Search for Life in the Universe
... – Planets around neutron stars discovered previously – Spectroscopy (>100 cases): detect Doppler shift of stellar motion around center of mass – Astrometry (1 case): detect angular motion ...
... – Planets around neutron stars discovered previously – Spectroscopy (>100 cases): detect Doppler shift of stellar motion around center of mass – Astrometry (1 case): detect angular motion ...
Wrongway Planets_Do Gymnastics
... Cartwheels aren't just f or gymnasts anymore — a gang of distant, unusual planets, a team of astronomers say, may have done giant, deep-space cartwheels to get into place. And those cartwheels are making scientists think again about what they know about planet formation. ...
... Cartwheels aren't just f or gymnasts anymore — a gang of distant, unusual planets, a team of astronomers say, may have done giant, deep-space cartwheels to get into place. And those cartwheels are making scientists think again about what they know about planet formation. ...
Document
... • We define our age by trips around the Sun. • How many trips of Sun around Milky Way? R = 8.5 kpc V = 220km/s P = 2.5x108 yrs ...
... • We define our age by trips around the Sun. • How many trips of Sun around Milky Way? R = 8.5 kpc V = 220km/s P = 2.5x108 yrs ...
Measuring the Masses of Galaxies in the Sloan Digital Sky Survey
... the redshift is measured from the observed positions of atomic lines in the spectra of galaxies and quasars for example, the red line of hydrogen (Hα) has a wavelength of 6.563 × 10-5 cm, 6563 Ångstroms, 656.3 nm suppose it were observed at 6603 Ångstroms (1 + z) = 6603 / 6563 = 1.0061 all other li ...
... the redshift is measured from the observed positions of atomic lines in the spectra of galaxies and quasars for example, the red line of hydrogen (Hα) has a wavelength of 6.563 × 10-5 cm, 6563 Ångstroms, 656.3 nm suppose it were observed at 6603 Ångstroms (1 + z) = 6603 / 6563 = 1.0061 all other li ...
Physics - Content by Unit
... theorem relates the velocity of orbiting objects to the amount of gravitational force acting on them. Isaac Newton's theory tells us that gravitational force is proportional to the masses of the objects involved, so Zwicky was able to calculate the total mass of the Coma Cluster from his measured ga ...
... theorem relates the velocity of orbiting objects to the amount of gravitational force acting on them. Isaac Newton's theory tells us that gravitational force is proportional to the masses of the objects involved, so Zwicky was able to calculate the total mass of the Coma Cluster from his measured ga ...
PDF version
... sunshine each day – is actually a star? Stars are made out of something called plasma, and are held together by their own gravity. A star is created in an interstellar cloud, where lots of dust and gas are floating in space. It can take up to one million years for a star to be born, but once it take ...
... sunshine each day – is actually a star? Stars are made out of something called plasma, and are held together by their own gravity. A star is created in an interstellar cloud, where lots of dust and gas are floating in space. It can take up to one million years for a star to be born, but once it take ...
Study Guide for the Final Astronomy Exam
... i) The apparent motion of the Sun on daily and annual time scales (Unit 6 & 7) ii) Multiple Choice and Label the Diagram questions on the Celestial Sphere model (See Unit 5) C) Multiple choice questions on the apparent motion of the stars similar to prior exam questions 2) Unit 11: Apparent Motion o ...
... i) The apparent motion of the Sun on daily and annual time scales (Unit 6 & 7) ii) Multiple Choice and Label the Diagram questions on the Celestial Sphere model (See Unit 5) C) Multiple choice questions on the apparent motion of the stars similar to prior exam questions 2) Unit 11: Apparent Motion o ...
STAAR Review – Week Ten
... 12. In the center of the Milky Way is a large bulge of stars. Within this bulge lies a black hole. The Sun is located – a. outside of the Milky Way. b. in the large bulge of stars near the center of the Milky Way. c. in the black hole in the center of the Milky Way. d. near the edge of the Milky Way ...
... 12. In the center of the Milky Way is a large bulge of stars. Within this bulge lies a black hole. The Sun is located – a. outside of the Milky Way. b. in the large bulge of stars near the center of the Milky Way. c. in the black hole in the center of the Milky Way. d. near the edge of the Milky Way ...
September 2015 - Hermanus Astronomy
... Observatory in Chile. Supporting observations were made by two orbiting space telescopes operated by NASA, GALEX and WISE, and another belonging to the European Space Agency, Herschel. The research is part of the Galaxy And Mass Assembly (GAMA) project, the largest multi-wavelength survey ever put t ...
... Observatory in Chile. Supporting observations were made by two orbiting space telescopes operated by NASA, GALEX and WISE, and another belonging to the European Space Agency, Herschel. The research is part of the Galaxy And Mass Assembly (GAMA) project, the largest multi-wavelength survey ever put t ...
