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Astronomer Johannes Fabricius published a 22-page pamphlet in June 1611. This pamphlet, the dedication for which was dated June 13, 1611, is the first published treatise on sunspots. A.S.Ganesh takes a look at Fabricius, who was among the first to observe sunspots using a telescope, and the first to identify them as such. ....
On June 7, 1958, English physician Ian Donald published “Investigation of abdominal masses by pulsed ultrasound” in the medical journal The Lancet. This seminal article not only paved the way for ultrasound observations in obstetrics, but also the widespread use of ultrasound in medical diagnosis in general. A.S.Ganesh takes a look at the life of Donald, who played a key role in bringing ultrasound to medicine. ....
On May 30, 1971, Mariner 9 lifted off from Cape Canaveral, Florida. A little over five months later, it entered orbit around Mars, thereby becoming the first spacecraft ever to orbit a planet other than our own Earth. A.S.Ganesh takes a look at the Mariner 9 mission. ....
Space Shuttle Endeavour was the fifth and final operational shuttle built as part of NASA’s Space Shuttle programme. During its nearly two decades of active duty from May 1992 to May 2011, Endeavour embarked on 25 successful missions. A.S.Ganesh takes a look at some of the highlights from Endeavour’s voyages. ....
Astronomer Gerard Kuiper, who is best known for the region in the solar system that now bears his name, is regarded by many as the father of modern planetary science. Join A.S.Ganeshas he tells you about Kuiper and his many discoveries. ....