PX 269 Galaxies 7 5 CATs 18 lectures

PX 269 Galaxies 7. 5 CATs; ~18 lectures; follows from PX 268 Stars Dr Peter Wheatley p. j. wheatley@warwick. ac. uk Office: PS 009 PX 269 Galaxies

Books PX 269 Galaxies

Books II PX 269 Galaxies

Books III PX 269 Galaxies

Part 1: Introduction 1. 1 Historical overview PX 269 Galaxies

The Milky Way PX 269 Galaxies Wei-Hao Wang University of Hawaii

Galileo Galilei PX 269 Galaxies 1609

Mountains and craters on the moon PX 269 Galaxies

Sunspots

Galileo’s sketch Cassini probe Saturn’s rings

Jupiter’s moons Europa Io PX 269 Galaxies Ganymede Callisto Kurt Friedrich

SIDEREAL MESSENGER unfolding great and very wonderful sights and displaying to the gaze of everyone, but especially philosophers and astronomers, the things that were observed by GALILEO GALILEI, Florentine patrician and public mathematician of the University of Padua, with the help of a spyglass lately devised by him, about the face of the Moon, countless fixed stars, the Milky Way, nebulous stars, but especially about four planets flying around the star of Jupiter at unequal intervals and periods with wonderful swiftness; which, unknown by anyone until this day, the first author detected recently and decided to name MEDICEAN STARS The Starry Messenger, Galileo Galilei 1610

Milky Way PX 269 Galaxies Wei-Hao Wang University of Hawaii

Wei-Hao Wang University of Hawaii PX 269 Galaxies Milky Way and a “spiral nebula”

1750 s Thomas Wright Immanuel Kant PX 269 Galaxies

Angular momentum and disc geometries Rich Townsend, UCL

Wei-Hao Wang University of Hawaii PX 269 Galaxies

Charles Messier PX 269 Galaxies

Andromeda Galaxy = M 31 = NGC 224

Cepheid variables as standard candles Magnitude Log Period [d] Henrietta Swan Leavitt PX 269 Galaxies

100 -inch Mt Wilson telescope Edwin Hubble PX 269 Galaxies

Hubble Space Telescope PX 269 Galaxies

Hubble Deep Field 1, 000 sec exposure Seeing 100 billion times fainter than human eye… …and half way back to the beginning of time. PX 269 Galaxies

Part 1: Introduction 1. 2 Galaxy classification PX 269 Galaxies

Hubble Space Telescope

M 87 an elliptical galaxy CFHT

NGC 2768 an elliptical galaxy PX 269 Galaxies

M 51 the Whirlpool Galaxy

NGC 1300 a barred spiral galaxy

Dust extinction in the Sombrero Galaxy = M 104

NGC 1427 A a dwarf irregular galaxy

M 51 the Whirlpool Galaxy