On Monday, July 20, Google graffiti in some areas marked the 51st anniversary of the Apollo 11 moon landing and paid tribute to NASA scientist dilhan eryurt. She is a Turkish astrophysicist who mainly studies the formation and evolution of the sun and other main sequence stars. She made outstanding contributions to the success of the Apollo 11 mission and awarded the Apollo Achievement Award for her outstanding contributions. < / P > < p > this graffiti shows that eryurt stares at the word & quot; Google & quot; and forms a night sky full of stars, planets, constellations and rockets. Google also cited eryurt’s interest in mathematics with a constellation shaped like a square root sign. On November 29, 1926, dilhan eyute was born in Izmir, Turkey. In high school, she was particularly interested in mathematics. Therefore, after graduating from high school, she chose to study in the Department of mathematics and astronomy of Istanbul University. In 1946, after graduating from Istanbul University, dilhan eyute came to Ankara University to open the Department of astronomy. She was also a graduate student at the University of Michigan. In 1953, dilhan eyute received a doctorate in the Department of astrophysics at the University of Ankara, where she became an associate professor. In 1959, dilhan eyute won a scholarship from the International Atomic Energy Agency. Soon after, she went to the United States to work at NASA’s Goddard Space Flight Center to study the evolution of the sun. In the meantime, she was the agency’s only female astronomer. Between 1969 and 1973, dilhan eyute returned to NASA to continue her scientific work. In 1973, she returned to Turkey again to teach in the Physics Department of the Middle East University of science and technology. In 1977, she won the t ü bitak Science Award. In 1993, dilhan eyute retired.