NASA Web Site Finds Spiral Galaxies Formed Earlier Than Ever Thought
Face-on image of the spiral, NGC 4303. Long-range pink, orange and red images captured. Features … [+] of…
Face-on image of the spiral, NGC 4303. Long-range pink, orange and red images captured. Features … [+] of…
In his classic book On the Structure of the Scientific Revolution, philosopher Thomas Kuhn suggested that, for a…