Earth-based Telescopes - Search Videos

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 […]

Earth Documentary

BBC Earth 50 Top Natural History Moments | 45-41

BBC Earth 50 Top Natural History Moments | 45-41

FacebookBBC Earth

1.1M viewsApr 18, 2020

‘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

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

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

FacebookBBC Earth

146.6K viewsApr 5, 2017

Top videos

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.)

To calibrate telescopes on Earth, NASA's launching an 'artificial star' to orbit

To calibrate telescopes on Earth, NASA's launching an 'artificial star' to orbit

SPACE.comSharmila Kuthunur

The Best Telescopes For Observing Our Solar System and Beyond

The Best Telescopes For Observing Our Solar System and Beyond

popularmechanics.com

2K viewsFeb 14, 2017

Earth from Space

'Earth from Space' Documentary Reveals Cosmic View of Our Planet

'Earth from Space' Documentary Reveals Cosmic View of Our Planet

SPACE.comMiriam Kramer

Earth from Space: Space Coast, Florida

Earth from Space: Space Coast, Florida

Earth From Space

Earth From Space