Earth-based Telescopes - 搜索视频

Telescopes 101 - NASA Science

Telescopes 101 - NASA Science

Telescopes 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. Refracting […]

nasa.gov2020年9月22日

Earth Documentary

‘The Year Earth Changed’: Uplifting Wildlife Documentary With David Attenborough Heralds Earth Day–WATCH

‘The Year Earth Changed’: Uplifting Wildlife Documentary With David Attenborough Heralds Earth Day–WATCH

goodnewsnetwork.org

2021年4月18日

BBC Earth - See the world closer than ever before. The New...

BBC Earth - See the world closer than ever before. The New...

FacebookBBC Earth

已浏览 14.7万次2017年4月5日

BBC Earth - Our brand new original series The Science of...

FacebookBBC Earth

已浏览 8.6万次2019年10月31日

热门视频

SOLVED: The smallest detail visible through Earth-based telescopes is about 1 arc second in diameter. What linear size is this on the Moon? (Hint: Use the small-angle formula.)

SOLVED: The smallest detail visible through Earth-based telescopes is about 1 arc second in diameter. What linear size is this on the Moon? (Hint: Use the small-angle formula.)

2023年10月26日

The Telescopes of the Future Might Assemble Themselves in Space

The Telescopes of the Future Might Assemble Themselves in Space

2018年5月2日

Exploring the Universe with the hubble and James Webb telescopes

Exploring the Universe with the hubble and James Webb telescopes

Microsoft NewsInteresting Engineering

2023年12月26日

Earth from Space

Earth From Space

Earth From Space

Science - Articles, Stories, Podcasts, Quizzes & Videos | BBC Earth

Science - Articles, Stories, Podcasts, Quizzes & Videos | BBC Earth

2021年4月15日

BBC Earth: Earth From Space: Tracking animals from space

BBC Earth: Earth From Space: Tracking animals from space

FacebookBBC Earth

已浏览 100.1万次2019年4月29日