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extragalactic source造句

"extragalactic source"是什么意思   

例句與造句

  1. In 2013 four bursts were identified that supported the likelihood of extragalactic sources.
  2. On the other hand, VHE observations of extragalactic sources set upper limits to the EBL.
  3. It achieved the first definitive observation of high-energy cosmic gamma rays from both galactic and extragalactic sources.
  4. He also carried out systematic interferometric study of 21 cm absorption towards a large number of galactic and extragalactic sources.
  5. The extragalactic source catalogue was expanded to include 390 sources, and variability was detected in the emission from Mars and Saturn.
  6. It's difficult to find extragalactic source in a sentence. 用extragalactic source造句挺難的
  7. The first detection of 稢N in extragalactic sources were seen toward Sculptor Galaxy ( NGC 253 ), IC 342, and M82 In 1988.
  8. Martin et al . made the first spectral line survey towards an extragalactic source, targeting the starburst galaxy NGC253 across the frequency range 129.1-175.2 GHz.
  9. The nucleus of the extragalactic source Centaurus A was resolved into two separate components whose right ascensions were accurately determined with a 2.3-minute fan beam at 9.1 cm.
  10. In addition to investigating individual extragalactic sources, Odenwald collaborated with Dr . Alexander Kashlinsky and Dr . John Mather, who were investigating the cosmic infrared background, which as yet had not been detected by 1997.
  11. The " GaLactic and Extragalactic All-sky MWA " ( or " GLEAM " is a survey of 300, 000 extragalactic sources at 20 frequencies between 70 and 230 MHz that was carried out by the MWA.
  12. When there are often many individually discernible sources, the first one identified is usually designated as the extragalactic source X-1, e . g ., Small Magellanic Cloud ( SMC ) X-1, a HMXRB, at 01 h 15 m 14 s-73 h 42 m 22 s.
  13. Knowing that Centaurus A was composite, Bracewell used the 6.7-minute beam of the Parkes Observatory 64 m radiotelescope at 10 cm to determine the separate declinations of the components and in so doing was the first to observe strong polarisation in an extragalactic source ( 1962 ), a discovery of fundamental significance for the structure and role of astrophysical magnetic fields.
  14. Because of the widespread interest in interstellar formaldehyde it has recently been extensively studied, yielding new extragalactic sources, including NGC 253, NGC 520, NGC 660, NGC 891, NGC 2903, NGC 3079, NGC 3628, NGC 6240, NGC 6946, IC 342, IC 860, Arp 55, Arp 220, M82, M83, IRAS 10173 + 0828, IRAS 15107 + 0724, and IRAS 17468 + 1320.
  15. The HEAO-1 A2 full-sky cosmic X-ray experiment ( 1977-1979 ) provided the most comprehensive data ( still the most definitive ) on the cosmic X-ray background broadband spectrum and large-scale structure, and a much used complete sample of the brightest extragalactic sources; it posed the challenging " spectral paradox " just now being unraveled with new results on evolution ( from deep surveys ) and on individual source spectra extending into the gamma-ray band.

相鄰詞匯

  1. "extragalactic nebulas"造句
  2. "extragalactic object"造句
  3. "extragalactic planet"造句
  4. "extragalactic radio astronomy"造句
  5. "extragalactic radio source"造句
  6. "extragalactic space"造句
  7. "extragalactic system"造句
  8. "extragastric"造句
  9. "extragear"造句
  10. "extragenic"造句
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