Slide 1
... The Antennae galaxies collided fairly recently, sparking stellar formation. The plot on the right is the result of a computer simulation of this kind of collision. ...
... The Antennae galaxies collided fairly recently, sparking stellar formation. The plot on the right is the result of a computer simulation of this kind of collision. ...
Unit 60 to 79
... Y. What do you conclude from this? a. X is larger cluster than Y b. Y is a larger cluster than X c. X is an older cluster than Y d. Y is an older cluster than X 10) If a white dwarf exceeds its Chandrasekhar limit, it will a. become a nova b. become a type I supernova c. eject a planetary nebula d. ...
... Y. What do you conclude from this? a. X is larger cluster than Y b. Y is a larger cluster than X c. X is an older cluster than Y d. Y is an older cluster than X 10) If a white dwarf exceeds its Chandrasekhar limit, it will a. become a nova b. become a type I supernova c. eject a planetary nebula d. ...
Triggered Star Formation by Massive Stars in Star
... A triggered star formation process has several imprints which can be observationally diagnosed: • The remnant cloud is extended toward, or pointing to, the massive stars. • The young stellar groupings in the region are roughly lined up between the remnant cloud and the luminous star. • Stars closer ...
... A triggered star formation process has several imprints which can be observationally diagnosed: • The remnant cloud is extended toward, or pointing to, the massive stars. • The young stellar groupings in the region are roughly lined up between the remnant cloud and the luminous star. • Stars closer ...
Life Cycle of a Star Notes
... together to form heavier elements such as helium and release energy. If enough matter is left behind, this may be so dense, and its gravitational field so strong that nothing can escape from it, not even light or other forms of electromagnetic radiation. It is then called a black hole. We cannot see ...
... together to form heavier elements such as helium and release energy. If enough matter is left behind, this may be so dense, and its gravitational field so strong that nothing can escape from it, not even light or other forms of electromagnetic radiation. It is then called a black hole. We cannot see ...
Expansion of the Universe
... Time, space and matter all began with the Big Bang. In a fraction of a second, the Universe grew from smaller than a single atom to bigger than a galaxy and it kept on growing at a fantastic rate It is still expanding today After the big bang, the universe expanded quickly (and continues to expa ...
... Time, space and matter all began with the Big Bang. In a fraction of a second, the Universe grew from smaller than a single atom to bigger than a galaxy and it kept on growing at a fantastic rate It is still expanding today After the big bang, the universe expanded quickly (and continues to expa ...
c - Fsusd
... 8) The earliest stage of a star’s “life” is called a ______. a) protostar b) giant star c) quasar d) white dwarf ...
... 8) The earliest stage of a star’s “life” is called a ______. a) protostar b) giant star c) quasar d) white dwarf ...
Birth of Stars
... 5: Stars are a part of the universe, mankind needs them. Stars like Supernovas, (Supernova: A rare explosion of most of the material in a star, causing an extremely bright, short-lived object that emits large amounts of energy) are needed because the oxygen you breathe, carbon in your bones, and hyd ...
... 5: Stars are a part of the universe, mankind needs them. Stars like Supernovas, (Supernova: A rare explosion of most of the material in a star, causing an extremely bright, short-lived object that emits large amounts of energy) are needed because the oxygen you breathe, carbon in your bones, and hyd ...
Stellar Classification Worksheet 2
... Explain how each of the 5 characteristics in the boxes below is used to classify stars. In each box, give 2 examples of stars and their specific characteristics. Use pages 127-129 in the textbook and the examples below to complete the worksheet. ...
... Explain how each of the 5 characteristics in the boxes below is used to classify stars. In each box, give 2 examples of stars and their specific characteristics. Use pages 127-129 in the textbook and the examples below to complete the worksheet. ...
Document
... Galaxy types: Irregular, Spiral and elliptical galaxies and everything in between. ...
... Galaxy types: Irregular, Spiral and elliptical galaxies and everything in between. ...
