The whole idea of black holes is that nothing, not even light, can escape from them. However, there are several indirect ways to detect them.
Ejvind Blach was born in 1895.
Ejvind Blach died in 1972.
Arne Blach was born in 1900.
Arne Blach died in 1977.
Niels Blach was born in 1893.
Niels Blach died in 1979.
Black holes emit so very little radiation they are hard to see. Many black holes lie at the center of galaxies and there they are hidden by stars and dust.
Blach Intermediate School was created in 1958.
Wojciech Blach was born on May 22, 1972, in Katowice, Slaskie, Poland.
Helena Blach Lavrsen was born on June 7, 1963, in Frederiksberg, Denmark.
Eckhard Blach was born on December 25, 1960, in Lbeck, Schleswig-Holstein, Germany.
Jordan Blach