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Study Notes Lesson 13 Gravitational Interactions
Study Notes Lesson 13 Gravitational Interactions

... Comet Shoemaker-Levy 9(SL9): SL9 was in pieces ranging in size up to 2 kilometers in diameter, and is believed to have been pulled apart by Jupiter's tidal forces during a close encounter in July 1992. These fragments collided with Jupiter's southern hemisphere over a period of time between July 16 ...
More on Stars and the Sky
More on Stars and the Sky

... Why does the Sun appear to move in the sky with respect to Stars? Can you see the Sun’s annual movement in the sky? Given an example. Why don’t we ever see the planets near the celestial poles? What is the Zodiac? How is it different from the Elliptic? What are the Zodiac ...
Index to issues
Index to issues

... This general index covers topics in feature articles and the columns Astronomical Teachniques, Teachers' Challenge, and Photons Focused on: but does not index the seasonal Teachers Sky Planning Calendar, most RAP Sheets, the editor's My View of the Classroom Universe. Each listing consists of the Is ...
waves
waves

... Earth, blocking the Sun’s light casting a shadow over a certain area on Earth  Lunar eclipse – when Earth is directly between the Sun and the Moon, blocking the Sun’s light so that Earth’s shadow is cast over the Moon daily changes in the level of the surface levels of Earth’s oceans due to the gra ...
PHYS103 Hour Exam No. 2 Page: 1 1 The time it takes for Jupiter to
PHYS103 Hour Exam No. 2 Page: 1 1 The time it takes for Jupiter to

... c. where the Earth’s magnetic …eld exactly balances its gravitational …eld. d. regions where large numbers of asteroids orbit the Earth. 33 Saturn’s magnetic North and South poles are a. displaced from its rotation axis poles, but still symmetrical about its center, much like Earth’s. b. almost exac ...
The Night Sky May 2016 - Bridgend Astronomical Society
The Night Sky May 2016 - Bridgend Astronomical Society

... observation in a small telescope as Mizar is then shown to be an easily resolved double star. A fainter reddish star forms a triangle with Alcor and Mizar. Ursa Major contains many interesting "deep sky" objects. The brightest, listed in Messier's Catalogue, are shown on the chart, but there are man ...
Diapozitivul 1
Diapozitivul 1

... of the eight planets in the Solar System Home to millions of species including humans, Earth is currently the only place where life is known to exist Earth's outer surface is divided into several rigid segments Earth interacts with other objects in space, especially the Sun and the Moon ...
The Magnitude scale
The Magnitude scale

... The Magnitude scale Relative brightness on a backwards (!) log scale. Dates to Hipparchus. E.g., apparent relative luminosities of stars a & b are given by, ...
5th Grade “I Can Statements”
5th Grade “I Can Statements”

... I can explain that the moon reflects light from the sun, and it appears to change shape because its revolution around the earth causes it to show different portions of the lit half. I can explain that because of the earth's counterclockwise rotation, the moon and sun seem to rise in the east and se ...
Exam 2
Exam 2

... When sunlight from the Sun hits the surface of a planet, that surface is heated. Places on the planet's surface that are heated so that the atmospheric gases rise are ______ pressure zones on the planet's surface. Winds move across the planet's surface ______ this ________ pressure zone. a) low, tow ...
Assignment 1 - utoledo.edu
Assignment 1 - utoledo.edu

... ____ 28. A very odd friend of yours (living in Bayonne, New Jersey) [substitute your favorite local town to make fun  of] asks you for advice (as his astronomy expert). He likes sleeping during the day, and being awake at night,  and has taken to going out into an open field and staring at the star ...
Measuring the ligth
Measuring the ligth

... Where f is the flux at the earth and fo a constant. To be noted in this formulae is the logarithm (The Hipparcos eye had a more or less logarithmic response, like any human), the minus sign (accounting for the fact that the more brilliant stars have the lower magnitudes like in the Hipparcos categor ...
Astronomy From Å to ZZ — Howard L. Cohen
Astronomy From Å to ZZ — Howard L. Cohen

... remain stationary over one point on their surfaces. (The Moon’s rotation period is also synchronous with its orbit period around Earth so the Moon keeps the same face toward Earth. However, Earth’s rotation is not synchronous.) Charon’s orbit about Pluto is nearly circular and close to the equatoria ...
Celebrating the Oneness of Love and Light
Celebrating the Oneness of Love and Light

