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ASTR 2320 General Astronomy II

ASTR 2320 General Astronomy II

ASTR 2320 General Astronomy II. Professor Mike Brotherton Chapter 19 – Cosmology We shall not cease from exploration, and the end of all our exploring will be to arrive where we started and know the place for the first time. -- T. S. Eliot. Cosmology.

By adamdaniel
(211 views)

Measuring Distances

Measuring Distances

Measuring Distances. Introduction. Trigonometric Parallax Spectroscopic Parallax Cepheid Variables Type Ia Supernovae Tully-Fisher Relationship Hubble’s ‘Law’. Trigonometric Parallax.

By derry
(185 views)

The Structure of the Universe

The Structure of the Universe

The Structure of the Universe. Finding RR Lyrae Stars. Globular clusters contain many RR Lyrae stars. They are easy to find because their luminosities change over time.

By vonda
(127 views)

Emergent Universe : Theory and Observations

Emergent Universe : Theory and Observations

Emergent Universe : Theory and Observations. B. C. Paul* Physics Department North Bengal University Siliguri -734 013, India *IUCAA Resource Centre, NBU _____________________________________. Outline of the Talk __________________________________________

By lerato
(101 views)

The structure and evolution of stars

The structure and evolution of stars

The structure and evolution of stars. The Extravagant Universe By R. Kirshner. Lecture14: Type Ia Supernovae. Learning Outcomes. In these final two lectures the student will learn about the following issues: What is a supernova Brief historical story of discovery of supernovae

By lilian
(92 views)

距离 -- 红移关系与暗能量 詹虎 国家天文台

距离 -- 红移关系与暗能量 詹虎 国家天文台

距离 -- 红移关系与暗能量 詹虎 国家天文台. JDEM. LSST. 南极 KDUST. BigBOSS. Euclid. Dark Matter & Dark Energy: Beyond the Standard Model. “The acceleration of the Universe is, along with dark matter, the observed

By foster
(220 views)

Riess, Strolger, Tonry et al astro-ph/0308185

Riess, Strolger, Tonry et al astro-ph/0308185

“Identification of Type Ia Supernovae at Redshift 1.3 and Beyond with the Advanced Camera for Surveys on HST”. Riess, Strolger, Tonry et al astro-ph/0308185. SN GO Piggyback Program. subtraction within 6-18 hrs of GOODS repeat visit to identify candidates

By havyn
(51 views)

7.3 Relative Distance Estimators

7.3 Relative Distance Estimators

7.3 Relative Distance Estimators. 김대원. Absolute distance estimator. Direct method to determine distance to particular objects. Simple and powerful. However most astronomical phenomena is not that simple, no such simple modeling is possible anymore when we want to estimate their distances.

By petra
(75 views)

The most powerful explosions in the Universe Genesis and evolution of Supernova and

The most powerful explosions in the Universe Genesis and evolution of Supernova and

EWASS 2012, Symposium 10: "30 years of Italian participation to ESO ”. The most powerful explosions in the Universe Genesis and evolution of Supernova and Gamma-Ray Burst Italian programs at ESO. Elena Pian - INAF, Trieste Astronomical Observatory. Supernovae.

By sheri
(104 views)

Type I Supernovae

Type I Supernovae

Type I Supernovae. Eric LeJeune. Supernova. High-mass star’s final brilliance Star explodes A turning off or sudden turn on of nuclear fusion. Classifying. Type I & Type II Type I doesn’t have hydrogen Type Ia, Ib, Ic Type Ia Exploded white dwarf Type Ib & Ic

By barny
(200 views)

The Acceleration of the Universe

The Acceleration of the Universe

The Acceleration of the Universe. Ruth A. Daly. Review of Data Indicating that the Universe is Accelerating. 1). Observations of the Cosmic Microwave Background Radiation → Space curvature = 0

By nellie
(98 views)

Theoretical Astrophysics @ FNAL: Dark Energy

Theoretical Astrophysics @ FNAL: Dark Energy

Theoretical Astrophysics @ FNAL: Dark Energy. Breakout session, DOE Review May 17, 2006. Pre-SN work on Natural Dark Energy Models. Very small mass scale of quintessence field (10 -33 eV) related to ratio of explicit breaking scale and spontaneous breaking scale:.

By penny
(67 views)

Lecture 16 Supernova Light Curves and Observations

Lecture 16 Supernova Light Curves and Observations

Lecture 16 Supernova Light Curves and Observations. SN 1994D. Supernovae - Observed Characteristics. See also http://www.supernovae.net/snimages/ http://snfactory.lbl.gov/ http://rsd-www.nrl.navy.mil/7212/montes/sne.html (broke 2009?). Spectroscopic classification of supernovae.

By kiet
(147 views)

Chapter 18 Our Expanding Universe

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
(215 views)

The Distance Ladder

The Distance Ladder

The Distance Ladder. Topics Trigonometric Parallax; Spectroscopic Parallax; Cepheid variables; Standard Candles Type Ia Supernovae …and others. Motivation Learn how we measure the size of the Universe. See how other quantities depend upon the Universe’s size. The Distance Ladder.

By sade-jordan
(131 views)

Galaxy Structure, Galaxy Clusters, Large Scale Structure, Hubble ’ s Law and the Distance Ladder

Galaxy Structure, Galaxy Clusters, Large Scale Structure, Hubble ’ s Law and the Distance Ladder

Galaxy Structure, Galaxy Clusters, Large Scale Structure, Hubble ’ s Law and the Distance Ladder. Astronomy 100. The “ Discovery ” of Galaxies.

By laura-kane
(163 views)

Galaxies

Galaxies

0. Galaxies. Chapter 13:. Galaxies. 0. Star systems like our Milky Way. Contain a few thousand to tens of billions of stars,. as well as varying amounts of gas and dust. Large variety of shapes and sizes. The Family of Galaxies. 0.

By myra-chaney
(160 views)

Galaxies

Galaxies

Note that the following lectures include animations and PowerPoint effects such as fly ins and transitions that require you to be in PowerPoint's Slide Show mode (presentation mode). Galaxies. Chapter 16. Guidepost.

By jaime-willis
(89 views)

Dark Matter, Dark Energy, and the Big Bang

Dark Matter, Dark Energy, and the Big Bang

Dark Matter, Dark Energy, and the Big Bang. The Father of Dark Matter.

By candi
(0 views)

3/28

3/28

3/28. What is the group of galaxies we are in called?. Galaxies. Guidepost.

By castille
(0 views)

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