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Beyond Planet Earth: Activities for Grades 6-8
Beyond Planet Earth: Activities for Grades 6-8

... What would studying asteroids up-close help scientists understand? (Answers may include: Samples could help them understand the formation of the solar system. Many asteroids contain the original debris from which the planets formed.) 2. Observe the Knowles Meteorite Touch the meteorite. What does it ...
minnesota
minnesota

... The calculation at the right (Herant and Woosley, ApJ, 1995) shows a 60 degree wedge of a 15 solar mass supernova modelled using SPH and 20,000 particles. At 9 hours and 36 hours, the growth of the non-linear RT instability is apparent. Red is hydrogen, yellow is helium, green is oxygen, and blue is ...
4. Star Formation
4. Star Formation

... This is partially still theory, but here is what we think happens in the central core during the collapse: – High density shields centre from external heating (radiation, and/or cosmic rays); cooling through dust grains, molecular lines; hydrogen is molecular – collapse starts; gravitational energy ...
Formation of the Solar System
Formation of the Solar System

... a) They were produced in the big bang. b) They were formed inside stars or supernovae that exploded before the solar system formed. c) They were produced in the Sun's early strong solar wind. d) They were formed inside the Sun shortly after its formation and blown out by its early strong solar wind. ...
The Cosmic Perspective Formation of the Solar System
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... Which of the following processes did not contribute to orderly motions in the solar system? a)  As the nebula shrank, conservation of angular momentum resulted in an increased spin rate. b)  Collisions between particles canceled out random motions. c)  Hotter temperatures closer to the Sun and coole ...
Neutrino Physics M. SPURIO University of Bologna and INFN
Neutrino Physics M. SPURIO University of Bologna and INFN

...  Once the core of the star becomes constituted primarily of iron, further compression of the core does not ignite nuclear fusion and the star is unable to thermodynamically support its outer envelope. As the surrounding matter falls inward under gravity, the temperature of the core rises and iron ...
November 2013
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... Carbon Dioxide (CO²) as the second largest constituent. It will also have traces of many other frozen gases and dust particles from the nebula (cloud of gas and dust) in which the Sun formed. When the comet is in the outer reaches of the Solar System it does not have a tail and resembles our much cl ...
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Temperature and Formation of our Solar System
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... extrasolar planets. About a dozen of these systems contain more than one “observed” planet. • These planets are usually Jupiter-sized and nearby their parent stars - called “hot Jupiters.” • These planets often appear to be the sole large body in their system. • The above two facts are due to a sele ...
MONTH of JANUARY - Cookies Day Care Center
MONTH of JANUARY - Cookies Day Care Center

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ASTR 330: The Solar System Dr Conor Nixon Fall 2006
ASTR 330: The Solar System Dr Conor Nixon Fall 2006

... • The Edgeworth-Kuiper belt is a band of icy planetesimals outside the orbit of Neptune (40-120 AU), hypothesized in the 1940s. • These objects are relics from the early formation phase of the solar system, which did not manage to form into planets. • The first EKO detected was found in 1992 (not co ...
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... The mass of the first planet is > 5 mass of Jupiter, the orbital period is 430 days, the closest distance between the planet and the host star can be as small as 1.3 astronomical units or 13 radiuses of the host star. The possibility of accretion is higher in planetary system. The relative underabun ...
Formation of the Solar System
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... In the standard model of the formation of the solar system, we begin with an enormous cloud of gas and dust (solar nebula), which is slowly rotating counterclockwise. Because there is mass in this cloud, it begins to collapse under gravity. This spinning cloud has angular momentum (like and ice skat ...
welsch_harvey_20100526
welsch_harvey_20100526

... Essentially all solar activity --- variations in the Sun's energetic output in the form of radiation, particles, and fields --- can be traced to the evolution of solar magnetic fields. Beyond the significant ramifications solar activity has for our society, its many facets are of great scientific in ...
Planetary Science - BPS Science Weebly
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ASTROPHYSICS LAB: THE LUMINOSITY OF THE SUN
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Solar System Debris - Sierra College Astronomy Home Page
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... system • It can get put into a shorter orbit – Eventually “burns-out” from repeated close encounters with the solar wind near perihelion which cause evaporation of nucleus and/or volatile material © Sierra College Astronomy Department ...
comets
comets

... Gas ionized by solar radiation is susceptible to solar magnetic field and wind Solar wind passes comets at 500 km/s  ion tail is swept almost exactly in anti-solar direction  Carried by solar wind ions are swept into long, distinctive ion tail  Most common ion, CO+, scatters blue light better th ...
Comets People were very superstitious in ancient times. They
Comets People were very superstitious in ancient times. They

... white tails trailing behind it. A comet has three main parts. It has a center made of ice and rock. A hazy cloud of gas called the coma surrounds the center. A comet can also have one or more tails that trail behind it. Comets only have tails when they get near the Sun. When a comet comes near the S ...
Planets of the Solar System Section 1
Planets of the Solar System Section 1

... How did the planets form?, continued Protoplanets became very large and condensed to form planets and moons. Moons are smaller bodies that orbit the planets. Planets and moons are smaller and denser than the protoplanets. Some protoplanets were massive enough to become round but not massive enough t ...
ASTR 330: The Solar System Dr Conor Nixon Fall 06
ASTR 330: The Solar System Dr Conor Nixon Fall 06

... • Einstein’s formula: E = mc2 gives the relation between a small amount of mass and a large amount of energy. The fuel source will last an estimated 10 billion years or more. • The Sun exhibits several types of activity: • Sunspots: ‘dark’ patches on the photosphere, which are in fact only 1000 K co ...
The formation of the Solar system
The formation of the Solar system

... originally formed at these locations? 1. The planet’s gravity would have been too large to form that close to the star 2. Their orbital periods are too long 3. A young star’s solar wind would have blown the ...
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File

... Small particles are pushed away from ...
Document
Document

... Close the other eye. Look at where your thumb is relative to the background object. Open. The background object doesn’t move, but the nearby object (your thumb) does. Nearby to what? Your eyes, which are ...
Energetic neutral atoms around HD 209458b
Energetic neutral atoms around HD 209458b

... 2004). Recently an alternative explanation was suggested by Holmström et al. (2008), hereafter H08, showing that energetic neutral atoms (ENAs) created by charge-exchange between the stellar wind and the exosphere can explain the observations. ENAs resulting from the interaction of the solar wind w ...
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Heliosphere



The heliosphere is the bubble-like region of space dominated by the Sun, which extends far beyond the orbit of Pluto. Plasma ""blown"" out from the Sun, known as the solar wind, creates and maintains this bubble against the outside pressure of the interstellar medium, the hydrogen and helium gas that permeates the Milky Way Galaxy. The solar wind flows outward from the Sun until encountering the termination shock, where motion slows abruptly. The Voyager spacecraft have actively explored the outer reaches of the heliosphere, passing through the shock and entering the heliosheath, a transitional region which is in turn bounded by the outermost edge of the heliosphere, called the heliopause. The overall shape of the heliosphere is controlled by the interstellar medium, through which it is traveling, as well as the Sun, and does not appear to be perfectly spherical. The limited data available and unexplored nature of these structures have resulted in many theories.On September 12, 2013, NASA announced that Voyager 1 had exited the heliosphere on August 25, 2012, when it measured a sudden increase in plasma density of about forty times. Because the heliopause marks one boundary between the Sun's solar wind and the rest of the galaxy, a spacecraft such as Voyager 1 which has departed the heliosphere can be said to have reached interstellar space.
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