JPL and the Space Age: The Hunt for Space Rocks
1:52:16
YouTubeNASA Jet Propulsion Laboratory
JPL and the Space Age: The Hunt for Space Rocks
Asteroids and comets are among the oldest objects in our solar system. They mostly reside at safe distances from Earth, but some find their way into our planetary backyard. Every day, the Earth receives visitors from outer space: tons of space debris that mostly goes unnoticed. Some of these “shooting stars,” however, do survive the fiery ...
已浏览 567.1万 次2023年6月15日
短视频
Age of Exploration: 1000 AD - 1616 | America | United States history | Discovery Voyages | Columbus
9:20
已浏览 43.5万 次
Age of Exploration: 1000 AD - 1616 | America | United States history | Discovery
Jeffrey the Librarian
The Age of Discovery: A Complete Overview
55:42
已浏览 29.1万 次
The Age of Discovery: A Complete Overview
Made In History
American Civil War
1861-1865: The Complete Story Of The American Civil War | History Of Warfare | Timeline
54:41
1861-1865: The Complete Story Of The American Civil War | History Of Warfare | Timeline
YouTubeTimeline - World History
已浏览 127.7万 次2023年4月25日
The Civil War, Part I: Crash Course US History #20
12:01
The Civil War, Part I: Crash Course US History #20
YouTubeCrashCourse
已浏览 587.7万 次2013年6月28日
Civil War Combat: The Bloody Battle of Antietam Creek (S1, E2) | Full Episode
45:00
Civil War Combat: The Bloody Battle of Antietam Creek (S1, E2) | Full Episode
YouTubeHISTORY
已浏览 83.2万 次2022年8月5日
热门视频
Ocean Watch | A Tale of Deep Sea Exploration
40:13
Ocean Watch | A Tale of Deep Sea Exploration
YouTubeNatural World Facts
已浏览 171.8万 次2024年3月15日
NOAA Titanic Expedition 2004: Breathtaking Wreck Footage
5:53
NOAA Titanic Expedition 2004: Breathtaking Wreck Footage
YouTubeoceanexplorergov
已浏览 727万 次2007年12月18日
JPL and the Space Age: Landing on Mars
59:48
JPL and the Space Age: Landing on Mars
YouTubeNASA Jet Propulsion
已浏览 90.9万 次2022年12月23日
American Revolution
The American Revolution: Bloody Struggle For Freedom *3 HOUR MARATHON* | The Revolution
2:56:12
The American Revolution: Bloody Struggle For Freedom *3 HOUR MARATHON* | The Revolution
YouTubeHISTORY
已浏览 1452.4万 次2023年6月30日
American Revolutionary War - Timelines and Maps - Animated US History
9:17
American Revolutionary War - Timelines and Maps - Animated US History
YouTubeHistory on Maps
已浏览 68.5万 次2020年11月12日
The Revolutionary War in 36 Minutes
36:51
The Revolutionary War in 36 Minutes
YouTubeAmerican Battlefield Trust
已浏览 21.6万 次2022年12月23日