Super Stars (Constellations): Crash Course Kids #31.1 - By Crash Course Kids
Transcript
| 00:09 | we've spent the last few episodes talking about the effects | |
| 00:12 | of the atmosphere on the geo sphere and the hydro | |
| 00:14 | sphere on the biosphere , as well as solving some | |
| 00:17 | pretty big engineering problems . So how about we take | |
| 00:20 | a break from Earth this time and talk about space | |
| 00:23 | . Now You might be thinking , but we've already | |
| 00:25 | learned about stars . Well you're right or at least | |
| 00:28 | you've been paying attention but we learned about individual stars | |
| 00:32 | basically how they do what they do as solo acts | |
| 00:35 | out there in the universe . But what happens when | |
| 00:37 | a bunch of stars band together to form a supergroup | |
| 00:40 | sort of like the Avengers of the night sky ? | |
| 00:43 | Well then they're called a constellation . Today we'll talk | |
| 00:46 | about these groups of stars and why they're so important | |
| 00:49 | to astronomers besides being just plain cool or hot , | |
| 00:53 | you know what I mean ? So what exactly is | |
| 00:55 | a constellation ? A consolation is a cluster of stars | |
| 01:02 | in the sky that have been grouped together in a | |
| 01:04 | pattern or shape and have been given a name . | |
| 01:06 | But before we take a closer look at consolations , | |
| 01:08 | let's review what a star is , remember a star | |
| 01:11 | is a bright object in space that gives off light | |
| 01:13 | through energy that it makes in its core . The | |
| 01:15 | sun is the most famous start to us earthlings . | |
| 01:18 | We've already talked about a few other well known stars | |
| 01:20 | though like bright Beetlejuice , astronomers use bright stars like | |
| 01:24 | Beetlejuice as markers in the sky to help find other | |
| 01:26 | less bright objects in space . For example , if | |
| 01:29 | you are looking for a dim star like Sirius B | |
| 01:32 | , you might have to look for a long time | |
| 01:33 | to spot it among the many , many , many | |
| 01:37 | , many other stars in the sky . But if | |
| 01:40 | you're able to spot a much brighter star like Sirius | |
| 01:43 | A . And you know that Sirius B . Is | |
| 01:45 | located to the lower left of Serious A . Then | |
| 01:48 | it will be much easier to find serious be like | |
| 01:50 | I said , there are so many stars in the | |
| 01:53 | sky that trying to spot just one can be tough | |
| 01:56 | , especially if it's not near a bright one like | |
| 01:58 | Beetlejuice or serious A . That's where constellations come in | |
| 02:01 | , astronomers use constellations to help them better map the | |
| 02:04 | night sky . Think of stars like cities on a | |
| 02:06 | map in constellations like countries finding a large shape in | |
| 02:10 | the sky made of many stars is a lot easier | |
| 02:12 | to spot than trying to find one single spec . | |
| 02:14 | Plus there are only 88 named constellations , which is | |
| 02:17 | a much more reasonable number to deal with than a | |
| 02:20 | billion . And most of the 88 recognized constellations came | |
| 02:23 | from the ancient Greeks . The stars in the constellation | |
| 02:26 | aren't related in any particular way . They just form | |
| 02:28 | a shape that the Greeks used to tell stories about | |
| 02:31 | their gods , Goddesses and mythical creatures like flying horses | |
| 02:34 | and giant scorpions . Now that we know what a | |
| 02:36 | constellation is ? Why don't we get to know some | |
| 02:39 | of the more famous ones ? And then Harry potter | |
| 02:46 | fans will recognize the name of our first constellation . | |
| 02:48 | Its name means dragon in latin , and also happens | |
| 02:51 | to be the name of Harry's biggest nemesis , well | |
| 02:54 | , second biggest after vault . He who must not | |
| 02:57 | be named . Of course , yep , It's Draco | |
| 02:59 | . According to legend , Draco was a dragon killed | |
| 03:02 | by the goddess Minerva and was tossed into the sky | |
| 03:05 | . Draco is one of 48 constellations described way back | |
| 03:08 | in the second century by Egyptian astronomer Ptolemy . People | |
| 03:11 | have been seeing this dragon like shape in the night | |
| 03:13 | sky for a long time . Consolations aren't just named | |
| 03:16 | after creatures , though . Some are named after mythical | |
| 03:19 | people , particularly gods and goddesses . One of the | |
| 03:22 | more well known greek gods has his own consolation and | |
| 03:26 | a Disney movie . I'll give you a hint he'll | |
| 03:28 | go the distance . It's Hercules the stars and the | |
| 03:31 | Hercules constellation take the shape of the mighty hero as | |
| 03:34 | if he's holding a bow after just releasing an arrow | |
| 03:36 | , you go . Hercules , the name of our | |
| 03:38 | next notable consolation also makes an appearance in the Hercules | |
| 03:41 | movie as a super cute winged horse . Say hello | |
| 03:44 | to Pegasus . According to greek mythology . Hercules never | |
| 03:47 | actually rode Pegasus like in the movie , but the | |
| 03:49 | flying horse did spend some time with Zeus , king | |
| 03:52 | of the gods . Zeus like Pegasus so much , | |
| 03:54 | he transformed him into a consolation and place him in | |
| 03:57 | the night sky for everyone to see . Now you're | |
| 03:59 | familiar with at least three of the 88 constellations in | |
| 04:02 | our sky . Only 85 more to go as the | |
| 04:04 | earth rotates . You'll see Draco Hercules and Pegasus plus | |
| 04:08 | all the other constellations over the course of a year | |
| 04:10 | , but more on when and where you can see | |
| 04:12 | the constellations in the next episode . So now you | |
| 04:19 | know what a star is and that a cluster of | |
| 04:21 | stars in the sky that are grouped together in a | |
| 04:23 | particular pattern is called the constellation . Besides having really | |
| 04:26 | cool shapes and stories behind their names , constellations help | |
| 04:30 | astronomers and us map the night sky . Since space | |
| 04:33 | is so huge and massive and enormous , our map | |
| 04:37 | is far from complete . So anything that helps us | |
| 04:40 | navigate that vast well space of space is okay by | |
| 04:44 | me . Thanks for the help constellation . |
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Super Stars (Constellations): Crash Course Kids #31.1 is a free educational video by Crash Course Kids.
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