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Lesson #5: Constellations - Center for Learning in Action
Lesson #5: Constellations - Center for Learning in Action

... Use a pin or the point of a sharpened pencil to punch a small hole through each of the drawn points (stars). Wrap the circle over the tube and secure it with a rubber band. Look through the tube at a light to see your constellation. Closure: Discuss the following questions as a class. What can stars ...
Sep 2017 - What`s Out Tonight?
Sep 2017 - What`s Out Tonight?

... Starting from New Moon, the Moon cycles through are several stars closer than these three but they are phases every 29 days, 12 hours, 44 minutes, 3 seconds. too faint to be seen with the naked eye. It is 2,160 miles in diameter and averages 239,000 miles from Earth. A New Moon is not visible in the ...
May 2016 - Pomona Valley Amateur Astronomers
May 2016 - Pomona Valley Amateur Astronomers

Handout 15: Virial Theorem E = P.E. + K.E = (1/2)P.E. = -K.E.
Handout 15: Virial Theorem E = P.E. + K.E = (1/2)P.E. = -K.E.

Parallax
Parallax

... Of course astronomers are not ones to use simple methods. They have goobered up this measurement just like the ones with magnitude. So keep reading and the enumeration as to how astronomers use parallax to measure the distance to a star will be given. Except for our sun, the stars are pretty far aw ...
astrocoursespring2012lec5-1-1
astrocoursespring2012lec5-1-1

... Point 2 (+ 6 Months) Opposite Side. ...
AN INTRODUCTION TO ASTRONOMY Dr. Uri Griv Department of Physics, Ben-Gurion University
AN INTRODUCTION TO ASTRONOMY Dr. Uri Griv Department of Physics, Ben-Gurion University

... R is the radius of a star. On the other hand, L = f · (4πr2 ) → T = (f r2 /R2 σ)1/4 • The basic idea of UBV Photometry is to measure the proportions of radiant energy put out by a thermal body at ultraviolet (U), blue (B), and visual (V) wavelength • fV /fB = function of T fB /fU = function of T • I ...
Chapter 18 - "The Earth in Space"
Chapter 18 - "The Earth in Space"

... • A tropical year is the time between two spring equinoxes • A sidereal year is the time required for the Earth to move around the Sun once. – A sidereal year is 365.25636 mean solar days. – This leaves about ¼ of a day per year unaccounted for. – The Julian calendar accounts for this by adding a da ...
Copy rights – www.SJJeyanth.yolasite.com 01.Our Solar system
Copy rights – www.SJJeyanth.yolasite.com 01.Our Solar system

... precise orbits are difficult. Old comets that have had most of their volatiles driven out by solar warming are often categorized as asteroids. ...
Skylights - May 2017 - Astronomical Society of Northern New England
Skylights - May 2017 - Astronomical Society of Northern New England

... The first good meteor shower of the year, called the Eta Aquarids, will peak this month on Saturday morning the 6th. Caused by the most famous of all comets, Halley’s, you can expect about 50 meteors per hour that morning. Look for nearly half that rate each morning from the third through the tenth. ...
Goal: To understand how Galileo and Newton
Goal: To understand how Galileo and Newton

... • He concluded that these stars had to be more distant that the stars you can see with your naked eye. • Also, this could mean that the distance to the known stars is probably much higher than expected, and therefore too large to be measurable with stellar parallax. ...
Chapter 9 Gravitation continued
Chapter 9 Gravitation continued

... In general, the orbit of a satellite (around a planet) or planet (around a star) is an ellipse. Kepler was the first to describe this motion for planets around the sun that are a consequence of Newton’s Universal Gravitational Force. Kepler’s Laws for planetary orbits (in homework) 1.  Orbits are el ...
Stars
Stars

... • Apparent Magnitude: stars closer to Earth appear brighter than those that are farther away • Absolute Magnitude: big stars are brighter than small stars. This is the ACTUAL brightness of the star – If all the stars were lined up equi-distant from Earth, we would be able to compare their actual bri ...
pdf version
pdf version

