World Records
    City with most skyscrappers Hong Kong
    Most expensive building Abraj Al Bait, Mecca, Saudi Arabia
    Most remote man-made object Voyager 1
    Fastest spacecraft Parker Solar Probe (532,000 km/h)
    Fastest boat Spirit of Australia (511 km/h)
    Human-piloted aircraft North American X-15 (7,270 km/h)
    Fastest train SCMaglev of Japan (603 km/h)
    Fastest land vehicle ThrustSSC (1,228 km/h)
    Nearest star to the Sun Proxima Centauri (4.25 light-years)
    First spacecraft to orbit an asteroid Near Earth Asteroid Rendezvous – Shoemaker (NEAR Shoemaker) orbited Eros
    First spacecraft to land on an asteroid Near Earth Asteroid Rendezvous – Shoemaker (NEAR Shoemaker) on Eros
    First spacecraft to land and return to Earth from an asteroid Hayabusa on 25143 Itokawa
    Smallest asteroid ever photographed and visited by a spacecraft 25143 Itokawa
    First human to travel into space Yuri Alekseyevich Gagarin of USSR in Vostok 7 on 12 April 1961
    Hottest planet in our Solar System Venus has the hottest surface of any planet in the Solar System, with a mean temperature of 464 °C (867 °F)
    Largest planet in our Solar System with no magnetic field Venus
    Largest planet in our Solar System without a moon Venus
    Planet with longest day Venus (243.16 Earth days)
    Brightest planet seen from Earth Venus (about 80% of sunlight is bounced back)
    Planet with thickest atmosphere Venus
    First spacecraft to orbit a comet Rosetta orbited 67P/Churyumov–Gerasimenko
    First lander to crash-land on a comet Deep Impact's impactor vehicle on Tempel 1
    First lander to soft-land on a comet Philae (Rosetta's lander) on 67P/Churyumov–Gerasimenko
    First song to be beamed into deep space 'Across the Universe' by Beatles
    First successful interplanetary mission Mariner 2 to Venus
    Planet in our Solar System with the slowest rotation Venus (243 earth days)
    First commercial filmed in space Tnuva milk commercial for Israeli milk company
    First living creature to go to space A dog named Laika (Laika means “bark”) on board Sputnik 2 (November 3, 1957)
    Largest single cave Hang Son Đoòng (means "Mountain River Cave") of Vietnam is the world's largest single cave passage.
    Country with the highest percentage of nuclear power use France (about 70% of its electricity from nuclear energy)
    first commercial nuclear power station Calder Hall at Windscale, England (17 October 1956)
    Most valuable man-made item by weight British Guiana 1c magenta stamp
    Most famous and valuable stamp British Guiana 1c magenta stamp
    Rarest stamp British Guiana 1c magenta stamp
    Oldest operating bookshop Bertrand bookshop in Lisbon, Portugal (1732)
    largest animal blue whale (Balaenoptera musculus)
    largest fish whale shark (Rhincodon typus)
    largest freshwater fish beluga sturgeon
    Most widely trafficked mammal in the world Pangolin
    Largest desert city Cairo, Egypt
    First Peace Laureates Henry Dunant of Switzerland for being a principal founder of the Red Cross and Frederic Passy of France for organizing the first Universal Peace Congress
    First female Peace Laureate Bertha von Suttner of Austria for her novel 'Lay Down Your Arms' (1889) and for assisting Alfred Nobel in founding the Peace Prize
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