new telescope 1.78   Critics have labeled the new telescope a dud.
  powerful telescope 1.65   Precise measurements may have to await the development of more powerful telescopes.
  small telescope 1.65   A small telescope would not be wasted.
  ground-based telescope 1.45   And Luu, for one, is planning to train ground-based telescopes on the comet belt.
  ultraviolet telescope 1.38   The first satellite, an ultraviolet telescope, was released eight hours after takeoff.
  large telescope 1.32   Only very large telescopes are capable of detecting it at all.
  optical telescope 1.25   ...optical telescopes.
  orbiting telescope 0.92   The orbiting Hubble telescope also will be catching the show.
  infrared telescope 0.79   Infrared telescope glimpses colliding galaxies.
  giant telescope 0.46   A giant telescope currently under design will give astronomers a deeper view of space.
  big telescope 0.39   Big telescopes are expensive.
  amateur telescope 0.33   Through amateur telescopes these faint gas clouds appear gray and unexciting.
  conventional telescope 0.33   Radio telescopes monitor radio waves coming from stars rather than light as conventional telescopes do.
  earthbound telescope 0.33   ...earthbound telescopes.
  larger telescope 0.33   Plans are under way for larger telescopes in the northern hemisphere.
  the telescope 0.33   The six telescopes will track the sun throughout the day.
  astronomical telescope 0.26   The idea of using a liquid mirror in an astronomical telescope is not new.
  european telescope 0.26   A European infrared telescope was in orbit today after it was launched by an Ariane rocket from this South American territory.
  existing telescope 0.26   No existing telescope can take pictures of a planet around another star.
  largest telescope 0.26   Normally stars appear as nothing but specks, even through the largest telescopes.
每页显示:    共 20 条