Hubble constant - PowerPoint PPT Presentation
Measuring the Hubble Constant
Measuring the Hubble Constant. The Scale of the Universe I: The Solar System. Pluto is 5.913 billion km (39.53 AU) from the Sun. The Oort cloud extends much further than this: out to around 100,000 AU or about 2 ly . The next closest star, Alpha Centauri, is 4.2ly away. 1ly=9.46 x 10 12 km.
By Albert_Lan
ASTR 1102-002 2008 Fall Semester
ASTR 1102-002 2008 Fall Semester. Joel E. Tohline, Alumni Professor Office: 247 Nicholson Hall [Slides from Lecture21]. Chapter 24 : Galaxies and Chapter 26: Cosmology. Individual Galaxies. Location in Space Coordinate (angular) position on the sky Distance from Earth
By alta
The Calán / Tololo Supernova Survey
The Calán / Tololo Supernova Survey. Mark M. Phillips Carnegie Observatories. Type Ia Supernovae ( SNe Ia ) as Cosmological Standard Candles. Since the 1960s, the light curves of SNe were known to be remarkably homogenous.
By erica
The astro -ph “Reader’s Digest”
Astrobites. The astro -ph “Reader’s Digest”. astrobites.org. Christopher M. Faesi (Harvard Univ.) on behalf of the Astrobites collaboration AAS 222 nd Meeting Indianapolis, IN June 4, 2013.
By lam
Chapter 26 Cosmology
Chapter 26 Cosmology. Units of Chapter 26. 26.1 The Universe on the Largest Scales 26.2 The Expanding Universe 26.3 The Fate of the Cosmos 26.4 The Geometry of Space Curved Space 26.5 Will the Universe Expand Forever? Einstein and the Cosmological Constant.
By corin
Physics 133: Extragalactic Astronomy and Cosmology
Physics 133: Extragalactic Astronomy and Cosmology. Lecture 9; February 10 2014. Previously:. Measuring kinematics of the universe determines cosmological parameters. Proper distance depends on redshift via the Hubble constant, to first order
By ziarre
03/000
Australian Government Geoscience Australia. Cosmologic astrometry. Yonsei University, Seoul 1 8 October 2010. 03/000. Geoscience Australia. 18 October 2010. The concept. . . B. B = 10000 km , = 0.03 cos sec. Geoscience Australia. 18 October 2010.
By moswen
Cosmology
Cosmology. Cosmology- the study of the origin, present, and future of the universe. http://www.damtp.cam.ac.uk/user/gr/public/bb_cosmo.html. Einstein and Gravity.
By baxter
Dark Energy and the Hubble Constant
Dark Energy and the Hubble Constant. Jim Condon. What is dark energy (DE)? How does an accurate ( < 3%) local measurement of the Hubble constant H 0 plus CMB data constrain DE? How can astrometry determine H 0 ? Bonus: accurate SMBH masses The Megamaser Cosmology Project
By ovid
ABSTRACT:
Infrared Studies of Type Ia Supernovae. M. Verdugo O. (PUC), K. Krisciunas (CTIO/OCIW), N. B. Suntzeff (CTIO), M. M. Phillips (OCIW), P. Candia (CTIO). ABSTRACT:
By junior
How Do You Make a Universe?
How Do You Make a Universe?. Geary Albright Saturday Morning Physics March 3, 2012. The history of the Universe can be summed up like this: Hydrogen is a light, odorless, colorless gas, that if given enough time, turns into people.
By etenia
Chapter 18 Our Expanding Universe
Chapter 18 Our Expanding Universe. Chapter 18 makes the “grand leap” to the universe as a whole, and introduces ideas about other galaxies that are less than a century old. The existence of other galaxies of stars was debated without resolution in 1920, but is now common fact.
By lilika
The Accelerating Universe
The Accelerating Universe. Megan Donahue Michigan State University. The Accelerating Universe. What is the evidence that the Universe is not only expanding, but accelerating? What is dark energy? What does an accelerating Universe imply?. Edwin Hubble (1889-1953).
By fawzi
Expansion of the Universe, Ch. 26, 52
Expansion of the Universe, Ch. 26, 52. Probably the most profound discovery of all! But first we need to consider how we could tell if the Spiral Nebulae (now let’s call them galaxies) are moving.
By timothy-terry
ASTR 1102-002 2008 Fall Semester
ASTR 1102-002 2008 Fall Semester. Joel E. Tohline, Alumni Professor Office: 247 Nicholson Hall [Slides from Lecture21]. Chapter 24 : Galaxies and Chapter 26: Cosmology. Individual Galaxies. Location in Space Coordinate (angular) position on the sky Distance from Earth
By teegan-ayala
The Curvature of Space
The Curvature of Space. The Isotropic and Homogeneous Universe. What does curved space look like?. The Expansion of the Universe. The Doppler Effect. Galaxy Spectra are Redshifted. Edwin Hubble (1889-1953). Hubble Diagram (1929). V = H r H ~ 500 km/s / Mpc (first measurement!).
By lana-hoover
P 7 20 Questions
P 7 20 Questions. Traffic Light Quiz. Rules. Everyone should reveal their answer at the same time Count down: 3, 2, 1, show!. 1. The parallax angle of a star is. twice the angle moved against the background of distant stars in 6 months
By guy-shaw
Optical Spectrum of a Galaxy
Optical Spectrum of a Galaxy. H a. Recession velocity = 14387 km / s z = 0.0479. Flux. H b. [O III]. Vesto Slipher. Redshifted Spectra. Edwin Hubble. The Original Hubble Law. Modern-Day Hubble Law. Today our best value for the Hubble constant is 70 +/- 5 km / s / Mpc.
By emma-chambers
Expansion of the Universe
Expansion of the Universe. Alexandra Higareda DeMaris Wilson. Introduction. Albert Einstein's General Theory of Relativity "the greatest blunder of my life" Enter Hubble. Expansion of the Universe
By victor-moody
Tools We Will Need on our Journey through the Universe
Tools We Will Need on our Journey through the Universe. Don’t Panic… but it IS physics and math. Quick Review of Scientific Notation. Powers of Ten. Scientific Notation 10 n means 10 x 10 x 10 x 10 … [n times] 10 -n means 1/(10 x 10 x 10 ….) [n times]
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