释义 |
schwarz·schild radius \ˈshwȯrtˌshild-, ˈs(h)wȯrtsˌchīld-; ˈshvärtˌshilt-\ noun Usage: usually capitalized S Etymology: after Karl Schwarzschild died 1916 German astronomer : the radius of the spherical boundary within which a given mass (as of a star) must collapse to become a black hole ; also : the distance of the event horizon from the center of a black hole |