• Study Resource
  • Explore Categories
    • Arts & Humanities
    • Business
    • Engineering & Technology
    • Foreign Language
    • History
    • Math
    • Science
    • Social Science

    Top subcategories

    • Advanced Math
    • Algebra
    • Basic Math
    • Calculus
    • Geometry
    • Linear Algebra
    • Pre-Algebra
    • Pre-Calculus
    • Statistics And Probability
    • Trigonometry
    • other →

    Top subcategories

    • Astronomy
    • Astrophysics
    • Biology
    • Chemistry
    • Earth Science
    • Environmental Science
    • Health Science
    • Physics
    • other →

    Top subcategories

    • Anthropology
    • Law
    • Political Science
    • Psychology
    • Sociology
    • other →

    Top subcategories

    • Accounting
    • Economics
    • Finance
    • Management
    • other →

    Top subcategories

    • Aerospace Engineering
    • Bioengineering
    • Chemical Engineering
    • Civil Engineering
    • Computer Science
    • Electrical Engineering
    • Industrial Engineering
    • Mechanical Engineering
    • Web Design
    • other →

    Top subcategories

    • Architecture
    • Communications
    • English
    • Gender Studies
    • Music
    • Performing Arts
    • Philosophy
    • Religious Studies
    • Writing
    • other →

    Top subcategories

    • Ancient History
    • European History
    • US History
    • World History
    • other →

    Top subcategories

    • Croatian
    • Czech
    • Finnish
    • Greek
    • Hindi
    • Japanese
    • Korean
    • Persian
    • Swedish
    • Turkish
    • other →
 
Profile Documents Logout
Upload
An Argument for the Cometary Origin of the Biosphere
An Argument for the Cometary Origin of the Biosphere

... pieces-the planetesimals-that formed the protoearth. The chemical composition of ordinary chondrites and carbonaceous chondrites allows scientists to determine the temperatures at which they were formed. A curve Cleft showing the decrease in temperature with increasing distance from the protosun can ...
Astronomical Chronicle  for September, 2008
Astronomical Chronicle for September, 2008

Darwin – A Mission to Detect, and Search for Life on, Extrasolar
Darwin – A Mission to Detect, and Search for Life on, Extrasolar

... Macromolecules appear to be an excellent choice for information storage, replication, and evolution in a natural environment. Specifically, carbon chemistry is by far the richest and most flexible chemistry. The need for rapid reaction rates between macromolecules argues for a liquid solution mediu ...
24_Testbank - Lick Observatory
24_Testbank - Lick Observatory

... Answer: Future technology (large space-based interferometers) will be able to measure the farinfrared spectrum of the planet's atmosphere. Ozone produces a strong feature in the Earth's atmosphere and would be detectable in the hypothetical extrasolar planet with the planned space interferometer. Oz ...
Young Astronomers Digest
Young Astronomers Digest

... you are), this month’s issue is on the Myths and Urban Legends of Astronomy. For the younger minds, we’ve laid out myths like the phases and the spinning of the moon (yes it does spin!) as well as why stars actually don’t come in only the colour white and why Polaris may not be as bright as you thin ...
sept-9th-2010-mercury-the-key-to-decoding-the
sept-9th-2010-mercury-the-key-to-decoding-the

... them the truth. I will never cease to benefit thereby the life of mortal men; and then above all will I benefit each one of them, when the force of nature working in him is in accord with the movement of the stars above.' (Corpus Hermetica, EXC. XXIII. Isis to Horus ...
Chapter 24
Chapter 24

... Probably very different history than neighboring Jovian planets. Older theory suggests that Pluto and Charon formed as moons of Neptune, ejected by interaction with massive planetesimal. ...
Chapter 24
Chapter 24

... less than 100 million years old. Large basins might have been flooded many times by liquids from the interior. Icy version of greenhouse effect may be one of the heat sources for Triton’s geological activity. ...
Beyond Our Solar System
Beyond Our Solar System

... In this figure, your field of view widens by a factor of 100, and you can see an area 1 mile in diameter. – The arrow points to the scene shown in the preceding photo. – People, trees, and sidewalks have vanished, but now you can see a college campus and the surrounding streets and houses. – The di ...
Lecture - Faculty
Lecture - Faculty

... between Mars and Jup. at 2.8 AU: – 1801 – Piazzi (It.) discovers Ceres – 1804 – Juno disc. – 1807 – Vesta disc. (these are the largest ...
The Interior Structure, Composition, and Evolution of Giant Planets
The Interior Structure, Composition, and Evolution of Giant Planets

... fits to more recent shock compression data resulting into larger (smaller) compressibility at ∼0.5 (10) Mbar. In this article we call this improved version H-Sesame-K03. Saumon and Guillot (2004) patched the original version at pressures between 100 bar and 0.4 Mbar with another EOS in order to repr ...
The Interior Structure, Composition, and Evolution of Giant Planets
The Interior Structure, Composition, and Evolution of Giant Planets

