Similar channels are defined by the intersection of subscribers. The more subscribers two channels have in common, the more similar they are. In free version of the service you can see only top 15 similar channels.

Channels similar to Sierra Space

#	Channel	Category	Country	Language	Subscribers	Views	# videos	Created
1	SpaceX	Knowledge Lifestyle Society Technology			6.67M	721.87M	528	2008-07
2	NASA	Knowledge Society			12.1M	1.06B	5,853	2008-06
3	Everyday Astronaut	Knowledge Lifestyle Society Technology	United States 🇺🇸		1.62M	236.16M	444	2013-11
4	NASASpaceflight	Lifestyle Society Technology	United States 🇺🇸		1.07M	476.44M	3,832	2019-03
5	Blue Origin	Knowledge Lifestyle Society Technology	United States 🇺🇸		261K	31.17M	145	2013-03
6	Marcus House	Knowledge Lifestyle Society Technology	Australia 🇦🇺		531K	117.99M	380	2012-02
7	Real Engineering	Knowledge Lifestyle Technology	United States 🇺🇸		4.46M	532.41M	226	2013-09
8	Veritasium	Knowledge Lifestyle	United States 🇺🇸		15.8M	2.72B	402	2010-07
9	Curious Droid	Knowledge Lifestyle Society Technology	United Kingdom 🇬🇧		1.1M	239.8M	236	2011-08
10	European Space Agency, ESA	Knowledge Lifestyle Society Technology			1.1M	249.35M	4,859	2005-09
11	The Angry Astronaut	Knowledge Society	United States 🇺🇸		141K	34.73M	1,372	2019-05
12	DUST	Entertainment Lifestyle Movies	United States 🇺🇸		3.16M	393.17M	996	2016-07
13	Practical Engineering	Knowledge Lifestyle Technology	United States 🇺🇸		3.79M	379.4M	196	2007-02
14	SmarterEveryDay	Hobby Lifestyle Technology	United States 🇺🇸		11.5M	1.2B	380	2006-04
15	What about it!?	Knowledge Lifestyle Society Technology	United States 🇺🇸		454K	152.73M	652	2007-07