'Parallax angle' diaporamas de présentation

Chapter 11 Surveying the Stars

Chapter 11 Surveying the Stars. 11.1 Properties of Stars. Our goals for learning: How do we measure stellar luminosities? How do we measure stellar temperatures? How do we measure stellar masses?. How do we measure stellar luminosities?. And why do we care?.

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Chapter 15 Surveying the Stars

Chapter 15 Surveying the Stars. 15.1 Properties of Stars. Our goals for learning: How do we measure stellar luminosities? How do we measure stellar temperatures? How do we measure stellar masses?. How do we measure stellar luminosities?.

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Chapter 11 Surveying the Stars

Chapter 11 Surveying the Stars. 11.1 Properties of Stars. Our goals for learning: How do we measure stellar luminosities? How do we measure stellar temperatures? How do we measure stellar masses?. How do we measure stellar luminosities?.

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Chapter 1

Chapter 1. Charting the Heavens The Foundations of Astronomy. Scale: relative size and distance units speed of light, distance, and time Measuring distance and size triangulation parallax angular measurement View from Earth celestial sphere constellations and the zodiac

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P7 - Observing the Universe Subtopic 1 Telescopes

P7 - Observing the Universe Subtopic 1 Telescopes. Convex / Converging Lenses bring light to a Focus. Power (dioptre) = 1 / Focal Length. More powerful lenses have more curved surfaces. Simple telescopes have 2 converging lenses. The most powerful one being the eyepiece lens.

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The Memphis Astronomical Society Presents A SHORT COURSE in ASTRONOMY

The Memphis Astronomical Society Presents A SHORT COURSE in ASTRONOMY. CHAPTER 12 C O S M O L O G Y Dr. William J. Busler Astrophysical Chemistry 439. COSMOLOGY I. Measuring Cosmological Distances. A. Knowledge of how to measure distances by parallax is assumed. (See Chapter 9.).

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Chapter 13: Taking the Measure of Stars

Chapter 13: Taking the Measure of Stars. Stars come in a wide range of temperatures, sizes, masses and colors. The constellation of Orion is a good example of the variety of stars. How can we learn about stars?.

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Distance Ladder

Distance Ladder . Pre-class Problem.

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Astronomy Contents of the universe

Astronomy Contents of the universe. We live in the solar system. Earth orbits the sun every yr in elliptical orbit. Distance Earth to sun 1 AU. Birth of the Solar System Solar system born ~4.5 BYA 2 min. http://www.youtube.com/watch?v=qfdDWdZcpOw. Our Solar System planets/moons/asteriods.

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Some Basic Facts

Some Basic Facts. 12 Constellations of the Zodiac: groups of stars in an 18 degree wide belt around the Ecliptic -apparent path of the Sun in the Sky among the stars No physical relationship among stars in a constellation, except apparent 2-D location

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Powers of Ten , Angles, Units , Mechanics Chapters 1, 4

Powers of Ten , Angles, Units , Mechanics Chapters 1, 4. How does astronomy work?. In astronomy, we make observations and measurements: Angles Motions Morphologies Brightnesses Spectra Etc. We interpret and explain in terms of physics: Mechanics Atomic and molecular processes

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PARALLAX

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Our Place in Space

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Announcements

Announcements. Homework : Chapter 13 # 45, 48, 49 & 50 Exam 1 will be returned next time. Stars!. The fundamental question: How far away is that star. The most direct method of determining stellar distances is parallax.

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How do astronomers measure cosmological distances?

How do astronomers measure cosmological distances?. Parallax . Which object is Further away? Which object is larger? What proof can be provided to support your conclusion?. Parallax. Angle of a fixed object while viewed upon at two different places.

168 views • 7 slides