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What type of telescope is a Newtonian telescope? What is a non-optical telescope? What can a telescope be used for in general? What is a Maksutov-Cassegrain telescope? What is a refracting telescope used for? What is radio astronomy?
根据第二段中“The most direct approach is to take a picture of it with a telescope. However, more effective way is to use "the Doppler technique". This involves analyzing starlight for evidence that the star's movement is affected by the gravitational pull of a planet. (最直接的方法是用...
"Astronomy Minute" What is Seeing and the Resolving Power of a Telescope? (Podcast Episode 2021) - Movies, TV, Celebs, and more...
What is stellar astronomy? What is ephemeris in astronomy? What kind of spectra does a Hubble Telescope have? What famous scientist first used a telescope for astronomical observations? What wavelength does the Hubble Telescope use? What is a cepheid variable star?
Setting up my Schmidt-Cassegrain telescope for a night of astrophotography. If you are a beginner and looking to purchase your first telescope, it is recommended that you have a clear vision of what you want to use it for (e.g., visual, photography, planetary, deep-sky, etc.), your av...
My role model is a scientist of unparalleled (无与伦比的) achievements.As the leading engineer of China's 500-meter Aperture Spherical Telescope,his story shows me (64)___ makes a great scientist.For decades,he devoted (65)___(him) to the study of astronomy in the remote areas in ...
When I was a teenager, my dream telescope was a C8. That dream is long gone.. like you I already have all my dream telescopes and I would never have thought to have them at the same time. therealdmt likes this #61 Roman M
Observing the night sky can be done with no special equipment, although a sky map can be very useful, and a good telescope or binoculars will enhance some experiences and bring some otherwise invisible objects into view. You can also use astronomy accessories to make your observing easier, and...
To watch one, you simply go out, look up and enjoy. You don't need a telescope or any other special equipment. However, binoculars or a small telescope will bring out details on the lunar surface — moonwatching is as interesting during an eclipse as it is at any other time. ...