Keywords: Interstellar Medium (11)

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Astronomy Picture of the Day: The Milky Way in Stars and Dust
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Astronomy Picture of the Day: The Milky Way in Stars and Dust

This Astronomy Picture of the Day (APOD) shows the view toward the ... (more)

This Astronomy Picture of the Day (APOD) shows the view toward the center of the Milky Way Galaxy, as seen from a dark location in Chile. The site includes describes the interstellar dust, including the complex network of dust filaments within the galaxy's center. Links provide further information. (less)

Subject:
Physics
Space Science
Material Type:
Images and Illustrations
Reference
Provider:
ComPADRE Digital Library
Provider Set:
ComPADRE: Resources for Physics and Astronomy Education
Have You Seen the Zodiacal Light?
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Have You Seen the Zodiacal Light?

This article from Sky & Telescope describes how to observe the zodiacal ... (more)

This article from Sky & Telescope describes how to observe the zodiacal light, which is caused by light scattering from solar system dust. The optimum locations, times of the day, and months are mentioned. A photograph illustrates the phenomenon, and the diagram shows the relative positions of the sun, the earth, and a band of solar system dust. Visitors to the site can comment on their observations. (less)

Subject:
Physics
Space Science
Education
Material Type:
Reference
Provider:
ComPADRE Digital Library
Provider Set:
ComPADRE: Resources for Physics and Astronomy Education
IBEX Electronic Resource for Museum Educators
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IBEX Electronic Resource for Museum Educators

This material is a comprehensive educational resource for informal educators highlighting the ... (more)

This material is a comprehensive educational resource for informal educators highlighting the major mission information and science background for the Interstellar Boundary Explorer mission, a Small Explorer Earth-orbiting spacecraft that is designed to map the distant boundary between the solar wind from our Sun and the interstellar medium. New for 2012, this material also includes a comprehensive overview of all of the science results released through mid-2011 and information about the IBEX satellite's orbital change in June 2011. All of this material can be modified to use with informal education audiences, including museum and planetarium visitors, after–school clubs, and others. It is available as PDF .zip file and as a PowerPoint .zip file. The PowerPoint .zip file contains the newly–revised PowerPoint resource and its associated movie clips. The PDF .zip file contains a PDF version of the newly-revised PowerPoint resource, a PDF version of the Notes section for each of the slides, and the movie clips. Because movie clips cannot be embedded into the PDF slides, each movie clip file name contains its associated slide number so users can play the movie clip alongside the slide. (less)

Subject:
Engineering
Space Science
Technology
Material Type:
Instructional Material
Lecture Notes
Provider:
NASA
Provider Set:
NASA Wavelength
IBEX: Search for the Edge of the Solar System
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IBEX: Search for the Edge of the Solar System

This fulldome and flat-screen planetarium show follows the creation of NASA's Interstellar ... (more)

This fulldome and flat-screen planetarium show follows the creation of NASA's Interstellar Boundary Explorer spacecraft, giving audiences an in-depth look at the mission and how IBEX is collecting high-speed atoms to create a map of the boundary of our Solar System. Narrated by two inquisitive teenagers, audiences will hear from the scientists and engineers that developed the IBEX mission and created the spacecraft, and get the latest updates on the mission's discoveries. The show runs 28 minutes in length and incorporates animation, scientific visualization, and video elements. It is available to museums, planetariums, and other informal and formal education venues with no licensing fee. (less)

Subject:
Engineering
Physics
Space Science
Technology
Material Type:
Instructional Material
Provider:
NASA
Provider Set:
NASA Wavelength
The Interstellar Medium
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The Interstellar Medium

This site offers information about the interstellar medium. It discusses what the ... (more)

This site offers information about the interstellar medium. It discusses what the interstellar medium is, how it has developed, how astronomers know what they know, and interactions with the Solar System. There is both basic and more advanced material. There are also links to other websites with more information. (less)

Subject:
Chemistry
Engineering
Physics
Space Science
Technology
Material Type:
Instructional Material
Reference
Provider:
ComPADRE Digital Library
Provider Set:
ComPADRE: Resources for Physics and Astronomy Education
Author:
UNH Experimental Space Plasma Group
Introduction to Astronomy, Spring 2003
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Introduction to Astronomy, Spring 2003

Quantitative introduction to physics of the solar system, stars, interstellar medium, the ... (more)

Quantitative introduction to physics of the solar system, stars, interstellar medium, the Galaxy, and Universe, as determined from a variety of astronomical observations and models. Topics: planets, planet formation; stars, the Sun, "normal" stars, star formation; stellar evolution, supernovae, compact objects (white dwarfs, neutron stars, and black holes), plusars, binary X-ray sources; star clusters, globular and open clusters; interstellar medium, gas, dust, magnetic fields, cosmic rays; distance ladder; galaxies, normal and active galaxies, jets; gravitational lensing; large scaling structure; Newtonian cosmology, dynamical expansion and thermal history of the Universe; cosmic microwave background radiation; big-bang nucleosynthesis. No prior knowledge of astronomy necessary. Not usable as a restricted elective by physics majors. (less)

Subject:
Science and Technology
Material Type:
Assessments
Full Course
Homework and Assignments
Lecture Notes
Syllabi
Provider:
M.I.T.
Provider Set:
MIT OpenCourseWare
Author:
Rappaport, S. A.
Introduction to Astronomy, Spring 2006
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Introduction to Astronomy, Spring 2006

This course includes Quantitative introduction to physics of the solar system, stars, ... (more)

