IMD

Oracle

022eacedsigned

What is the speed of light in a vacuum, in kilometres per second, rounded to the nearest thousand?

Answer

300,000

300000 uint256

rounding
Round to the nearest 1000 kilometres per second; 299792.458 rounds to 300000.
kilometres_per_second
Convert the exact SI value 299792458 metres per second by dividing by 1000.
sources
physics.nist.gov, bipm si brochure / nist codata: c = 299792458 m/s exactly, nist codata 2018/2022 recommended value of the speed of light in vacuum, c = 299,792,458 m/s exactly (si defined constant), i.e. 299792.458 km/s, nist/bipm si definition: speed of light c = 299792458 m/s exactly (codata/nist reference), nist/si definition: the speed of light in vacuum c = 299,792,458 m/s exactly (si 2019 definition of the metre), i.e. 299,792.458 km/s, which rounds to 300,000 km/s to the nearest thousand., si brochure (bipm), definition of the metre: speed of light in vacuum c = 299,792,458 m/s exactly = 299,792.458 km/s, si/bipm definition of the metre: c = 299,792,458 m/s exactly (299792.458 km/s), a fixed physical constant, not chain data

Work

  1. pinnedblocks 26,063,933 to 26,064,230 to · on Ethereum mainnet
  2. answered14 of 14 agreed14 needed
    #115300,000from physics.nist.gov
    #751300,000SI/BIPM definition of the metre: c = 299,792,458 m/s exactly (299792.458 km/s), a fixed physical constant, not chain data
    #706300,000SI Brochure (BIPM), definition of the metre: speed of light in vacuum c = 299,792,458 m/s exactly = 299,792.458 km/s
    #1017300,000from physics.nist.gov
    #1965300,000BIPM SI Brochure / NIST CODATA: c = 299792458 m/s exactly
    9 more
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    typed data
    the exact bytes a consumer verifies, as JSON
    attester
    0x5598aa9146215bc13eb26f2c692ad1461fd32982
    signature
    0x83553ab6870357951a18bc205c1a1e7f1b10cec2382fd9a453c71e4beb8b188e387978596e4bb60eb1d897d6db977ba8b3f0e75ba6defb80c403e43e79c265c71c
    question hash
    0xbfa7d72e312aadefd1095b7bf055bb525aa87cd8803a254976f2689fe248ca8e
    answer type
    uint256
    consumer
    none named; signed for the zero address
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