Deep Space Mystery Note Form 3
... Type II Type II Binary stars are when there are two stars and they revolve around each other. In these systems supernovas occur also. Stars up to eight times the mass of our sun usually evolve into white dwarfs. A star that is condensed to this size has a very strong gravitational pull. ...
... Type II Type II Binary stars are when there are two stars and they revolve around each other. In these systems supernovas occur also. Stars up to eight times the mass of our sun usually evolve into white dwarfs. A star that is condensed to this size has a very strong gravitational pull. ...
Stars
... • Magnitude (brightness) – A measure of brightness of celestial objects • Smaller values represent brighter objects than larger values ...
... • Magnitude (brightness) – A measure of brightness of celestial objects • Smaller values represent brighter objects than larger values ...
Stellar Evolution
... • We can “weigh” stars that are in binary systems (two stars orbiting each other). Fortunately, most stars fall into this category. ...
... • We can “weigh” stars that are in binary systems (two stars orbiting each other). Fortunately, most stars fall into this category. ...
1117 Discussion Notes
... If most of the mass is located in the bulge, and you look at the total amount of mass within a disk star’s orbit, that total mass will not change much as you examine stars further and further away from the bulge. Your a is getting larger and larger, but the mass is not changing by much, so the only ...
... If most of the mass is located in the bulge, and you look at the total amount of mass within a disk star’s orbit, that total mass will not change much as you examine stars further and further away from the bulge. Your a is getting larger and larger, but the mass is not changing by much, so the only ...
1/2016
... Description: Delta Cephei is the prototype of the Cepheid class of variable stars. With a change in visual magnitude of 3.5 to 4.4, delta Cephei’s entire range of variability can be observed with the unaided eye. Its period of 5.366 days makes it an attractive candidate for anyone anxious to obtain ...
... Description: Delta Cephei is the prototype of the Cepheid class of variable stars. With a change in visual magnitude of 3.5 to 4.4, delta Cephei’s entire range of variability can be observed with the unaided eye. Its period of 5.366 days makes it an attractive candidate for anyone anxious to obtain ...
The Universe and Galaxies - West Jefferson Local Schools
... might be causing accelerated expansion of the universe ...
... might be causing accelerated expansion of the universe ...
Unit E: SPACE EXPLORATION
... • Because light years are measured in human years they tell us how long the light took to get to Earth. • Depending on the objects distance, you are seeing the light from the object as it was that many years ago. Orion nebula – 1350 ly = 1350 years ago Alpha Centauri – 4.37 ly = 4 years 3 months ago ...
... • Because light years are measured in human years they tell us how long the light took to get to Earth. • Depending on the objects distance, you are seeing the light from the object as it was that many years ago. Orion nebula – 1350 ly = 1350 years ago Alpha Centauri – 4.37 ly = 4 years 3 months ago ...
Colour - Magnitude Diagram for M 45
... naked eye form a tight grouping of stars (an asterism) near the even closer Hyades cluster. They are easily visible in the winter sky in the northern hemisphere. In this exercise, you will determine the colour of many cluster members and plot them on a Colour-Magnitude diagram. This is just a type o ...
... naked eye form a tight grouping of stars (an asterism) near the even closer Hyades cluster. They are easily visible in the winter sky in the northern hemisphere. In this exercise, you will determine the colour of many cluster members and plot them on a Colour-Magnitude diagram. This is just a type o ...
Document
... The differences are interpreted due to age – open clusters lie in the disk of the Milky Way and have large range of ages. The Globulars are all ancient, with the oldest tracing the earliest stages of the formation of Milky Way (~ 12 109 yrs) ...
... The differences are interpreted due to age – open clusters lie in the disk of the Milky Way and have large range of ages. The Globulars are all ancient, with the oldest tracing the earliest stages of the formation of Milky Way (~ 12 109 yrs) ...
MSci Astrophysics 210PHY412
... The differences are interpreted due to age – open clusters lie in the disk of the Milky Way and have large range of ages. The Globulars are all ancient, with the oldest tracing the earliest stages of the formation of Milky Way (~ 12 109 yrs) ...
... The differences are interpreted due to age – open clusters lie in the disk of the Milky Way and have large range of ages. The Globulars are all ancient, with the oldest tracing the earliest stages of the formation of Milky Way (~ 12 109 yrs) ...
Solutions2
... estimate its apparent magnitude when it’s on the far side of the Sun from us (don’t worry about the Sun being in the way). Assume its distance is 1 AU (our average distance to the Sun) plus 5.2 AU (Jupiter’s average distance to the Sun). So Jupiter will be 6.2/4.0=1.55 times as far away. By the inve ...
... estimate its apparent magnitude when it’s on the far side of the Sun from us (don’t worry about the Sun being in the way). Assume its distance is 1 AU (our average distance to the Sun) plus 5.2 AU (Jupiter’s average distance to the Sun). So Jupiter will be 6.2/4.0=1.55 times as far away. By the inve ...
Review Questions for Chp 2
... c. 186,000 miles/second d. 9.46 trillion km/second 43. What is the function of a telescope? 44. Identify two types of telescopes that must be placed in outer space. 45. What size wavelength of light creates the most damage to living things and what type of electromagnetic radiation is it? 46. Define ...
... c. 186,000 miles/second d. 9.46 trillion km/second 43. What is the function of a telescope? 44. Identify two types of telescopes that must be placed in outer space. 45. What size wavelength of light creates the most damage to living things and what type of electromagnetic radiation is it? 46. Define ...
Where do you find yourself now??
... The map shows several stars visible with the naked eye which are located deep within the Orion arm. The most notable group of stars here are main stars in the constellation of Orion -from which the spiral arm gets its name. All of these stars are bright giant and supergiant -stars, thousands of time ...
