How Many Galaxies Are There?
5:35
YouTubeSciShow Space
How Many Galaxies Are There?
We've been trying to count the galaxies in the universe since the mid '90s, but our estimates change as our tools improve. So what does our current estimate really mean? Hosted by: Reid Reimers ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon ...
已浏览 27.3万 次2018年1月30日
Universe Documentary
The Story of Everything: How the Universe Was Born | FULL DOCUMENTARY
53:47
The Story of Everything: How the Universe Was Born | FULL DOCUMENTARY
YouTubeNaked Science
已浏览 7321 次1 个月前
Journey To The Edge Of The Universe | Full Documentary
1:31:28
Journey To The Edge Of The Universe | Full Documentary
YouTubeNaked Science
已浏览 38.3万 次6 个月之前
2+ Hours Of Exploring Our Fascinating Universe | Full Series | BBC Earth Science
2:05:55
2+ Hours Of Exploring Our Fascinating Universe | Full Series | BBC Earth Science
YouTubeBBC Earth Science
已浏览 141.1万 次2023年10月9日
热门视频
How do we know how many galaxies there are in the Universe?
4:58
How do we know how many galaxies there are in the Universe?
YouTubeEthan Siegel
已浏览 26.5万 次2011年10月13日
Galaxies: How Many Are There, and What’s Out There?
5:15
Galaxies: How Many Are There, and What’s Out There?
YouTubeUnreal Science
已浏览 3.9万 次3 个月之前
How Many Galaxies Are There in the Universe?
6:21
How Many Galaxies Are There in the Universe?
YouTubeAmazing Science Facts
已浏览 2930 次10 个月之前
Universe Mysteries
The Mind-Blowing Mysteries of the Universe | Space Documentary 2024
4:05:40
The Mind-Blowing Mysteries of the Universe | Space Documentary 2024
YouTubeSpacedust
已浏览 1.9万 次10 个月之前
Mysteries of the Universe | Space Documentary 2023
1:33:04
Mysteries of the Universe | Space Documentary 2023
YouTubeNow Next
已浏览 197.5万 次2023年6月24日
Top 10 Mysteries Of Outer Space | Unraveling the Secrets of the Universe (Full Documentary)
1:32:14
Top 10 Mysteries Of Outer Space | Unraveling the Secrets of the Universe (Full Documentary)
YouTubeExtreme Mysteries
已浏览 1.7万 次2023年6月15日
How do we know how many galaxies there are in the Universe?
4:58
How do we know how many galaxies there are in the Universe?
已浏览 26.5万 次2011年10月13日
YouTubeEthan Siegel
Galaxies: How Many Are There, and What’s Out There?
5:15
Galaxies: How Many Are There, and What’s Out There?
已浏览 3.9万 次3 个月之前
YouTubeUnreal Science
How Many Galaxies Are There in the Universe?
6:21
How Many Galaxies Are There in the Universe?
已浏览 2930 次10 个月之前
YouTubeAmazing Science Facts
Mind-Blowing Fact: How Many Galaxies Are in the Universe?
0:08
Mind-Blowing Fact: How Many Galaxies Are in the Universe?
已浏览 3.5万 次4 个月之前
YouTubeMr. Lightyear
How Many Galaxies Are There in the Universe?
0:05
How Many Galaxies Are There in the Universe?
已浏览 617 次4 个月之前
YouTubeFactfor-Science
How Many Galaxies in the Universe?
2:40
How Many Galaxies in the Universe?
已浏览 615 次2 个月之前
YouTubeWisdom for Life
How Many Galaxies Are in the Universe
0:21
How Many Galaxies Are in the Universe
已浏览 381 次4 个月之前
YouTubeZestory
5:44
Our Universe Has Trillions of Galaxies, Hubble Study
已浏览 352万 次2016年10月13日
YouTubeVideoFromSpace
3:53
Hubble's Field Guide to Galaxies
已浏览 6.2万 次2022年5月9日
YouTubeNASA Goddard
13:30
How BIG is the Universe? A Journey Through Space!
已浏览 1 次4 个月之前
YouTubeDaily Learning Facts
2:14
Family of Galaxies | How the Universe Works
已浏览 8.7万 次2014年5月15日
YouTubeScience Channel
3:11
List of galaxies
已浏览 1.8万 次2021年12月19日
YouTubeCharList
0:09
The Observable Universe: 93 Billion Light-Years and 2 Trillion Galaxies!
已浏览 1425 次5 个月之前
YouTubeMr. Lightyear
4:11
Solar System 101 | National Geographic
已浏览 3586.6万 次2017年8月30日
YouTubeNational Geographic
6:30
The Known Universe by AMNH
已浏览 1710.2万 次2009年12月15日
YouTubeAmerican Museum of Natural History
5:50
Origins of the Universe 101 | National Geographic
已浏览 786.1万 次2018年3月1日
YouTubeNational Geographic
37:01
Our Fascinating Universe - A Journey Through the Marvelous G…
已浏览 70.8万 次2023年4月29日
YouTubeAstro Horizons
5:55
Types Of Galaxies In Our Universe!
已浏览 18.3万 次2021年4月1日
YouTubeLets Explore Space
2:19
Hubble's Revolution | How the Universe Works
已浏览 10.6万 次2014年1月9日
YouTubeScience Channel
0:53
Size of the universe explained?🤔 by Brian Cox 😳
已浏览 1.1万 次9 个月之前
YouTubeInterstellar Insights
3:13:19
Essential Guide: 50 Fascinating Facts About Galaxy Formation an…
已浏览 1380 次4 个月之前
YouTubeGalactic Wanderlust
Trillions of Galaxies in Our Universe: Hubble Telescope’s Ne…
1 个月前
Microsoft News
7:10
Stars and Galaxies | The Universe | Middle School | Science | Khan Ac…
已浏览 4797 次8 个月之前
YouTubeKhan Academy India - English
4:28
Universe Size Comparison | 3d Animation Comparison | Stars Rea…
已浏览 4055.6万 次2022年10月20日
YouTubeGlobal Data
2:02:00
Origins of Our Galaxy in the Universe - Deep Space Documentary
已浏览 4205 次2 个月之前
YouTubeAstro Horizons
0:45
How Many Galaxies Are in the Universe? 🌌
已浏览 1527 次9 个月之前
YouTubeCosmic Mavericks
9:17
How Big Is the Universe? Counting the Galaxies
已浏览 47 次1 个月前
YouTubeScience and Space
23:48
Space Universe: Planets, Stars, and Galaxies Explained
已浏览 107 次1 个月前
YouTubeThe Orion Nebula 🌠
11:04
Exploring the Universe: Understanding the Different Type…
已浏览 612 次2024年9月4日
YouTubeGalaxy Wonders
观看更多视频
静态缩略图占位符