The Resource Astronomy-- probing the first stars & galaxies

Astronomy-- probing the first stars & galaxies

Label
Astronomy-- probing the first stars & galaxies
Title
Astronomy-- probing the first stars & galaxies
Title variation
Astronomy-- probing the first stars and galaxies
Contributor
Subject
Genre
Language
eng
Summary
Visible light, which can be seen with our eyes, comprises a small sliver of the electromagnetic spectrum. The rest of the spectrum, from short wavelength gamma rays to long-wavelength radio waves, requires special instruments to detect. ALMA uses and array of radio telescopes to detect and study radio waves from space. Radio telescopes are typically large parabolic dish antennas used singly or in an array. Radio observatories are preferentially located far from major centers of population to avoid electromagnetic interference (EMI) from radio, TV, radar, and other EMI emitting devices. This is similar to the locating of optical telescopes to avoid light pollution, with the difference being that radio observatories are often placed in valleys to further shield them from EMI as opposed to clear air mountain tops for optical observatories. ALMA is an advanced tool for studying very old stars and galaxies. These objects now are seen at great cosmic distances, with most of their light stretched out to millimeter and sub-millimeter wavelengths by the expansion of the universe. ALMA provides the unprecedented ability to study the processes of star and planet formation. Unimpeded by the dust that obscures visible-light observations, ALMA will be able to reveal the details of young, still-forming stars, and is expected to show young planets still in the process of developing. In addition, ALMA will allow scientists to learn in detail about the complex chemistry of the giant clouds of gas and dust that spawn stars and planetary systems
Cataloging source
UtOrBLW
Characteristic
videorecording
Date time place
Originally produced by TMW Media in 2005
http://library.link/vocab/relatedWorkOrContributorName
Kanopy (Firm)
Runtime
13
http://library.link/vocab/subjectName
  • Astronomy
  • Radio astronomy
  • Radio telescopes
Technique
live action
Label
Astronomy-- probing the first stars & galaxies
Link
Instantiates
Publication
Note
Title from title frames
Antecedent source
unknown
Carrier category
online resource
Carrier category code
cr
Carrier MARC source
rdacarrier
Configuration of playback channels
unknown
Content category
two-dimensional moving image
Content type code
tdi
Content type MARC source
rdacontent
Dimensions
unknown
Extent
1 online resource (1 video file, approximately 13 min.)
File format
unknown
Form of item
online
Level of compression
unknown
Media category
computer
Media MARC source
rdamedia
Media type code
c
Medium for sound
other
Other physical details
digital, .flv file, sound
Publisher number
1101843
Quality assurance targets
not applicable
Reformatting quality
unknown
Sound
sound
Sound on medium or separate
sound on medium
Specific material designation
  • other
  • remote
System control number
(OCoLC)956895459
System details
Mode of access: World Wide Web
Video recording format
other
Label
Astronomy-- probing the first stars & galaxies
Link
Publication
Note
Title from title frames
Antecedent source
unknown
Carrier category
online resource
Carrier category code
cr
Carrier MARC source
rdacarrier
Configuration of playback channels
unknown
Content category
two-dimensional moving image
Content type code
tdi
Content type MARC source
rdacontent
Dimensions
unknown
Extent
1 online resource (1 video file, approximately 13 min.)
File format
unknown
Form of item
online
Level of compression
unknown
Media category
computer
Media MARC source
rdamedia
Media type code
c
Medium for sound
other
Other physical details
digital, .flv file, sound
Publisher number
1101843
Quality assurance targets
not applicable
Reformatting quality
unknown
Sound
sound
Sound on medium or separate
sound on medium
Specific material designation
  • other
  • remote
System control number
(OCoLC)956895459
System details
Mode of access: World Wide Web
Video recording format
other

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