2025年2月7日 · Explore the night sky with the best telescopes to suit every budget and experience level, perfect for observing February's Snow Moon and spectacular planetary parade. When you purchase through...

A telescope is a device used to observe distant objects by their emission, absorption, or reflection of electromagnetic radiation. [1] . Originally, it was an optical instrument using lenses, curved mirrors, or a combination of both to observe distant objects – an optical telescope.

Celestron - NexStar 8SE Telescope - Computerized Telescope for Beginners and Advanced Users - Fully-Automated GoTo Mount - SkyAlign Technology - 40,000+ Celestial Objects - 8-Inch Primary Mirror

3 天之前 · telescope, device used to form magnified images of distant objects. The telescope is undoubtedly the most important investigative tool in astronomy. It provides a means of collecting and analyzing radiation from celestial objects, even those in the far reaches of the universe.

4 天之前 · Although space telescopes such as NASA’s James Webb and retired Spitzer have detected water, carbon dioxide, carbon monoxide, and other compounds in hundreds of targets, the SPHEREx observatory is the first to be uniquely equipped to conduct a large-scale survey of the galaxy in search of water ice and other frozen compounds.. Rather than taking 2D images …

2024年11月7日 · Few things are as awe-inspiring as being under a clear night sky, looking up, and gazing at a seemingly infinite array of stars overhead. So we rounded up 17 telescopes, and after years of star...

5 天之前 · The telescope recorded the ultrahigh energy neutrino in February 2023. But researchers needed two years to interpret and analyze the data, during which time they swung between elation and skepticism.

2024年11月29日 · If you’re looking to buy your first telescope—or your first good telescope—this guide is for you. I’ll cover the most important aspects of a telescope, how much you should expect to spend, and provide four excellent examples to consider.

2024年4月23日 · Expert picks for the best telescopes for every budget, including the high-end Celestron CGX-L 1400 EdgeHD Computerized Telescope.

2024年10月22日 · Astronomers observe distant cosmic objects using telescopes that employ mirrors and lenses to gather and focus light. The size of the main mirror or lens determines how well a telescope can collect light. The larger a mirror or lens, the more light it collects, and the better its ability to detect fainter objects.