oky lig  be a goodtent enougo put on sucospic zone  normally protects us fromultraviolet rays and ots. it tospunateenougo step into sunligty quickly take on t us say, anovercooked pizza.

    t t suc  ensen said, is t it takes a particular kind of star to make a supernova int place. A candidate star must be ten to ty times as massive as our o e size t’s t close. t likely candidate elgeuse,  someterestingly unstable is going on t Betelgeuse isfifty t-years away.

    Only imes in recorded ory o bevisible to t in 1054 t created tar brigo be seen during trecent   ably safe 169,000 light-years away.

    Supernovae are significant to us in one otral  t be cer—t ted lots of lig no s. ter, but for a very long time nobody could figure out  er. t you needed somet—ter even ttest stars—toforge carbon and iron and ts  erial. Supernovae provided tion, and it as singular in manner as Fritz Z.

    uary in Nature as a “cosmologist and controversialist” and bot certainlyure ’s obituary, “embroiled in controversy for most of his life”

    and “put o mucance, and  evidence, t tural ory Museum’s treasured fossil of an Arceryx doo tologists, Eart only seeded by life from space but also by many of its diseases, suced at one point t ingnoses rils underneatothem.

    It  of facetiousness, for a radiobroadcast in 1952. ed out t notanding of pfor , ically begin to expand.

    eady-state tantly expanding andcontinually creating neter as it .  if stars imploded te s of —100 million de