heliographic latitude वाक्य

उदाहरण वाक्य

1. After studying the work of Gustav Sp�rer, who examined old records from the different observatories archives looking for changes of the heliographic latitude of sunspots, Maunder presented a paper on Sp�rer's conclusions to the Royal Astronomical Society in 1890 and analyzed the results to show the presence of a prolonged sunspot minimum in the 17-18th century in a paper published in 1894.