Omar Khayyam's timeline by Mary - Đinh Bảo Tiên https://padlet.com/tien200763/dnhrdsy0m30omwz4 Science star Omar en-us 2022-01-19 02:06:43 UTC 2022-02-21 14:17:25 UTC hello@padlet.com https://padlet.net/icons/png/1f337.png #1: AD 1048 tien200763 https://padlet.com/tien200763/dnhrdsy0m30omwz4/wish/2000074579 Omar Khayyam was born in Nishapur into a family of tentmakers. he was fascinated by astronomy at a very young age

]]> 2022-01-19 10:32:59 UTC https://padlet.com/tien200763/dnhrdsy0m30omwz4/wish/2000074579 #5: After 1079 tien200763 https://padlet.com/tien200763/dnhrdsy0m30omwz4/wish/2000098748 Death of Sultan]]> 2022-01-19 10:47:53 UTC https://padlet.com/tien200763/dnhrdsy0m30omwz4/wish/2000098748 #2: Around 1070 tien200763 https://padlet.com/tien200763/dnhrdsy0m30omwz4/wish/2000107378  Omar made friends with an important judge Abu Tahir who must have been into math because Omar dedicated two more books on algebra to him. ]]> 2022-01-19 10:53:16 UTC https://padlet.com/tien200763/dnhrdsy0m30omwz4/wish/2000107378 #4: By 1079 tien200763 https://padlet.com/tien200763/dnhrdsy0m30omwz4/wish/2000141961 Omar calculated the exact length of a year.  Just 0.0002 days wrong.]]> 2022-01-19 11:17:32 UTC https://padlet.com/tien200763/dnhrdsy0m30omwz4/wish/2000141961 #3: Around 1070 - 1088 tien200763 https://padlet.com/tien200763/dnhrdsy0m30omwz4/wish/2000160737 Omar's work for the judge attracted the attention of the Sultan Jalal al-Din. And the Sultan gave Omar the job of looking after his astronomical observatory and tracking the movements of over 100 stars.

]]> 2022-01-19 11:30:42 UTC https://padlet.com/tien200763/dnhrdsy0m30omwz4/wish/2000160737 #6: After Sultan's death tien200763 https://padlet.com/tien200763/dnhrdsy0m30omwz4/wish/2002604127 Queen seized power. She quarreled with the Vizier and he was murdered by a mysterious  killer and Omar's observatory was closed down. ]]> 2022-01-20 11:21:11 UTC https://padlet.com/tien200763/dnhrdsy0m30omwz4/wish/2002604127 #8: AD 1131 tien200763 https://padlet.com/tien200763/dnhrdsy0m30omwz4/wish/2002630184 The death of Omar]]> 2022-01-20 11:39:56 UTC https://padlet.com/tien200763/dnhrdsy0m30omwz4/wish/2002630184 #7: After Vizier's death tien200763 https://padlet.com/tien200763/dnhrdsy0m30omwz4/wish/2002633553 Omar's job was to draw up horoscopes based on the positions of the stars to foretell the future for important people.]]> 2022-01-20 11:42:25 UTC https://padlet.com/tien200763/dnhrdsy0m30omwz4/wish/2002633553