CRUST: Oceanic & Continental (about 3 to 50 miles thick), plus The Mohorovicic Discontinuity = (The Lithosphere: solid) Mantle: a) The Upper Mantle, magma molten rock, b )The Lower Mantel (about miles thick degrees F) = Asthenosphere (Fl
This image from Nasa's Spitzer Space Telescope shows a stellar nursery containing thousand of young stars & developing protostars near the sword of the constellation Orion. I heart the Spitzer space telescope.
A Spectre in the Eastern Veil Image Credit & Copyright: Alfonso Carreño (Observatorio Zonalunar) Explanation: Frightening forms and scary faces are a mark of the Halloween season. They also haunt this cosmic close-up of the eastern Veil Nebula.