Astronomers have found more than 4,000 planets circling stars other than our own. What do we know about these alien worlds and how have we managed to detect them?
| Title | The Sky at Night - Season 2019 Episode 8 Alien Worlds |
|---|---|
| Year | 2023 |
| Genre | Documentary, News |
| Country | United Kingdom |
| Studio | BBC Four |
| Cast | |
| Crew | |
| Alternative Titles | BBC The Sky at Night |
| Keyword | universe |
| First Air Date | Apr 24, 1957 |
| Last Air date | Sep 11, 2023 |
| Season | 43 Season |
| Episode | 265 Episode |
| Runtime | 30:45 minutes |
| Quality | HD |
| IMDb: | 8.30/ 10 by 9.00 users |
| Popularity | 31.773 |
| Language | English |
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