'000 ly' diaporamas de présentation

The Shape of the Universe

839 views • 69 slides

The Universe of Galaxies

656 views • 64 slides

Astronomy

626 views • 62 slides

Galaxies

Galaxies. How big is the Universe? Types of galaxies Elliptical Spiral Irregular. What evidence do we have that there is hidden mass in the galaxy?. cool clouds of hydrogen RR Lyrae variable stars in globular clusters flat rotation curve at large radii dusty regions in the plane.

845 views • 60 slides

Endpoints of stellar evolution

Endpoints of stellar evolution. The end of stellar evolution is an inert core of spent fuel that cannot maintain gas pressure to balance gravity.

514 views • 51 slides

Discovering the Universe Ninth Edition

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Discovering the Universe Ninth Edition

630 views • 50 slides

Endpoints of stellar evolution

Endpoints of stellar evolution. The end of stellar evolution is an inert core of spent fuel that cannot maintain gas pressure to balance gravity.

742 views • 48 slides

ASTR/GEOL 3300: ET Life

466 views • 35 slides

ASTR 1102-002 2008 Fall Semester

435 views • 33 slides

ASTR 1102-002 2008 Fall Semester

334 views • 33 slides

Lesson #13 Topic: The Earth, Sun, and Solar System

10/3/06. Lesson #13 Topic: The Earth, Sun, and Solar System. Objectives: (After this class I will be able to) Explain why the earth experiences different seasons Research information about our solar system Create a scale model of our solar system.

521 views • 28 slides

Discovery of Other Galaxies: Ch 51, Archives Read Chapter 53, Secrets

332 views • 27 slides

The Milky Way I

506 views • 27 slides

486 views • 24 slides

What does the value of modern medicine say about the $50,000/QALY decision rule?

What does the value of modern medicine say about the $50,000/QALY decision rule?. RS Braithwaite, 1 David O Meltzer, 2 Joseph T King, 1 Douglas Leslie, 1 Mark S. Roberts 3.

261 views • 21 slides

What does the value of modern medicine say about the $50,000/QALY decision rule?

What does the value of modern medicine say about the $50,000/QALY decision rule?. RS Braithwaite, 1 David O Meltzer, 2 Joseph T King, 1 Douglas Leslie, 1 Mark S. Roberts 3.

322 views • 21 slides

Day #3--Galaxies

576 views • 14 slides

Irregulars

262 views • 11 slides

One light year = 1 ly = 6 trillion miles

One light year is equal to the distance traveled by light in one year (through empty space). One light year = 1 ly = 6 trillion miles = 9.5 trillion kilometers. Wait a minute! How do we know how far one light year is?.

236 views • 5 slides