<Ul> <Li> Lucifer's Hammer (1977): A comet, which was initially thought unlikely to strike, hits the Earth, resulting in the end of civilization and a decline into tribal warfare over food and resources . Written by Larry Niven and Jerry Pournelle . </Li> <Li> The Hammer of God (1993): A spacecraft is sent to divert a massive asteroid by using thrusters . Written by Arthur C. Clarke . </Li> <Li> Titan (1997): The Chinese, to retaliate for biological attacks by the US, cause a huge explosion next to an asteroid (2002OA), with the aim of deflecting it into Earth orbit and threatening the world with targeted precision strikes in the future . Unfortunately, their calculations are wrong as they didn't take into account the size of the asteroid which could cause a Cretaceous--Paleogene extinction event . The asteroid strikes Earth, critically damaging the planetary ecosystem . Written by Stephen Baxter . </Li> <Li> Moonfall (1998): A comet is in collision course with the Moon . After the collision, the debris start falling on Earth . Written by Jack McDevitt . </Li> <Li> Nemesis (1998): The US government gathers a small team, including a British astronomer, with instructions to find and deflect an asteroid already targeted at North America by the Russians . Written by British astronomer Bill Napier . </Li> </Ul> <Li> Lucifer's Hammer (1977): A comet, which was initially thought unlikely to strike, hits the Earth, resulting in the end of civilization and a decline into tribal warfare over food and resources . Written by Larry Niven and Jerry Pournelle . </Li> <Li> The Hammer of God (1993): A spacecraft is sent to divert a massive asteroid by using thrusters . Written by Arthur C. Clarke . </Li> <Li> Titan (1997): The Chinese, to retaliate for biological attacks by the US, cause a huge explosion next to an asteroid (2002OA), with the aim of deflecting it into Earth orbit and threatening the world with targeted precision strikes in the future . Unfortunately, their calculations are wrong as they didn't take into account the size of the asteroid which could cause a Cretaceous--Paleogene extinction event . The asteroid strikes Earth, critically damaging the planetary ecosystem . Written by Stephen Baxter . </Li>

How does congress impact the course of technological development