This review concerns itself with Loop I (the North Polar Spur), an angular immense feature of the high latitude galactic continuum radio emission. Observations of relevance are presented ranging in wavelength from the radio ...

We propose that single stars in the mass range 4–6·5M ⊙, that explode as Supernovae of Type I, are totally disrupted by the explosion and form shell-type remnants. More massive single stars which explode as Supernovae of ...