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... Aside from temperature (color) and luminosity (absolute magnitude), what other physical parameters are needed to characterize a star? • Chemical composition • Mass • Radius • Age These parameters can be measured directly using: • nearby/bright stars, (spectrum = composition) • binary stars, (binary ...
... Aside from temperature (color) and luminosity (absolute magnitude), what other physical parameters are needed to characterize a star? • Chemical composition • Mass • Radius • Age These parameters can be measured directly using: • nearby/bright stars, (spectrum = composition) • binary stars, (binary ...
Planets - TeachingEnglish
... Are there other planets that support life? That’s exactly what the Kepler mission hopes to discover. NASA launched the Kepler space telescope, designed to find habitable planets, in 2009. So far it has discovered five new Earth-sized planets beyond our solar system. These planets are hotter than the ...
... Are there other planets that support life? That’s exactly what the Kepler mission hopes to discover. NASA launched the Kepler space telescope, designed to find habitable planets, in 2009. So far it has discovered five new Earth-sized planets beyond our solar system. These planets are hotter than the ...
Take Home #2 Complete the following on your own paper. Do not
... Studying these clusters allows scientists to observe stars that are similar in age, composition and distance but different in size. It also provides information that scientists would not be able to observe about one star because of the length of its life cycle. What does this information explain abo ...
... Studying these clusters allows scientists to observe stars that are similar in age, composition and distance but different in size. It also provides information that scientists would not be able to observe about one star because of the length of its life cycle. What does this information explain abo ...
this PDF file
... (ii) Polarimetry is also a very useful diagnostic tool for the planet atmospheres, providing unique information on their structure and the scattering properties of particles in the upper atmosphere. A very important aspect of polarimetric studies of the planets of our solar system is that they repre ...
... (ii) Polarimetry is also a very useful diagnostic tool for the planet atmospheres, providing unique information on their structure and the scattering properties of particles in the upper atmosphere. A very important aspect of polarimetric studies of the planets of our solar system is that they repre ...
Relative sizes of astronomical objects
... largest known star. It is between 1,800–2,100 times the diameter of the Sun. Placed at the center of our solar system, its diameter would extend out slightly beyond the orbit of Saturn. ...
... largest known star. It is between 1,800–2,100 times the diameter of the Sun. Placed at the center of our solar system, its diameter would extend out slightly beyond the orbit of Saturn. ...
Objective 10 Study Guide
... How often do large objects that could cause global catastrophe strike Earth? On average, every few hundred thousand years. ...
... How often do large objects that could cause global catastrophe strike Earth? On average, every few hundred thousand years. ...
Semester #1 – GeoScience Review Guide – Final Exam Scale
... 56. During the life cycle of a Massive star, what stage will it enter after it leaves the main sequence stage? 57. Spectroscope Lab - What type of spectrum was given off by the three gas tubes? (you saw mostly black with a few wavelengths of color) 58. The weak outermost layer of the sun is called t ...
... 56. During the life cycle of a Massive star, what stage will it enter after it leaves the main sequence stage? 57. Spectroscope Lab - What type of spectrum was given off by the three gas tubes? (you saw mostly black with a few wavelengths of color) 58. The weak outermost layer of the sun is called t ...
Exploring the Universe
... the dim, cool stars on the lower right ii. Example: The Sun lies in the main sequence ...
... the dim, cool stars on the lower right ii. Example: The Sun lies in the main sequence ...
Lecture 1 - University of Maryland Astronomy
... less certain about the virus. However, as we’ll discuss when we go over possible origins of life, there are reasons to think that some clays have properties similar to primitive life, and snowflakes also fit some of the definitions (although I’d have a tough time assigning life to a snowflake). Wha ...
... less certain about the virus. However, as we’ll discuss when we go over possible origins of life, there are reasons to think that some clays have properties similar to primitive life, and snowflakes also fit some of the definitions (although I’d have a tough time assigning life to a snowflake). Wha ...
Chapter 1 Vocabulary – The Puzzled of Matter
... Absorption Lines – a set of dark lines that show frequencies at which light has been absorbed from a star’s bright spectrum H-R Diagram – the Hertxsprung-Russell diagram, a graph of the surface temperature versus absolute brightness of a sample of stars Star Life Cycle Nebula – a large cloud of gas ...
... Absorption Lines – a set of dark lines that show frequencies at which light has been absorbed from a star’s bright spectrum H-R Diagram – the Hertxsprung-Russell diagram, a graph of the surface temperature versus absolute brightness of a sample of stars Star Life Cycle Nebula – a large cloud of gas ...
Kepler`s Laws
... • The square of a planet’s period is proportional to the cube of the length of the orbit’s semimajor axis. – T2/a3 = constant – The constant is the same for all objects orbiting the Sun direction of orbit semimajor axis: a ...
