What Is the Habitable Zone?

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Published 2021-04-26

There's a helpful concept we use to help understand what distance from a given star you might expect to find planets with liquid water on their surface – liquid water being essential for life as we know it. It's called the habitable zone. Every star has a habitable zone, but where that zone lies is different for stars of different sizes and brightness.

Credit: NASA/JPL-Caltech

All Comments (21)

@LouisKnowlesUKWeather 3 years ago

Imagine being a part of the generation of humans that are alive when another form of life is found and contacted
@DannyECO7 3 years ago

Love these short educational videos.
@xCaleb 3 years ago

“The wet stuff itself, water” Did NASA confirm that water is wet?
@icannotcomeupwithanything4609 3 years ago

I remember watching something similar to this in documentary when I was a lot younger. Space will forever be amaze me. 😁
@shannespaldon2799 3 years ago

More relatable than science teaching in school
@derpynoivern4815 3 years ago

I would love if you combined some of these ideas, and basically pay people to write video essays on space.
@Maxsmell100 3 years ago

If they showed this in my science class we would have finished an entire unit in 2:20...
@rojeezee 3 years ago

I learned more about Astronomy in this 2 minute video than I learned in 17 years of public schooling.
@freddyjosereginomontalvo4667 3 years ago

I really love this kind of videos!!! Keep it up!! 🌍
@Bokaj01 3 years ago

I still think it's mind boggling just to have video feed from the surface of another world, in our present time. A place where no human history has been written yet. Trying to comprehend a future where planet hopping is the new norm, expanding our mind to look to the galaxy and not just what's beyond the clouds. Amazing.
@dayzexpert8875 3 years ago

People who know this be like: "hmmm interesting".
@silverhowl9331 3 years ago

Aww poor moon! :’ ( one day I hope we get to build our own outpost on the moon to keep our lunar buddy company!
@stye_ 3 years ago

In 140 seconds I know what the habitable zone is, and school would probably take a week to teach you that.
@satorimystic 3 years ago

Thank you for the "... Life as we know it". Too many omit the "as we know it" bit, too often. 😉👍
@PedroAmA 3 years ago

Wow amazing ! A friend of mine was complaining about why My NASA does not have an educational program .... here we go ! Thxs NASA
@MadaraUchiha-fh3tp 3 years ago

I'm 14 and I have a best friend we're joining NASA one day!!! we already know a alot of stuff about blackholes,whiteholes,supernovae and other stuff
@rbkstudios2923 3 years ago

Those are some pretty amazing narration skills
@Cheesepuff8 3 years ago

Crazy that their could be a planet out their with life on it that also has a moon with life on it, and one day one of them would visit/would’ve have visited the other
@Nidhi-wc3oc 3 years ago

Awesome!!
@andresallegre9780 3 years ago

man if im not alive by the time something like this gets discovered i do not want life