Which planet has the most moons? , mars with23, venus with 4, Saturn, with 146 confirmed, saturn with 142, What are the 4 rocky planets called, Mercury, Venus, Earth, Mars, venus, mercury ,pluto, uranus, pluto, uranus ,mercury ,earth, earth saturn, jupiter,mars, What happens when a massive star dies?, red giant, Supernova - neutron star or black hole, nebula, protostar, Who was the first woman in space?, Valentina Tereshkova, 1963, sally ride, liu yang, sunita williams, What was the name of the first object to reach interstellar space?, Voyager 1, in 2012 , redstone, in 1961, Atlas, in 1962, space shuttle, in 1981, What’s the “Goldilocks Zone”?, Inside a black holes event horizon  , coldest region of space, asteroid belt between mars and jupiter, Region around a star where liquid water could exist  , What does ISS stand for?, International space society, international Space Station , Indian space station, interstellar space shuttle, Which moon might have an ocean under ice, Io, Europa, Titan, moon, deimos, Phobos, Europa, Enceladus, Titan, Europa, Titan,phobos.

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