spiral, E – Elliptical, I – Irregular for the types of galaxy it describes. For some of these characteristics, there are more than one answer. _________ Older stars reside primarily in this galaxy _________ Contains stars, gas and dust _________Younger and ...
... 13. For each characteristic below, mark S – Spiral, E – Elliptical, I – Irregular for the types of galaxy it describes. For some of these characteristics, there are more than one answer. _________ Older stars reside primarily in this galaxy _________ Contains stars, gas and dust _________Younger and ...
here. - SUNY Oswego
... their apparent brightness as seen from Earth varies. Their intrinsic brightness is around 0.75 and their period is usually less than a day. They’re commonly found in globular clusters, though the stars involved in out research were field stars, and are used as standard candles which are astronomical ...
... their apparent brightness as seen from Earth varies. Their intrinsic brightness is around 0.75 and their period is usually less than a day. They’re commonly found in globular clusters, though the stars involved in out research were field stars, and are used as standard candles which are astronomical ...
H-R Diagram Student
... H-R Diagram The Hertzsprung-Russell diagram is actually a graph that illustrates the relationship that exists between the average surface temperature of stars and their______________ ______________, which is how bright stars appear to be if they were all the same distance away. Rather than speak of ...
... H-R Diagram The Hertzsprung-Russell diagram is actually a graph that illustrates the relationship that exists between the average surface temperature of stars and their______________ ______________, which is how bright stars appear to be if they were all the same distance away. Rather than speak of ...
History of Astronomy Notes
... People have been looking up at the sky trying to figure it out for as long as we have been around. Even earliest man noticed that things were happening up in the sky and that certain events were happening in cycles. Over the last 3000 years our view of what is happening to the stars and planets has ...
... People have been looking up at the sky trying to figure it out for as long as we have been around. Even earliest man noticed that things were happening up in the sky and that certain events were happening in cycles. Over the last 3000 years our view of what is happening to the stars and planets has ...
powerpoint version
... How did it get there? Massive planet formed further out and dragged in by gas and dust? If so, any terrestrial planets would have been kicked out into interstellar space - not good for life as we know it! ...
... How did it get there? Massive planet formed further out and dragged in by gas and dust? If so, any terrestrial planets would have been kicked out into interstellar space - not good for life as we know it! ...
The Inverse Square Law and Surface Area
... period. This allows us to use trigonometry to find its distance. The angles are extremely small. This direct method is the most accurate way of determining distance ...
... period. This allows us to use trigonometry to find its distance. The angles are extremely small. This direct method is the most accurate way of determining distance ...
HW #5 Answers (Due 9/29)
... make Helium, the protons have to over come the repulsive force between them. This means that they have to be moving extremely fast or their average kinetic energy has to be very large. That means a high temperature. Also, collisions have to be head-on collisions. If not the particles will just scatt ...
... make Helium, the protons have to over come the repulsive force between them. This means that they have to be moving extremely fast or their average kinetic energy has to be very large. That means a high temperature. Also, collisions have to be head-on collisions. If not the particles will just scatt ...
Earth
... hydrogen (about 70%) and helium (about 28%). Carbon, nitrogen and oxygen make up 1.5% and the other 0.5% is made up of small amounts of many other elements such as neon, iron, silicon, magnesium and sulfur. The sun shines because it is burning hydrogen into helium in its extremely hot core. This mea ...
... hydrogen (about 70%) and helium (about 28%). Carbon, nitrogen and oxygen make up 1.5% and the other 0.5% is made up of small amounts of many other elements such as neon, iron, silicon, magnesium and sulfur. The sun shines because it is burning hydrogen into helium in its extremely hot core. This mea ...
Stellar Metamorphosis: The Nearest Star
... Abstract: In stellar metamorphosis humanities’ closest star is the Earth itself. Explanation is provided. In the so-called “established sciences” the closest star to the Earth is the Sun, and the closest star to Earth besides the Sun is Proxima Centauri. This is not complete. According to stellar me ...
... Abstract: In stellar metamorphosis humanities’ closest star is the Earth itself. Explanation is provided. In the so-called “established sciences” the closest star to the Earth is the Sun, and the closest star to Earth besides the Sun is Proxima Centauri. This is not complete. According to stellar me ...