An astronaut has sent end-of-Ramadan greetings from space. Sultan al-Neyadi, 41, is from the UAE. He wished the world a happy, peaceful and prosperous Eid al-Fitr. This is a holiday marking the end of the holy month of Ramadan. Millions of Muslims worldwide spend a month fasting and praying. Mr al-Neyadi will become the first Arab to complete a spacewalk. He has to upgrade equipment on the outside of the International Space Station.

Mr al-Neyadi has amazed millions of Muslims with images of the holy site of Mecca glowing in the dark. He has sparked an interest in technology among people in the UAE. He also talked about fasting in space. Muslims are required to fast from sunrise to sunset. Al-Neyadi said his fasting was different. He has to avoid activities "that could jeopardize the mission or put crew members at risk." He needs enough food to prevent a lack of nutrition.