This course includes Quantitative introduction to physics of the solar system, stars, interstellar medium, the Galaxy, and Universe, as determined from a variety of astronomical observations and models. Topics: planets, planet formation; stars, the Sun, "normal" stars, star formation; stellar evolution, supernovae, compact objects (white dwarfs, neutron stars, and black holes), plusars, binary X-ray sources; star clusters, globular and open clusters; interstellar medium, gas, dust, magnetic fields, cosmic rays; distance ladder; galaxies, normal and active galaxies, jets; gravitational lensing; large scaling structure; Newtonian cosmology, dynamical expansion and thermal history of the Universe; cosmic microwave background radiation; big-bang nucleosynthesis. No prior knowledge of astronomy necessary. Not usable as a restricted elective by physics majors. (less)

Subject:
Science and Technology
Material Type:
Assessments
Full Course
Homework and Assignments
Syllabi
Provider:
M.I.T.
Provider Set:
MIT OpenCourseWare
Author:
Rappaport, Saul
Model of the Heliosphere Over the Solar Cycle
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Model of the Heliosphere Over the Solar Cycle

This magnetohydrodynamical (MHD) model shows how the heliosphere of the Sun might ... (more)

This magnetohydrodynamical (MHD) model shows how the heliosphere of the Sun might interact with the local interstellar medium (ISM) over the course of a single 11 year solar cycle. The sun (and the orbit of the Earth) is located in the tiny blue region in the center. The ISM is moving from left to right. The solar wind varies from 400 km-s up to 566 km-s and back down to 400 km-s over the cycle in this particular model. The colors are logarithmically scaled to represent temperature, with blue around 10,000 Kelvins (in the undisturbed ISM and the region immediately around the Sun) and red over 1,000,000 Kelvins (corresponding to the bow shocked region in the plasma). The green region around the Sun has a radius that varies between 100-200 Astronomical Units. (less)

Subject:
Science and Technology
Material Type:
Other
Provider:
NASA
UCAR Staff
Provider Set:
NASA GSFC Scientific Visualization Studio
Scientific Visualization Studio
Author:
Hans-Reinhard Mueller
Tom Bridgman
Particle Detection Activity
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Particle Detection Activity

This interactive demonstration explains how the Interstellar Boundary Explorer (IBEX) spacecraft uses ... (more)

This interactive demonstration explains how the Interstellar Boundary Explorer (IBEX) spacecraft uses its particle detectors to collect and sort particles that come from the boundary of the Solar System. (less)

Subject:
Mathematics
Chemistry
Computing and Information
Engineering
Geoscience
Physics
Space Science
Technology
Social Sciences
Education
Material Type:
Activities and Labs
Data
Instructional Material
Interactive
Lesson Plans
Simulations
Provider:
NASA
Science and Math Informal Learning Educators (SMILE)
UCAR Staff
Provider Set:
NASA Wavelength
SMILE Pathway: Science and Math Activities in One Search
NASA Earth and Space Science Reviewed Collection
Author:
Lindsay Bartolone
NASA
Shapley's Globular Clusters
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Shapley's Globular Clusters

The EJS Shapley's Globular Clusters Model shows the distribution of globular clusters ... (more)

The EJS Shapley's Globular Clusters Model shows the distribution of globular clusters around the plane of the Milky Way as determined by Harlow Shapley in 1918. The Space View frame shows a 3D view of the distribution of the clusters around the galactic plane, along with the location of the Sun and Shapley's location for the galactic center (as well as the boundary of what Shapley called the "Big Galaxy") as determined by the cluster distribution. Globular clusters are shown in different colors depending on how their distances were determined: using Cepheid variables (red), brightest stars in the cluster (green), or apparent diameter of the cluster (blue). Other windows show a plot of the cluster locations projected onto the galactic plane, a plot of the number of clusters versus galactic longitude (showing a peak toward Shapley's proposed galactic center), and a histogram of distances from the galactic plane (showing a dearth of clusters very close to the plane). The simulation allows the viewer to adjust Shapley's distances to account for the effects of absorption. Absorption by dust in the galactic plane caused the cluster stars to appear dimmer than they should be from distance alone. This led Shapley to overestimate their distances, with larger errors for clusters near the galactic plane where absorption effects are greatest. The simulation uses a model for absorption proposed by Joel Stebbins in 1933. Stebbins assumed a thin (1 kpc thick), uniform absorbing layer along the galactic plane, with light passing perpendicularly through the plane being dimmed by 0.36 magnitudes. A slider in the simulation allows the user to adjust the dimming produced by the absorbing layer from 0 (Shapley's assumed value) up to 0.36 (the value found by Stebbins). The simulation will also display Stebbins' revised galactic center and boundary, which essentially matches the modern view of the Milky Way. (less)

Subject:
History, Law, Politics
Life Science
Physics
Space Science
Education
Material Type:
Full Course
Instructional Material
Interactive
Provider:
ComPADRE Digital Library
Provider Set:
ComPADRE: Resources for Physics and Astronomy Education
Author:
Todd Timberlake
Sun Earth Connection Education Forum: Missions
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Sun Earth Connection Education Forum: Missions

This portal provides links to the homepages of twenty-seven NASA missions whose ... (more)

This portal provides links to the homepages of twenty-seven NASA missions whose objectives involve Sun-Earth studies. Research topics include the nature of interactions between the solar wind and Earth's atmosphere, the nature of electrodynamic activities in Earth's ionosphere and magnetosphere, and the properties of Earth's geotail and magnetotail. Where available, links to education and outreach pages for these missions are also provided. (less)

Subject:
Chemistry
Geoscience
Life Science
Physics
Space Science
Education
Provider:
UCAR Staff
Provider Set:
NASA Earth and Space Science Education Collection
Author:
The Sun-Earth Connection Education Forumm NASA/GSFC, UCB/SSL
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