... the gods assembled themselves at the ceremonial city of Teotihuacan. For four days they performed penance around a sacred fire, symbol of the divine center. Their sacrifices were intended to conjure the world into being. It soon became clear that a very great sacrifice would be necessary to succeed ...
The magnitudes of stars
The magnitudes of stars

... However this does not give a true impression of the actual brightness of a star. A nearby faint star may well look brighter than another star that is actually brighter but more distant. (A good example of this is shown by Rigel and Sirius in the following table. Sirius looks brighter than Rigel when ...
2011 - Edexcel
2011 - Edexcel

... 8 A group of students were observing the Perseid meteor shower that occurs annually in August. This shower is caused by a short-period comet. (a) Where is the origin of most short-period comets? ...
(Issue 6), June 2014
(Issue 6), June 2014

... The inner part of moon’s shadow is called Umbral shadow and the outer part is known as Unfortunately, not every eclipse of the Sun is Penumral shadow. a total eclipse. Sometimes, the Moon is too small to cover the entire Sun’s disk. It occurs Total solar eclipse occur when the Umbral part because th ...
The Universe - Smithsonian Education
The Universe - Smithsonian Education

... Pluto is hardly dominant. If it were set down on the surface of Earth, it would barely cover India. The loss of Pluto had been offset by the discovery of planets outside of our solar system. Since the time of Galileo, when the Sun was found to be a star, astronomers have thought it likely that other ...
doc
doc

... 1. The patterns of stars in the sky stay the same, although they appear to move across the sky nightly, and different stars can be seen in different seasons. 2. Constellations are groups of stars that look like pictures. 3. Stars are like the sun, some being smaller and some larger, but so far away ...
Galileo & the Telescope—Sept 21
Galileo & the Telescope—Sept 21

... in a few days she was reduced to a semicircle. She maintained this shape for many days, all the while, however, growing in size. At present, she is becoming sickle-shaped… ...
Celestia Activity 2013
Celestia Activity 2013

... that some important info about Earth appears in the upper left corner of your screen. What are the first 2 pieces of info provided? 4. Click “Display,” “Orbits,” and make sure the orbits of planets, moons, and minor moons are selected. 5. OK, lets find out what it’s like to travel to the moon at the ...
Copy rights – www.SJJeyanth.yolasite.com 01.Our Solar system
Copy rights – www.SJJeyanth.yolasite.com 01.Our Solar system

... few kilometers across, composed largely volatile ices. They have highly eccentric orbits, generally a perihelion within the orbits of the inner planets and an aphelion far beyond Pluto. When a comet enters the inner solar system, its proximity to the sun causes its icy surface to sublimate and ioniz ...
E8A1_CRT_CR_MSTIPS_Final
E8A1_CRT_CR_MSTIPS_Final

... for the Northern Hemisphere and away when it is winter. At each of the equinoxes the Earth should not be tilted toward or way from the sun. B. The sun’s rays would be least direct in the winter for the northern hemisphere, and most direct in the southern hemisphere at this same time (The southern he ...
zenith - Gardner-Webb University
zenith - Gardner-Webb University

... c. Earth is tilted, so the Sun is closer to one hemisphere than the other, which causes one hemisphere to be in winter and the other in summer. d. The energy received at Earth from the Sun changes throughout the year providing more energy to one hemisphere than the other. ...
Document
Document

... •The Moon will be ~50% farther away from the Earth than it is now •The Lunar month will be about 47 days (cf. ~30 days now) •The Earth’s rotation period (the day) will be 47 days long The Earth and Moon will be locked together in a 1:1 tidal resonance, and always keep the same face towards each othe ...
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Extraterrestrial skies



In astronomy, the term extraterrestrial sky refers to a view of outer space from the surface of a world other than Earth.The sky of the Moon has been directly observed or photographed by astronauts, while those of Titan, Mars, and Venus have been observed indirectly by space probes designed to land on the surface and transmit images back to Earth.Characteristics of extraterrestrial skies appear to vary substantially due to a number of factors. An extraterrestrial atmosphere, if present, has a large bearing on visible characteristics. The atmosphere's density and chemical composition can contribute to differences in colour, opacity (including haze) and the presence of clouds. Astronomical objects may also be visible and can include natural satellites, rings, star systems and nebulas and other planetary system bodies.For skies that have not been directly or indirectly observed, their appearance can be simulated based on known parameters such as the position of astronomical objects relative to the surface and atmospheric composition.
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