The Ever Expanding Universe
... 19th century when Friedrich Bessel successfully measured the first absolute distance to a star 11 light years away. Bessel’s technique, based on Greek trigonometry, was known as parallax and involved measuring the tiny angle a star makes when the Earth is 6 months apart as it journeys around the Sun ...
... 19th century when Friedrich Bessel successfully measured the first absolute distance to a star 11 light years away. Bessel’s technique, based on Greek trigonometry, was known as parallax and involved measuring the tiny angle a star makes when the Earth is 6 months apart as it journeys around the Sun ...
B. protostar - University of Maryland Astronomy
... 23. A gigantic outburst of energy and particles occurred on the Sun this morning. Mrs. Deming was excited and told her ASTR 101 class to look for A. a full moon tonight. B. an eclipse. C. a meteor shower if it is clear. D. an aurora if it is clear. E. dangerous cosmic rays. 24. Which of the followi ...
... 23. A gigantic outburst of energy and particles occurred on the Sun this morning. Mrs. Deming was excited and told her ASTR 101 class to look for A. a full moon tonight. B. an eclipse. C. a meteor shower if it is clear. D. an aurora if it is clear. E. dangerous cosmic rays. 24. Which of the followi ...
Our Galaxy, the Milky Way Galaxy
... Super bubbles will grow (and move more ISM) when the O and B stars go supernova Remember, the gas is still moving around randomly! o The ISM is frothy (some parts are thicker/denser than others via randomness) o Diffuse nebula – More DENSE area of ISM surrounded by a less dense area of ISM Cal ...
... Super bubbles will grow (and move more ISM) when the O and B stars go supernova Remember, the gas is still moving around randomly! o The ISM is frothy (some parts are thicker/denser than others via randomness) o Diffuse nebula – More DENSE area of ISM surrounded by a less dense area of ISM Cal ...
Cosmology 2 - schoolphysics
... 16. Describe the structure of our galaxy and state the approximate position of the Sun in the galaxy. 17. Describe the structure of three different types of galaxy. 18. What is Olbers’ paradox and how can it be resolved. 19. What is meant by the Cosmological principle? 20. What is Hubble’s Law? (Ex ...
... 16. Describe the structure of our galaxy and state the approximate position of the Sun in the galaxy. 17. Describe the structure of three different types of galaxy. 18. What is Olbers’ paradox and how can it be resolved. 19. What is meant by the Cosmological principle? 20. What is Hubble’s Law? (Ex ...
1. a) Astronomers use the parallax method to measure
... general how would an astronomer measure the mass of a cluster of galaxies)? Hint: we use almost the same method anytime we measure the masses of astronomical objects. What quantities would an astronomer have to measure to determine the mass of a cluster of galaxies? (Your method should include all o ...
... general how would an astronomer measure the mass of a cluster of galaxies)? Hint: we use almost the same method anytime we measure the masses of astronomical objects. What quantities would an astronomer have to measure to determine the mass of a cluster of galaxies? (Your method should include all o ...
AST 207 Homework 5 Due 14 October 2011
... 2. Life on Deneb. Here you will find out what it means to live near a giant like Deneb. Recall that the luminosity of a star, where T is its temperature and R is its radius. Star ...
... 2. Life on Deneb. Here you will find out what it means to live near a giant like Deneb. Recall that the luminosity of a star, where T is its temperature and R is its radius. Star ...
Lives of stars
... 7. When the sun starts to die, the sun will start to expand. The sun will be larger, hence brighter, but it till be lower temperature. Which letter represents this state of the sun? What do call this type of star? 8. After the dieing process the sun starts, sun will be variable star for short period ...
... 7. When the sun starts to die, the sun will start to expand. The sun will be larger, hence brighter, but it till be lower temperature. Which letter represents this state of the sun? What do call this type of star? 8. After the dieing process the sun starts, sun will be variable star for short period ...
Name
... The Apparent Magnitude Scale The apparent magnitude of stars was first recorded by the Greek astronomer Hipparchus about 160 B.C. Hipparchus grouped stars according to their brightness or magnitude. He called the twenty brightest stars first magnitude stars. Stars half that bright were second magnit ...
