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Solar System
Solar System

... 2. Jupiter gives off more heat than it absorbs from the sun. 3. All four of the gas giants have a ring system. 4. All the planets orbit the sun in the same direction. 5. The orbits of all the planets lie in a flat plane except for the orbit of Pluto (dwarf planet, which is tilted compared to the oth ...
LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

... 14. Find roughly the distance of a star whose parallax is 0.5” given that parallax of the sun is 9” and the earth’s radius is 4000 miles. 15. Prove that equation of time vanishes four times a year. 16. Define sidereal month and synodic month of the moon and find the relation between them. 17. Compar ...
Unit 8 Chapter 28 Minor Bodies of the Solar System
Unit 8 Chapter 28 Minor Bodies of the Solar System

... thin ring of sunlight is visible around the outer edge of the moon. The brightness of this thin ring of ordinary sunlight prevents observers from seeing the outer layers of the sun’s atmosphere that are visible during a total solar eclipse. An annular eclipse will be visible from the American Southw ...
write the scientific term
write the scientific term

... Because, they are metals and metals are conductors of heat. Due to the inclined axis of the earth. Due to the condensation of water vapour on the outer surface of the bottle. Because, it is a good conductor of electricity. Because, it is a malleable metal. Because, it is very far from the sun (the 7 ...
Working with the Illinois Learning Standards: A Constructivist
Working with the Illinois Learning Standards: A Constructivist

... adequately accommodate new information related to that preconception. The following preconceptions are related to Goal 12 of the Illinois Learning Standards – Concepts and Principles. Consider eliciting these preconceptions from your students and confronting them before moving on to teach new relate ...
Lecture 1: Our Place in Space
Lecture 1: Our Place in Space

... Lecture Series 1: Earth’s Movement & Lunar • The Moon has phases or changes in appearance during the night sky because of how the light from the Sun reflects off the Moon as it rotates around the Earth. • New Moon, Full Moon, etc. ...
1 Introduction - Numerical Recipes
1 Introduction - Numerical Recipes

... \candles." Historically this of course had no meaning until Joule discovered the \mechanical equivalent of heat" (calories per joule) in 1847; before that we could only discuss L in calories/s: Sun ...
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Society News - Bristol Astronomical Society
Society News - Bristol Astronomical Society

... M36, M37 and M38, all visible with binoculars and small telescopes. High in the west around midnight you will find the constellation of Cancer, at its heart lies the large open cluster M44, ‘the Beehive Cluster’ or Praesepe. M44 is just visible to the naked-eye and is a spectacular sight in binocula ...
The Seasons
The Seasons

... Compare the area of illumination at the equinox to the summer and winter solstices. The area of illumination at the equinox is less than at the winter solstice and more than at the summer solstice. Notice that the earth’s axis always points to the same direction in space. The northern pole always po ...
1 Lecture 8: Uranus and Neptune
1 Lecture 8: Uranus and Neptune

... – discovered by British William Herschel in 1781, first discovery of a planet in over 2000 years – apparent magnitude is at the edge of the naked eye’s ability to see, if you know exactly where it is – discovered through optical telescope – orbital semimajor axis: 19.19 AU, mass: 14.54 earth masses ...
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... bright star Thuban near 2700 BC, when the pyramids were built, and was once near Vega, a name that means “fallen.” ...
Revolutions of Earth
Revolutions of Earth

... Although Copernicus’ model was simpler –it didn’t need epicycles and deferents - it still did not perfectly describe the motion of the planets. Johannes Kepler solved the problem a short time later when he determined that the planets moved around the Sun in ellipses (ovals), not circles ( Figure 1.2 ...
Eclipse of the Sun 1 September 2016
Eclipse of the Sun 1 September 2016

... during a lunar eclipse can see it. • However one has to be at the exact spot on Earth to see a Solar Eclipse. • Since that spot on Earth is very small, one given place only sees a Solar Eclipse every 350 years, on average ...
Astronomy Teaching that Focuses on Learning Subtitled
Astronomy Teaching that Focuses on Learning Subtitled

... 30. The Sun is solid & shines by burning gas or from molten lava 31. The Sun always rises directly in the East 32. Black holes are empty space 33. Black holes are huge vacuum cleaners in space, sucking everything in. ...
wk02noQ
wk02noQ

... We can define a coordinate system as on Earth: Absolute coordinates: Declination (~ latitude) Right Ascension (~ longitude) Declination = –90 to 0 to 90 [pole – equator – pole] Right Ascension = 0 – 360 [where is RA=0 ?] ...
angles_telescopes
angles_telescopes

... surface (angular sizes of a few arc minutes) • To increase Moon from “actual size” to “fist size” requires magnification of 10 (typical of binoculars) – with binoculars, can easily see shapes/shading on Moon’s surface (angular sizes of 10’s of arcseconds) • To see further detail you can use a small ...
Climbing the Cosmic Distance Ladder: How Astronomers Measure
Climbing the Cosmic Distance Ladder: How Astronomers Measure

... …and they are close enough that we can resolve their sizes.* *In reality, stars are too far away for us to resolve their discs. This is a thought experiment to illustrate the method.) ...
Lec21_2D
Lec21_2D

...  Proximity to the Sun. Gases such as CH4 and NH3 are destroyed by ultraviolet light. Mars’ atmosphere is not thick enough to shield itself from ultraviolet photons.  Chemistry. Oxygen (O2) reacts with almost anything (i.e., minerals in rocks), so it cannot stay free. ...
Distance - courses.psu.edu
Distance - courses.psu.edu

... 2. What does a star's flux measure? 3. a) A star with the Sun's luminosity, but located 2 AU from Earth instead of 1 AU, would appear how bright relative to the Sun? b) A star with the Sun's luminosity, but located 20 AU from Earth instead of 1 AU, would appear how bright relative to the Sun? 4. Jup ...
Chapter 2 PowerPoint
Chapter 2 PowerPoint

... • Diurnal motion requires at least one celestial sphere • Annual motion requires at least one additional sphere • Irregular motion requires at least two additional spheres ...
July 2005 - Western Nevada Astronomical Society
July 2005 - Western Nevada Astronomical Society

... Q: What is meant by “Opposition and “Superior Conjunction” If you look at the monthly calendar for August you will see that Neptune is at opposition on the 8th! What that means for amateur astronomers is that Neptune is now at its closest to Earth, opposite the sun in relation to Earth and its the b ...
the brochure
the brochure

... Celsius. It is so hot, that it can melt lead. Venus also probably once had oceans but they all boiled away into the atmosphere. ...
Inverse Square Law - Hutto High School
Inverse Square Law - Hutto High School

... • 3/10 Tuesday – Rotational Motion, Torque & Universal ...
PDF Format
PDF Format

... Observation: Stars, Suun, Moon and planets move in counterclockkwise circles around north (south) celestial pole. pole Objects j near the celestiial equator ...
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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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