11 January

31 NOLL. 2003 1859

1787: On 11 January 1787, Sir William Herschel discovered Titania, the first moon of Uranus. Six years earlier, he had discovered the planet.

Titania's diameter is 1610 kilometres and its distance from Uranus is 436 300 kilometres.

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31 NOLL. 2003

10 January

1573: On 10 January 1573, Simon Marius was born.

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31 NOLL. 2003

9 January

1848: On 9 January 1848, Caroline Lucretia Herschel died.

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31 NOLL. 2003

8 January

1942: On 8 January 1942, Stephen Hawking was born.

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31 NOLL. 2003

7 January

1610: On 7 January 1610, Galileo wrote his first letter describing telescopic observations.

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