... The map shows several stars visible with the naked eye which are located deep within the Orion arm. The most notable group of stars here are main stars in the constellation of Orion -from which the spiral arm gets its name. All of these stars are bright giant and supergiant -stars, thousands of time ...
Solutions 5
... identified a mid-class M star as one which has a surface temperature of 4000 K and a luminosity of 10-2 Lu. I then looked at Figure 17-21, the mass-luminosity relationship and identified this star as having a mass of 0.1 Mu. Following the reasoning given in lecture and demonstrated in Box 21-2 I ide ...
... identified a mid-class M star as one which has a surface temperature of 4000 K and a luminosity of 10-2 Lu. I then looked at Figure 17-21, the mass-luminosity relationship and identified this star as having a mass of 0.1 Mu. Following the reasoning given in lecture and demonstrated in Box 21-2 I ide ...
Astronomy Practice Test
... B. over the North Pole C. in the larger constellations D. inside other galaxies 10. Why does the air temperature rise in the summer? A. We are closer to the sun. B. The air becomes thicker and more dense. C. The sun’s rays are more direct and days are longer. D. The ratio of the hours of daylight to ...
... B. over the North Pole C. in the larger constellations D. inside other galaxies 10. Why does the air temperature rise in the summer? A. We are closer to the sun. B. The air becomes thicker and more dense. C. The sun’s rays are more direct and days are longer. D. The ratio of the hours of daylight to ...
The Universe and Galaxies - West Jefferson Local Schools
... might be causing accelerated expansion of the universe ...
... might be causing accelerated expansion of the universe ...
Chapter 16 Lesson 2: What is a Star
... photosphere and travels across the Sun indicating that the Sun rotates slower at its poles than it does at its equator. IV. Solar Eruptions a. Ribbons of gas called prominence leap out of the chromosphere that can also erupt like a volcano. 1. This is a solar flare which can last for minutes or hour ...
... photosphere and travels across the Sun indicating that the Sun rotates slower at its poles than it does at its equator. IV. Solar Eruptions a. Ribbons of gas called prominence leap out of the chromosphere that can also erupt like a volcano. 1. This is a solar flare which can last for minutes or hour ...
May 2009 Tz 2
... Observations of the night sky indicate that there are many regions of the universe that do not contain any stars. ...
... Observations of the night sky indicate that there are many regions of the universe that do not contain any stars. ...
Astronomy
... Big Bang Theory: the tremendously powerful explosion of an incredibly dense mass about 15-20 billion years ago that produced the expanding universe that exists today. Celestial object: something in space, such as a star or planet. Constellation: stars that appear to be grouped in patterns forming th ...
... Big Bang Theory: the tremendously powerful explosion of an incredibly dense mass about 15-20 billion years ago that produced the expanding universe that exists today. Celestial object: something in space, such as a star or planet. Constellation: stars that appear to be grouped in patterns forming th ...
Properties of Supernovae
... Supernovae are rare events, occurring only once or twice per century in a typical galaxy. There have been just six supernovae seen in the Milky Way in recorded history, with the most recent occurring in 1604, just before the advent of telescopes. The perceptive reader will notice that this rate is m ...
... Supernovae are rare events, occurring only once or twice per century in a typical galaxy. There have been just six supernovae seen in the Milky Way in recorded history, with the most recent occurring in 1604, just before the advent of telescopes. The perceptive reader will notice that this rate is m ...
The Hertzsprung – Russell Diagram Star Data Table
... Danish astronomer Ejnar Hertzsprung and American astronomer Henry Russell discovered a relationship between the brightness of a star and the surface temperature of a star. The graph of a star’s absolute magnitude versus its temperature is called an ...
... Danish astronomer Ejnar Hertzsprung and American astronomer Henry Russell discovered a relationship between the brightness of a star and the surface temperature of a star. The graph of a star’s absolute magnitude versus its temperature is called an ...
Expanding Universe
... distance to a galaxy and its recessional velocity as determined by the red shift. It states that the velocity (v) of a galaxy moving away from Earth is proportional to the galaxy's distance (d) from Earth. As distance increases, velocity also increases. The constant value that relates velocity and d ...
... distance to a galaxy and its recessional velocity as determined by the red shift. It states that the velocity (v) of a galaxy moving away from Earth is proportional to the galaxy's distance (d) from Earth. As distance increases, velocity also increases. The constant value that relates velocity and d ...
Astrophysics
... point mass. Point mass singularity, and this breaks the laws of Physics. The strength of gravity inside a black hole is so massive that nothing can escape, not even light (which is why they are not visible). The perimeter at which light can/cannot escape is called the Event Horizon, but far away f ...
... point mass. Point mass singularity, and this breaks the laws of Physics. The strength of gravity inside a black hole is so massive that nothing can escape, not even light (which is why they are not visible). The perimeter at which light can/cannot escape is called the Event Horizon, but far away f ...
Cosmic distance ladder
The cosmic distance ladder (also known as the extragalactic distance scale) is the succession of methods by which astronomers determine the distances to celestial objects. A real direct distance measurement of an astronomical object is possible only for those objects that are ""close enough"" (within about a thousand parsecs) to Earth. The techniques for determining distances to more distant objects are all based on various measured correlations between methods that work at close distances and methods that work at larger distances. Several methods rely on a standard candle, which is an astronomical object that has a known luminosity.The ladder analogy arises because no one technique can measure distances at all ranges encountered in astronomy. Instead, one method can be used to measure nearby distances, a second can be used to measure nearby to intermediate distances, and so on. Each rung of the ladder provides information that can be used to determine the distances at the next higher rung.