HUBBLE OBSERVATIONS USED TO MEASURE MASS OF LONE WHITE DWARF STAR LAWD 37...NASA/Goddard Space Flight Center
HUBBLE MEASURES DEFLECTION OF STARLIGHT BY A FOREGROUND OBJECT (ARTIST'S ILLUSTRATION)...NASA/Goddard Space Flight Center
Alley cropping: an agricultural system where rows of trees (or bushes) are planted in fields of crops or grassland....University of Göttingen
Genes responsible for coronary artery disease, world’s No. 1 killer, identified...University of Virginia Health System
