"Neutron Star" is an English language science fiction short story by American writer Larry Niven. It was originally published in the October 1966 issue (Issue 107, Vol 16, No 10) of Worlds of If. It was later reprinted in the collection of the same name and Crashlander. The story is set in Niven's fictional Known Space universe. It is notable for including a neutron star before their (then hypothetical) existence was widely known. "Neutron Star" is the first to feature Beowulf Shaeffer, the ex-pilot and reluctant hero of many of Niven's Known Space stories. It also marked the first appearance of the nearly indestructible General Products starship hull, as well as its creators, the Pierson's Puppeteers. The star itself, BVS-1, is featured in the novel Protector (1973), where it is named "Phssthpok's Star". A prelude to the story is also included in the novel Juggler of Worlds. Plot summary Beowulf Shaeffer, a native of the planet We Made It and unemployed for the last eight months due to a stock market crash, is contracted by a Pierson's Puppeteer, the Regional President of General Products on We Made It, to pilot a General Products-hulled starship, in a close approach about neutron star BVS-1. The Puppeteers want to determine why two previous researchers, Peter and Sonya Laskin, were killed during the previous attempt on a similar mission. Shaeffer has no intention of even attempting the dangerous mission, but agrees anyway – he has other plans. He has the Puppeteers construct what he dubs the Skydiver to his precise specifications, supposedly to ensure he survives to return with the relevant data. It includes an advanced sensor package, a high-powered thruster, and a high-powered laser. It is thus the only warship ever constructed by the cowardly and paranoid alien race – a prize beyond value and a perfect means of escape. Desiring to maintain human-Puppeteer relations, an operative of the U.N.'s Bureau of Alien Affairs, Sigmund Ausfaller, explains the situation to them, and has them install a bomb on the ship. Ausfaller informs Shaeffer that if he does not attempt the mission he will be sent to debtors' prison, and that if he attempts to escape in the ship the bomb will be detonated within a week – well before he could even reach another planet, let alone find a buyer for the ship. Shaeffer, realizing he is trapped, agrees to fly the mission.