The Unified Astronomy Thesaurus

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Zero-age main sequence stars original
unstar this property dcterms modified equal to or less than 2018-09-13T14:54:43Zequal to or more than 2018-09-13T14:54:43Z
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Main sequence stars original
Zero-age horizontal branch stars original
unstar this property dcterms modified equal to or less than 2018-09-14T17:06:42Zequal to or more than 2018-09-14T17:06:42Z
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Horizontal branch stars original
Zeeman-Doppler imaging original
unstar this property dcterms modified equal to or less than 2018-09-20T17:31:35Zequal to or more than 2018-09-20T17:31:35Z
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Doppler imaging original
Young stellar objects original
unstar this property dcterms modified equal to or less than 2018-09-13T16:59:23Zequal to or more than 2018-09-13T16:59:23Z
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Protostars original
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FU Orionis stars original
Herbig Ae/Be stars original
Herbig-Haro objects original
T Tauri stars original
Yerkes classification original
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Stellar classification original
Yellow straggler stars original
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Stellar evolutionary types original
Y dwarfs original
star this property dcterms created equal to or less than 2016-11-02T16:04:07Zequal to or more than 2016-11-02T16:04:07Z
unstar this property dcterms modified equal to or less than 2018-09-20T21:03:03Zequal to or more than 2018-09-20T21:03:03Z
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Brown dwarfs original
Xenobiology original
unstar this property dcterms modified equal to or less than 2018-09-20T14:28:46Zequal to or more than 2018-09-20T14:28:46Z
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Astrobiology original
star this property definition "the study of synthesizing and manipulating biological devices and systems" - Wikipedia
X-ray transient sources original
star this property dcterms created equal to or less than 2017-03-20T21:13:51Zequal to or more than 2017-03-20T21:13:51Z
unstar this property dcterms modified equal to or less than 2018-09-06T16:23:46Zequal to or more than 2018-09-06T16:23:46Z
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X-ray sources original
Transient sources original
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X-ray bursters original
X-ray sources original
unstar this property dcterms modified equal to or less than 2018-08-29T18:46:01Zequal to or more than 2018-08-29T18:46:01Z
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Astronomical radiation sources original
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X-ray transient sources original
Cool cores original
Diffuse x-ray background original
X-ray bursts original
X-ray point sources original