crab nebula造句
1. And here you see the Crab Nebula.
2. The remnants today are seen as Crab Nebula.
3. Its remnants form the Crab Nebula.
4. This composite image of the Crab Nebula combines a Chandra X-ray image in light blue with the Spitzer Space Telescope infrared image in red and Hubble Space Telescope’s optical image.
5. Astrophysicists have long thought of the Crab Nebula as a steady "standard candle" in X-ray wavelengths.
6. The Crab Nebula is the brightest source of reasonably steady high-energy radiation (X-rays and gamma rays) in the sky.
7. Explanation: The Crab Nebula is cataloged as M1, the first object on Charles Messier 's famous list of things which are not comets.
8. An unexpectedly varying Crab Nebula might have affected any research that used the Crab as a standard or a calibration tool.
9. I want to show you the Crab Nebula, and I think I will also show you the beautiful flywheels in the Magnet Lab.
10. The Crab Nebula, one of the most-studied celestial objects, is the remnant of a supernova that was observed by Chinese astronomers in 1054.
11. The Crab Nebula lies about 6, 500 light - years away in the constellation Taurus.
12. The Crab Nebula, the result of a supernova seen in 1054 AD, is filled with mysterious filaments.
13. This computer processed image shows the Crab Nebula pulsar (below and right of center) and the Geminga pulsar (above and left of center) in the "light" of gamma-rays.
14. The results showed that radiation from the Crab Nebula saw a steady decline totaling 7% over the past two years at four high-energy X-ray bands (in the range of 12, 000 to 500, 000 electron-volts).
15. Like its cousin in astrophysical waters the Crab Nebula supernova remnant, IC 443 is known to harbor a neutron star, the remnant of the collapsed stellar core.
16. We have identified the Crab Nebula as the debris of this explosion.
17. OK, then find, the rings of Supernova 1987A, the Eskimo Nebula, the Crab Nebula, Thor's Helmut, the Carhwheel Galaxy, and the Ant Nebula.
18. It is a neutron star and it is located in the Crab Nebula.
18.try its best to collect and create good sentences.
19. In brilliant blue, this is the pulsar wind nebula of the Crab Nebula in the constellation of Taurus.
20. It's on the Web, and I show you a picture that many of you probably haven't seen yet, which is the center part of the Crab Nebula, and the pulsar is located here.
21. A stroboscopic picture, a stroboscopic exposure was made of the center portion of the Crab Nebula.
22. And Chandra made a picture very recently of the Crab Nebula, of the pulsar, and that's what I want to show you now.
23. I called my radio astronomy friends yesterday and I asked them, "What is the rotation period of the neutron star in the Crab Nebula?"