Space Time with Stuart Gary Series 19 Episode 19 - Show Notes

Supernovae showered Earth with radioactive debris
The Earth was showered with radioactive debris from a series of nearby exploding stars which all went supernova just a few million years ago. The findings are based on the discovery of radioactive deposits of iron 60, found in sediment and crust samples taken from the Pacific, Atlantic and Indian Oceans. 

Behemoth Black Hole Found in an Unlikely Place
Astronomers have discovered a near-record breaking supermassive black hole -- some 17 billion times the mass of the Sun -- in an unlikely location in a sparsely populated region of the universe. The observations mean these monsters may be far more common than previously thought. 

Traffic gridlock aboard the International Space Station
A Russian cargo ship has successfully docked with the International space station two days after blasting off on a Soyuz rocket from the Baikonur Cosmodrome in the central Asian republic of Kazakhstan. The Progress arrived on station just days after an American Cygnus cargo ship reached the orbiting outpost, with anther American Dragon cargo ship is also slated to dock this month.
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New Space tourism rocket makes third sub-orbital flight.
Blue Origin have carried out a successful sub-orbital test flight of the company’s new reusable vertical take-off and vertical landing New Shepard spacecraft. The launch from Blue Origin’s west Texas facility reached an altitude of over 103 kilometres, the highest yet it has flown.