... giant planets (the ‘‘disk’’ era), which takes about 10 Myr, and lento, for the formation of terrestrial planets and the early evolution of the Earth (the ‘‘telluric era’’), which is dominated by collisions between small bodies (fortissimo!) and takes about 100 Myr. It is in the course of the andante ...
Grade 5 CPSD Science Curriculum Guide
Grade 5 CPSD Science Curriculum Guide

... and night, and the seasonal appearance of some stars in the night sky. The Performance Expectations of this unit expect students to demonstrate grade-appropriate proficiency in supporting an argument that the gravitational force exerted by Earth on objects is directed down; Supporting an argument th ...
Chapter 13 32)Which method could detect a planet in an orbit that is
Chapter 13 32)Which method could detect a planet in an orbit that is

... 32)Which method could detect a planet in an orbit that is face-on to the Earth? c) Astrometric method. The astrometric method measures the tangential motion of a star, and a face-on planetary orbit would force the star to move in the tangential direction. In contrast, both the Doppler and transit me ...
EXPLORING THE SOLAR SYSTEM
EXPLORING THE SOLAR SYSTEM

... star called the Sun. The difference between a star and a planet is that a star is a hot body that gives out light of its own, whereas planets are cool and shine simply by reflecting sunlight. Together, the Sun and all the objects that orbit it make up the Solar System. The Solar System is the Sun’s ...
Asteroids Comets and Meteoriods 2015
Asteroids Comets and Meteoriods 2015

... Giant meteor hits Earth. Why no one saw it. The largest meteor since the 2013 impact in Chelyabinsk, Russia, hit Earth on Feb. 6, 2016. The fireball fell into the ocean off the coast of Brazil and released energy roughly equivalent to 13,000 tons of TNT. This is significantly less than the Chelyabi ...
Geology/Physics 360
Geology/Physics 360

... • The sun reaches 23.5 degrees N of the celestial equator on June 21 (the solstice) • When does it reach 23.5 degrees S of the celestial equator? • When does it reach the celestial equator? (the equinox) ...
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Infinity Express-1

... S G2: Nature of Science S G3: History of Science Infinity Express has content relating directly to these particular standards, including: • IE explicitly reviews the development of astronomical knowledge over time • Modern satellite technology has created a “data storm” from observations of Earth. T ...
Lecture101602
Lecture101602

... Velocity (has fast/what direction) Mass Size Composition ...
3.1 Using Technology
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... supernova remnant from a gamma-ray burst has been found so close to Earth. It also appears to be tied to a special type of black hole called a "collapsar," which was first theorized by scientists more than a decade ago. ...
Comments from John Saunders.
Comments from John Saunders.

... he made history. Racing against time he made drawings of the transit until 3.50 pm when the sun set. Aside from its rarity, the original scientific interest in observing a transit of Venus was that it could be used to determine the size of the solar system by employing the parallax method and Kepler ...
The Celestial Sphere - Department of Physics and Astronomy
The Celestial Sphere - Department of Physics and Astronomy

... Because the stars are distant, they don’t appear to move and change relative to each other. Instead, all the motions that we see are due to the rotation of the Earth and the orbit of the Earth around the Sun. ...
Measuring stars Part I
Measuring stars Part I

... Using the weird equation, the distance to deneb can be calculated: 2500 light years (M – m = 5 – 5log(d)) One last obvious question: How did we ever know the Absolute visual magnitude to Deneb without knowing its distance in the ...
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Astronomical unit

The astronomical unit (symbol au, AU or ua) is a unit of length, roughly the distance from the Earth to the Sun. However, that distance varies as the Earth orbits the Sun, from a maximum (aphelion) to a minimum (perihelion) and back again once a year. Originally conceived as the average of Earth's aphelion and perihelion, it is now defined as exactly 7011149597870700000♠149597870700 meters (about 150 million kilometers, or 93 million miles). The astronomical unit is used primarily as a convenient yardstick for measuring distances within the Solar System or around other stars. However, it is also a fundamental component in the definition of another unit of astronomical length, the parsec.
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