... • The square of a planet’s period is proportional to the cube of the length of the orbit’s semimajor axis. – T2/a3 = constant – The constant is the same for all objects orbiting the Sun direction of orbit semimajor axis: a ...
JPL Small-Body Database Browser
... classifications (K, M classes) don’t emit much at the blue end of the spectrum (and tend to show many more absorption lines) while the starts at the hotter end of the classifications (O, B, A classes) don’t emit much at the red end of the spectrum – Why? ...
... classifications (K, M classes) don’t emit much at the blue end of the spectrum (and tend to show many more absorption lines) while the starts at the hotter end of the classifications (O, B, A classes) don’t emit much at the red end of the spectrum – Why? ...
The Life of a Star
... about 10 billion to 100 billion years. (not bright at all) Giant stars produce energy for a few million years. (5000x’s as bright as the Sun) Supergiant stars produce energy for about a million years. (extremely bright) Giant and Supergiant stars use their energy faster. This is why they are brighte ...
... about 10 billion to 100 billion years. (not bright at all) Giant stars produce energy for a few million years. (5000x’s as bright as the Sun) Supergiant stars produce energy for about a million years. (extremely bright) Giant and Supergiant stars use their energy faster. This is why they are brighte ...
Exercise 7
... Introduction: By looking at an apparently flat background of stars at night or at a star chart printed on a page, we often forget about the three-dimensional nature of the universe. In this exercise, you will construct (with welding rods and Styrofoam balls) a model of nearby space including many of ...
... Introduction: By looking at an apparently flat background of stars at night or at a star chart printed on a page, we often forget about the three-dimensional nature of the universe. In this exercise, you will construct (with welding rods and Styrofoam balls) a model of nearby space including many of ...
The Life Cycle of a Star Webquest:
... 3. How long can a star stay a protostar? ____________________________ 4. Explain nuclear fusion. ____________________________________________________________ ______________________________________________________________________________________ 5. How long does a star live before it begins to die? _ ...
... 3. How long can a star stay a protostar? ____________________________ 4. Explain nuclear fusion. ____________________________________________________________ ______________________________________________________________________________________ 5. How long does a star live before it begins to die? _ ...
25 Study Guide
... • Binary stars can be used to determine stellar mass. • The nearest stars have the largest parallax angles, while those of distant stars are too small to measure. • Three factors control the apparent brightness of a star as seen from Earth: how big it is, how hot it is, and how far away it is. • A H ...
... • Binary stars can be used to determine stellar mass. • The nearest stars have the largest parallax angles, while those of distant stars are too small to measure. • Three factors control the apparent brightness of a star as seen from Earth: how big it is, how hot it is, and how far away it is. • A H ...
PSC100 Transparant Replacement for Chapter 8 Measurement of
... astronomers spend their entire lives working on this. Even though it is critical to understanding many of the other properties of stars, we can only determine the distance to far away objects in space to about 50% accuracy. ...
... astronomers spend their entire lives working on this. Even though it is critical to understanding many of the other properties of stars, we can only determine the distance to far away objects in space to about 50% accuracy. ...
PH109 Exploring the Universe, Test 3, Fall 2001 Please indicate the
... 33. A measurement of the parallax of a star allows us directly to determine the star's a) rotation rate, b) temperature, c) distance, d) age 34. The stars located in the lower left corner of the HR diagram are a) white dwarfs, b) main sequence stars, c) giants, d) supergiants 35. The four hydrogen n ...
... 33. A measurement of the parallax of a star allows us directly to determine the star's a) rotation rate, b) temperature, c) distance, d) age 34. The stars located in the lower left corner of the HR diagram are a) white dwarfs, b) main sequence stars, c) giants, d) supergiants 35. The four hydrogen n ...
About the Universe The Universe is everything that exists, including
... pulled by gravity, to form gigantic, spinning balls. As the mass falls together it gets hot. A star is formed when it is hot enough for the hydrogen nuclei to fuse together to make helium. This nuclear fusion process releases energy, which keeps the core of the star hot. These young stars shine, mak ...
... pulled by gravity, to form gigantic, spinning balls. As the mass falls together it gets hot. A star is formed when it is hot enough for the hydrogen nuclei to fuse together to make helium. This nuclear fusion process releases energy, which keeps the core of the star hot. These young stars shine, mak ...
Astronomy 1 Study Guide Key 16
... 7. A galaxy is a collection of stars. Our galaxy is called the Milky Way. 8. It has many solar systems with in its arms. At the center of our spiral galaxy is a black hole, so our galaxy is also called a quasar. Stars Be able to read an H-R diagram. ...
... 7. A galaxy is a collection of stars. Our galaxy is called the Milky Way. 8. It has many solar systems with in its arms. At the center of our spiral galaxy is a black hole, so our galaxy is also called a quasar. Stars Be able to read an H-R diagram. ...