Chandra`s X-ray vision seeks out black holes
... weather during 1999–2000. The maps were first presented at the American Geophysical Union meeting in Boston by Andrew Ingersoll, professor of planetary science at the California Institute of Technology. The maps confirm that 1999 was a low dust year on Mars. Countless dust devils and hundreds of loc ...
... weather during 1999–2000. The maps were first presented at the American Geophysical Union meeting in Boston by Andrew Ingersoll, professor of planetary science at the California Institute of Technology. The maps confirm that 1999 was a low dust year on Mars. Countless dust devils and hundreds of loc ...
November 2014 - Hermanus Astronomy
... also!” said Marion Neveu-VanMalle from the Geneva Observatory. Hot Jupiter planets are much closer to their stars than our own Jupiter, with a ‘year’ lasting only a few days. They are rare, so it would be unlikely to find two hot Jupiters in the same star system by chance. Perhaps WASP-94 has just t ...
... also!” said Marion Neveu-VanMalle from the Geneva Observatory. Hot Jupiter planets are much closer to their stars than our own Jupiter, with a ‘year’ lasting only a few days. They are rare, so it would be unlikely to find two hot Jupiters in the same star system by chance. Perhaps WASP-94 has just t ...
Ch 3 Sec 1 Tools of modern astronomy
... wobble, as the 2 stars pull on each other 2. Planets have been found around other stars a) Same techniques as used for binary star systems b) Means that can’t find planets as small as Earth – ones found so far are at least 1/2 the size of Jupiter ...
... wobble, as the 2 stars pull on each other 2. Planets have been found around other stars a) Same techniques as used for binary star systems b) Means that can’t find planets as small as Earth – ones found so far are at least 1/2 the size of Jupiter ...
The Mass Assembly of Galaxies
... it is still not clear whether rotation of z=2 galaxies is due to mergers or to disks. The case of BzK-15594 observed with SINFONI in AO mode indicates the rapid formation of rotating stellar disk possibly followed by the formation of a Bulge from disk instabilities. • The evolution of the Tully-Fish ...
... it is still not clear whether rotation of z=2 galaxies is due to mergers or to disks. The case of BzK-15594 observed with SINFONI in AO mode indicates the rapid formation of rotating stellar disk possibly followed by the formation of a Bulge from disk instabilities. • The evolution of the Tully-Fish ...
How to Become a Planet Hunter-Careers in
... An interferometer combines the light from two or more small telescopes (Mersenne) to yield the angular resolution of a much larger telescope. Interferometer Resolution Interferometer ...
... An interferometer combines the light from two or more small telescopes (Mersenne) to yield the angular resolution of a much larger telescope. Interferometer Resolution Interferometer ...
Powerpoint file
... parsecs Jupiter: ~10–9 separation = 0.5 arcseconds for a star at 10 parsecs 1 AU = 1 arcsec separation at 1 parsec ...
... parsecs Jupiter: ~10–9 separation = 0.5 arcseconds for a star at 10 parsecs 1 AU = 1 arcsec separation at 1 parsec ...
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 ...
Planet Finding
... light coming from the Sun and other stars. But Brown soon realized it could be used for planet hunting as well, and he began his search, just as others were launching similar quests. At that time, no planets in other solar systems had ever been detected—but scientists such as Brown were certain of t ...
... light coming from the Sun and other stars. But Brown soon realized it could be used for planet hunting as well, and he began his search, just as others were launching similar quests. At that time, no planets in other solar systems had ever been detected—but scientists such as Brown were certain of t ...
SWFAS Apr 16 Newsletter - Southwest Florida Astronomical Society
... training director of the Cosmonaut Training Centre outside Moscow, later named after him. Gagarin died in 1968 when the MiG-15 training jet he was piloting crashed. April 14, 1629: Christiaan Huygens born. Christiaan Huygens, (14 April 1629 – 8 July 1695) was a prominent Dutch mathematician and sci ...
... training director of the Cosmonaut Training Centre outside Moscow, later named after him. Gagarin died in 1968 when the MiG-15 training jet he was piloting crashed. April 14, 1629: Christiaan Huygens born. Christiaan Huygens, (14 April 1629 – 8 July 1695) was a prominent Dutch mathematician and sci ...
galaxy
... • Supergiant Large star with high mass that become even hotter and expanding even more It is 100’s of times hotter and more luminous than a red giant ...
... • Supergiant Large star with high mass that become even hotter and expanding even more It is 100’s of times hotter and more luminous than a red giant ...
Stream: sciences. E THIRD TERM ENGLISH EXAMINATION PART
... Our solar system consists of an average star we call the sun, the planets Mercury, Venus, Earth, Mars, Jupiter, Uranus, Neptune and Pluto. It includes also the satellites of the planets; numerous comets, asteroids, and meteoroids. The moon is the satellite rotating around the earth and the closest b ...
... Our solar system consists of an average star we call the sun, the planets Mercury, Venus, Earth, Mars, Jupiter, Uranus, Neptune and Pluto. It includes also the satellites of the planets; numerous comets, asteroids, and meteoroids. The moon is the satellite rotating around the earth and the closest b ...