... The Apparent Magnitude Scale The apparent magnitude of stars was first recorded by the Greek astronomer Hipparchus about 160 B.C. Hipparchus grouped stars according to their brightness or magnitude. He called the twenty brightest stars first magnitude stars. Stars half that bright were second magnit ...
Lives and Deaths of Stars (middle school)
... • Our life span is ~ 80 years • Human civilization exists ~ 5000 years • Our Sun exists at least 4.6 billion years! ...
... • Our life span is ~ 80 years • Human civilization exists ~ 5000 years • Our Sun exists at least 4.6 billion years! ...
Lecture 11
... Where Do Stars Form? • Stars don’t form uniformly in the galaxy • Stars like to form in the spiral arms of galaxies – We say that the arms appear “blue” while other parts appear “red” ...
... Where Do Stars Form? • Stars don’t form uniformly in the galaxy • Stars like to form in the spiral arms of galaxies – We say that the arms appear “blue” while other parts appear “red” ...
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 ...
Review Packet
... 1. What is the proper name of the H-R Diagram A. Heat-Radiance Diagram B. Hertzsprung-Russell Diagram C. That is the proper name D. Horizontal-Redshift Diagram My corrected answer is B, as the H-R Diagram is named for the two astronomers, Hertzsprung and Russell who were its main contributors. Revie ...
... 1. What is the proper name of the H-R Diagram A. Heat-Radiance Diagram B. Hertzsprung-Russell Diagram C. That is the proper name D. Horizontal-Redshift Diagram My corrected answer is B, as the H-R Diagram is named for the two astronomers, Hertzsprung and Russell who were its main contributors. Revie ...
How Bright is that Star?
... A 1st magnitude star is 100x brighter than a “6th ” Each order of magnitude is therefore 2.15 times brighter than the one below it. Magnitude is now given in decimal form. Deneb now rates a 1.26, and Betelgeuse rates .87. Hipparchus underestimated how bright the brightest were, so now we even use ne ...
... A 1st magnitude star is 100x brighter than a “6th ” Each order of magnitude is therefore 2.15 times brighter than the one below it. Magnitude is now given in decimal form. Deneb now rates a 1.26, and Betelgeuse rates .87. Hipparchus underestimated how bright the brightest were, so now we even use ne ...
Serpens
Serpens (""the Serpent"", Greek Ὄφις) is a constellation of the northern hemisphere. One of the 48 constellations listed by the 2nd-century astronomer Ptolemy, it remains one of the 88 modern constellations defined by the International Astronomical Union. It is unique among the modern constellations in being split into two non-contiguous parts, Serpens Caput (Serpent's Head) to the west and Serpens Cauda (Serpent's Tail) to the east. Between these two halves lies the constellation of Ophiuchus, the ""Serpent-Bearer"". In figurative representations, the body of the serpent is represented as passing behind Ophiuchus between Mu Serpentis in Serpens Caput and Nu Serpentis in Serpens Cauda.The brightest star in Serpens is the red giant star Alpha Serpentis, or Unukalhai, in Serpens Caput, with an apparent magnitude of 2.63. Also located in Serpens Caput are the naked-eye globular cluster Messier 5 and the naked-eye variables R Serpentis and Tau4 Serpentis. Notable extragalactic objects include Seyfert's Sextet, one of the densest galaxy clusters known; Arp 220, the prototypical ultraluminous infrared galaxy; and Hoag's Object, the most famous of the very rare class of galaxies known as ring galaxies.Part of the Milky Way's galactic plane passes through Serpens Cauda, which is therefore rich in galactic deep-sky objects, such as the Eagle Nebula (IC 4703) and its associated star cluster Messier 16. The nebula measures 70 light-years by 50 light-years and contains the Pillars of Creation, three dust clouds that became famous for the image taken by the Hubble Space Telescope. Other striking objects include the Red Square Nebula, one of the few objects in astronomy to take on a square shape; and Westerhout 40, a massive nearby star-forming region consisting of a molecular cloud and an H II region.