double stars in a sentence

Examples

1. He started with his observations of double stars in 1925.
2. It was set up specifically to search for double stars.
3. A telescope shows that Alpha 1 and Alpha 2 are both double stars.
4. In 1899 the astronomer Karl Schwarzschild pointed out an observation about double stars.
5. This configuration is similar to the optical double star.
6. Since this time, many more double stars have been catalogued and measured.
7. South then continued and observed another 458 double stars over the following year.
8. He discovered a number of double stars and took many photographs of Mars.
9. He continued Struve's observations of double stars.
10. There are several other noteworthy stars in Eridanus, including some double stars.