... fits to more recent shock compression data resulting into larger (smaller) compressibility at ∼0.5 (10) Mbar. In this article we call this improved version H-Sesame-K03. Saumon and Guillot (2004) patched the original version at pressures between 100 bar and 0.4 Mbar with another EOS in order to repr ...
April 2006 Newsletter PDF - Cowichan Valley Starfinders Society
April 2006 Newsletter PDF - Cowichan Valley Starfinders Society

... they can also be spectacular. Scientists from the Max Planck Institute for Solar System Research in Katlenberg, Lindau, Germany, have now observed Saturn's polar region using the particle spectrometer MIMI, on the Cassini Space Probe. They discovered electrons not only being accelerated toward the p ...
8th Grade Science - Lafayette Parish School System
8th Grade Science - Lafayette Parish School System

... Unit Description and Student Understandings: This unit focuses on demonstrating the magnetic fields of bar magnets and making comparisons to those of Earth; demonstrating Newton’s laws of motion; defining gravity and its relationship to mass and distance between objects; and explaining relationships ...
Counting Comets
Counting Comets

... the University of Washington—using 500,000 CPU hours on the Purdue University cluster Condor—are saying we have little to worry from Oort cloud comets colliding with our planet, settling a long-term issue in astronomy. Essentially, their simulations revealed that the number of comets in the Oort clo ...
ISNS3371_020607_bw
ISNS3371_020607_bw

... Center of Mass - Binary Star ...
NIE10x301Sponsor Thank You (Page 1)
NIE10x301Sponsor Thank You (Page 1)

... and Sun cause the Moon to appear in phases. The Moon goes through four main phases as it travels from west to east in its monthly orbit of the earth. Try observing the moon at the same time each night and its eastward movement will be revealed. The phases are caused by the angle of sunlight reflecte ...
Voyager 2
Voyager 2

... Uranus’s Rings and Small Satellites ...
The formation and habitability of terrestrial planets in the presence of
The formation and habitability of terrestrial planets in the presence of

... scale such that a given separation corresponds to a fixed ratio of orbital periods, shown in the scale bar on the top left. The dashed vertical lines represent the boundaries of the habitable zone (Kasting et al., 1993). Simulations 23 and 24 were run for 200 Myr, simulations 9 and 10 for 500 Myr, a ...
Complete the “Assess Your Understanding” including
Complete the “Assess Your Understanding” including

... Solar systems are also called __________________________________________. Our solar system contains the _______________, 8 ___________________, and ____________________________ like moons and asteroids. Our solar system has only _______ star, but most stars are members of groups of more than one sta ...
Finding habitable earths around white dwarfs with a robotic
Finding habitable earths around white dwarfs with a robotic

... shows the size of that star versus time, and during the red giant phase the white dwarf habitable zone (WDHZ) will be engulfed by the star, leaving no planets after this phase. However, it may be possible that planets could arrive in the WDHZ after the red giant phase, either by reforming close to t ...
1 A Solar System Is Born - Middletown Public Schools
1 A Solar System Is Born - Middletown Public Schools

... BEFORE YOU READ After you read this section, you should be able to answer these questions: ...
The Cosmic Perspective Asteroids, Comets, and Dwarf Planets
The Cosmic Perspective Asteroids, Comets, and Dwarf Planets

... a)  Meteor showers are caused by the passage of Earth through the debris left by a comet in its orbit. b)  Meteor showers are caused by the passage of Earth through the dust tail of a comet. c)  Meteor showers are caused by the passage of Earth through a debris cloud from an asteroid collision. d)  ...
Slides - Geophysical Sciences
Slides - Geophysical Sciences

... terrestrial planets) that differ somewhat from those observed in the Solar System. Thus, although there is general confidence that the basic physics of terrestrial planet formation is understood, it is clear that current models do not include all of the ingredients needed to accurately match Solar S ...


... a “planet”. First, it was argued that a celestial body can be defined as a planet if it is in orbit around a star while not being itself a star or a satellite. Second, the object must be large enough for its own gravity to pull it into a nearly spherical shape. The shape of objects with mass above 5 ...
< 1 ... 80 81 82 83 84 85 86 87 88 ... 560 >

Orrery



An orrery is a mechanical model of the solar system that illustrates or predicts the relative positions and motions of the planets and moons, usually according to the heliocentric model. It may also represent the relative sizes of these bodies; but since accurate scaling is often not practical due to the actual large ratio differences, a subdued approximation may be used instead. Though the Greeks had working planetaria, the first orrery that was a planetarium of the modern era was produced in 1704, and one was presented to Charles Boyle, 4th Earl of Orrery — whence came the name. They are typically driven by a clockwork mechanism with a globe representing the Sun at the centre, and with a planet at the end of each of the arms.
  • studyres.com © 2025
  • DMCA
  • Privacy
  • Terms
  • Report