正在加载视频...

视频加载失败

返回首页

Carl Sagan in 1990 with a very compelling argument still relevant today.

ProfCarlSagan's profile picture

Prof. Carl Sagan

72,565 subscribers

118,308 次观看 • 8 天前 •via X (Twitter)

科学技术教育
LIVE

Anya Rossi• Live Now

Private livecam show

0 条评论

暂无评论

原始帖子的评论将显示在这里

相关视频

Prophetic words from Carl Sagan way back in 1995. The words of a soothsayer. Even more relevant today.
1:27

Prophetic words from Carl Sagan way back in 1995. The words of a soothsayer. Even more relevant today.

James Melville 🚜

158,011 次观看 • 2 年前

Carl Sagan gave a warning in 1996 that feels even more urgent today.
1:07

Carl Sagan gave a warning in 1996 that feels even more urgent today.

Prof. Carl Sagan

13,445 次观看 • 5 个月前

The little boy made a very compelling argument..
0:58

The little boy made a very compelling argument..

ScenesThatSlap

28,165 次观看 • 7 个月前

Science Class with Carl Sagan.
2:28

Science Class with Carl Sagan.

Prof. Carl Sagan

78,236 次观看 • 6 个月前

Carl Sagan in 1986 on the problems with media and science literacy
2:03

Carl Sagan in 1986 on the problems with media and science literacy

CarlSaganDotCom

100,197 次观看 • 1 年前

Carl Sagan has a warning from 1995. “Who’s in charge…”
0:20

Carl Sagan has a warning from 1995. “Who’s in charge…”

Brian Roemmele

59,913 次观看 • 2 年前

Carl Sagan called it in 1995 …
1:26

Carl Sagan called it in 1995 …

Piyush Mittal 🇺🇸🇺🇦🟧🌊🌈

821,547 次观看 • 1 年前

Fascinating Happy Carl Sagan Day ❤️ This video is from when he unveiled the Pale Blue Dot image at a press conference on the Voyager missions in 1990.
0:55

Fascinating Happy Carl Sagan Day ❤️ This video is from when he unveiled the Pale Blue Dot image at a press conference on the Voyager missions in 1990.

bk.

181,397 次观看 • 2 年前

Do you agree with Carl Sagan? 🎬 CarlSaganDotCom
5:50

Do you agree with Carl Sagan? 🎬 CarlSaganDotCom

Saganism

115,662 次观看 • 1 年前

Listen again... This is today still very much relevant.
2:06

Listen again... This is today still very much relevant.

Danny Nel

82,805 次观看 • 10 个月前

“Mites on a Plumb”—Carl Sagan
0:59

“Mites on a Plumb”—Carl Sagan

Brian Roemmele

23,295 次观看 • 1 年前

Do you agree with Carl Sagan? (🎥Source; CarlSaganDotCom )
5:50

Do you agree with Carl Sagan? (🎥Source; CarlSaganDotCom )

Prof. Carl Sagan

176,513 次观看 • 1 年前

Carl Sagan explains the fourth dimension with rare simplicity
7:19

Carl Sagan explains the fourth dimension with rare simplicity

Saganism

47,206 次观看 • 7 个月前

Carl Sagan Explains 4th Dimension in simple terms
6:59

Carl Sagan Explains 4th Dimension in simple terms

Prof. Carl Sagan

149,599 次观看 • 7 个月前

Carl Sagan on the double standards held by policy makers. From the 1990 Emerging Issues Forum McKimmon Center, NC State University
4:04

Carl Sagan on the double standards held by policy makers. From the 1990 Emerging Issues Forum McKimmon Center, NC State University

CarlSaganDotCom

49,718 次观看 • 3 年前

Carl Sagan calling out the mainstream media in 1987.
0:58

Carl Sagan calling out the mainstream media in 1987.

Wonder of Science

582,301 次观看 • 2 年前

A compelling argument.
0:20

A compelling argument.

Typical African

10,922 次观看 • 7 个月前