August 2015 - Shasta Astronomy Club
... — cosmic realms where the night sky would appear ablaze with stars from the surface of a planet. The students, Richard Vo and Michael Sandoval, discovered the so-called ultracompact dwarf galaxies while sifting through opensource archives of astronomy observations by several different observatories ...
... — cosmic realms where the night sky would appear ablaze with stars from the surface of a planet. The students, Richard Vo and Michael Sandoval, discovered the so-called ultracompact dwarf galaxies while sifting through opensource archives of astronomy observations by several different observatories ...
Research Powerpoint - University of Maryland: Department of
... Prof. Lee Mundy studies the formation of stars and planets in our Galaxy. This picture is from a Spitzer Space Telescope survey searching for young and newlyforming stars. ...
... Prof. Lee Mundy studies the formation of stars and planets in our Galaxy. This picture is from a Spitzer Space Telescope survey searching for young and newlyforming stars. ...
What have we learned?
... – Some of the differences between galaxies may arise from the conditions in their protogalactic clouds. – Collisions can play a major role because they can transform two spiral galaxies into an elliptical galaxy. ...
... – Some of the differences between galaxies may arise from the conditions in their protogalactic clouds. – Collisions can play a major role because they can transform two spiral galaxies into an elliptical galaxy. ...
Irregular Galaxies
... • Huge clouds of dust, gas, and the new elements explode into space. • This forms a new nebula. • Once a star supernovas, the core that remains of it will become either a neutron star or a black hole. ...
... • Huge clouds of dust, gas, and the new elements explode into space. • This forms a new nebula. • Once a star supernovas, the core that remains of it will become either a neutron star or a black hole. ...
Shashanka R. Gurumath1, Hiremath KM2, and
... Humans' quest is to understand how the universe is originated and has been evolved; how the stars, planets and finally life is emerged on the Earth? Solar system still not revealed most of its mysteries despite of many theories were proposed on its formation and evolution. In addition, humans’ are e ...
... Humans' quest is to understand how the universe is originated and has been evolved; how the stars, planets and finally life is emerged on the Earth? Solar system still not revealed most of its mysteries despite of many theories were proposed on its formation and evolution. In addition, humans’ are e ...
Space Interferometry Mission
The Space Interferometry Mission, or SIM, also known as SIM Lite (formerly known as SIM PlanetQuest), was a planned space telescope developed by the U.S. National Aeronautics and Space Administration (NASA), in conjunction with contractor Northrop Grumman. One of the main goals of the mission was the hunt for Earth-sized planets orbiting in the habitable zones of nearby stars other than the Sun. SIM was postponed several times and finally cancelled in 2010.In addition to hunting for extrasolar planets, SIM would have helped astronomers construct a map of the Milky Way galaxy. Other important tasks would have included collecting data to help pinpoint stellar masses for specific types of stars, assisting in the determination of the spatial distribution of dark matter in the Milky Way and in the Local Group of galaxies and using the gravitational microlensing effect to measure the mass of stars.The spacecraft would have used optical interferometry to accomplish these and other scientific goals. This technique collects light with multiple mirrors (in SIM's case, two) which is combined to make an interference pattern which can be very precisely measured.The initial contracts for SIM Lite were awarded in 1998, totaling US$200 million. Work on the SIM project required scientists and engineers to move through eight specific new technology milestones, and by November 2006, all eight had been completed.SIM Lite was originally scheduled for a 2005 launch, aboard an Evolved Expendable Launch Vehicle (EELV). As a result of continued budget cuts, the launch date has been pushed back at least five times. NASA has set a preliminary launch date for 2015 and U.S. federal budget documents confirm that a launch date is expected ""no earlier"" than 2015. The budget cuts to SIM Lite are expected to continue through FY 2010. As of February 2007, many of the engineers working on the SIM program had moved on to other areas and projects, and NASA directed the project to allocate its resources toward engineering risk reduction. However, the preliminary budget for NASA for 2008 included zero dollars for SIM.In December 2007, the Congress restored funding for fiscal year 2008 as part of an omnibus appropriations bill which the President later signed. At the same time the Congress directed NASA to move the mission forward to the development phase. In 2009 the project continued its risk reduction work while waiting for the findings and recommendations of the Astronomy and Astrophysics Decadal Survey, Astro2010, performed by the National Academy of Sciences, which would determine the project's future.On 13 August 2010, the Astro2010 Decadal Report was released and did not recommend that NASA continue the development of the SIM Lite Astrometric Observatory. This prompted NASA Astronomy and Physics Director, Jon Morse, to issue a letter on 24 September 2010 to the SIM Lite project manager, informing him that NASA was discontinuing its sponsorship of the SIM Lite mission and directing the project to discontinue Phase B activities immediately or as soon as practical. Accordingly, all SIM Lite activities were closed down by the end of calendar year 2010.