What is a good telescope for Variable Stars?Ed Wiley
said Alice.“I must be shutting up like a telescope.”And so it was indeed: shewas now only ten inches high,and her face brightened up at the thought that shewas now the right size for going through the little door into that lovelygarden.First,however,she waited for a few minutes to ...
(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 China.He didn't care (66)___ being famous a...
Page 1 of 3 - What type of telescope for beginners? - posted in Beginners Forum (No Astrophotography): This is my 2nd go round with astronomy, first 25 years ago with my son, I purchased a 50 mm refractor at the local hobby shop, no clue what brand, it
Some minds are so exceptional they change the world. We don’t know exactly why these people soar above the rest of us, but science offers us clues.
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...
Designed by Bernhard Schmidt in 1930, the Schmidt telescope was intended to be made with relatively easy to manufacture components. The corrector plate on the telescope corrects for the spherical aberration produced by the the primary mirror.
The mirror on a telescope is what captures and focuses the light the telescope was designed to view. The larger the mirror in a reflecting telescope the more light it's able to capture and therefore the more distant and dim objects it's able to see....
With improved timekeeping and the then-recent invention of the telescope, Wendelen obtained a measurement of half an hour for the discrepancy, which is significantly better than Aristarchus’s calculation of six hours, but still a little bit off from the true value of 18 minutes. (As such, ...
To examine using an optical instrument such as a telescope or an endoscope Scoped the stars around Orion. Scoped the patient's esophagus. Opportunity Importunity; earnestness. Scope The breadth, depth or reach of a subject; a domain. Opportunity A possibility due to a favorable combination of ci...