... protecting our planet against catastrophic loss is more important than the current agenda for space research Ironically, on 13 October 2016, the Obama White House took formal note of the problem. The US President issued a new...
... energetic cosmic events that produce fast moving particles much heavier than hydrogen or helium. Atoms as large as iron atoms - the heaviest element a star can normally make - can slam into objects in space, transferring a huge...
..., when hydrogen, hydrocarbon, carbon, chloride and fluoride enter the collector, create a regenerative reaction that produces iron, titanium, nickel, other metals and silicon. Asteroids have their uses too The regolith on many asteroids...
... mass and at this point the whole star explodes as a type Ia supernova, enriching the interstellar medium with iron in the process. A merger between two white dwarfs may also trigger the same type of supernovae. Because...
... usually hydrogen or helium and their isotopes (as produced by our Sun) but they can be much heavier nuclei, iron or even uranium if they come from more energetic events such as supernovae and black holes. High-speed...
... were eight smaller ‘Phases of the Moon’ all being created in 2012 and, later, a Lunar Habitat which ironically includes a radio telescope painted in 2013. These works are large and dramatic, using a limited palette of black...