例句與造句

1. He also investigated extragalactic objects from Siding Spring Observatory and the Australian National Radio Astronomy Observatory.
2. Aquila also holds some extragalactic objects.
3. The HEAO A2 also allowed for the study of extragalactic objects, for example radio galaxies, Seyfert galaxies, and quasars.
4. Note that even the most luminous stars are much less luminous than the more luminous persistent extragalactic objects, such as quasars.
5. To measure the distance to extragalactic objects, a different tool is needed : a type of highly luminous star called a standard candle.
6. It's difficult to find extragalactic object in a sentence. 用extragalactic object造句挺難的
7. The telescope is intended for radio-astrophysical observations of extragalactic objects with ultra-high resolution, as well as researching of characteristics of near-Earth and interplanetary plasma.
8. In 1926, Edwin Hubble looked at the emission lines of NGC 1068 and two other such " nebulae " and classified them as extragalactic objects.
9. These experiments will select targets from a list of over 600 and observe objects ranging from some inside the solar system to individual stars, nebulae, supernova remnants, galaxies and active extragalactic objects.
10. NED is built around a master list of extragalactic objects for which cross-identifications of names have been established, accurate positions and redshifts entered to the extent possible, and some basic data collected.
11. Note that SIMBAD contains broad information on objects inside and outside the Milky Way, whereas NED primarily contains information on extragalactic objects ( i . e . objects outside the Milky Way ).
12. Believing that nebulae were local, stellar and gaseous systems that existed in our galaxy, his measurements came to be at odds with Edwin Hubble's discovery that the Andromeda Nebula and other spiral nebulae were extragalactic objects.
13. After earning his Ph . D ., Rather went to work for the National Radio Astronomy Observatory ( NRAO ) at Kitt Peak in Tucson, Arizona, where he built a state-of-the-art receiver for 1 millimeter wavelength for use in observing the sun, planets, and galactic and extragalactic objects.
14. No stars we can resolve with the unaided eye are " millions of light years away ", and I don't think any extragalactic objects visible to the naked eye appear star-like ( the brightest quasar is more than 6 talk ) 20 : 43, 11 August 2011 ( UTC)
15. The "'Cherenkov Telescope Array "'or "'CTA "'is a multinational, worldwide project to build a new generation ground-based gamma-ray instrument in the Imaging Atmospheric Cherenkov telescopes ( IACTs ), a first array at the Northern Hemisphere with emphasis on the study of extragalactic objects at the lowest possible energies, and a second array at the Southern Hemisphere, which is to cover the full energy range and concentrate on galactic sources.