... I notice that its light on my note-book is quite rosy or purple, though the sun itself and its halo are merely yellow, and there is no purple in the western sky. ...
... Dr. Golub's talk will be "Observing the X-ray Sun." ... Our Sun is a variable star, with activity due to the presence of magnetic fields. ... common throughout all of astrophysics, but our Sun is one of the few objects which ...
... to Wolf-Rayet stars, planetary nebulas start out as stars similar in mass to our Sun ... Many planetary nebulas also have outer halos. ... AU a distance over 60 times greater than the gap separating Pluto from the sun ...
... I took to studying the sun in the daytime and viewed an eclipse, once again up at ... me and even gave me a book on the Sun written by Donald Menzel, who was one of the ...
... I observed also the same night a halo around my shadow in the moonlight, which I referred to the accidentally lighter color of the surrounding surface; I transferred my shadow to the darkest patches of grass, and saw the halo there equally. ...
... Remember, some PNe have an extremely faint outer halo which may extend to 2, 3 or ... Is there a broader "outer halo"? A core and maybe even a smaller "inner core"? ...
... Jan. 14th flyby of Mercury have found several craters with strange dark halos and one crater with a curiously shiny bottom ... 2008 Newsletter. Kelvin said that "the Sun has not illuminated the Earth for 100 million years" not 10 billion years. ...
... older globular clusters are distributed in a halo around the center of the galaxy ... globular clusters distributed in the Milky Way galaxy halo is around 3 billion years ...