Sentences with phrase «date astronomical research»
While teaching astronomy to both non-majors and astronomy majors at Haverford and Bryn Mawr College, Partridge used his up - to - date astronomical research, especially in extragalactic astronomy and cosmology, to create some of the most popular courses at the college.
https://www.astrosociety.org/ Not exact matches
This statement contradicts results of astronomical research during the past two centuries indicating that some stars now visible to us were in existence millions or billions of years ago, as well as the results of radiometric dating indicating that the age of the earth is about 4 1/2 billion years.