(Encyclopedia) Hubble Space Telescope (HST), the first large optical orbiting observatory. Built from 1978 to 1990 at a cost of $1.5 billion, the HST (named for astronomer E. P. Hubble) was expected…
Carnivore’s serrated toothCarnivore’s jaws for tearingCarnivore’s stomachHerbivore’s toothStomach stonesOrnithopod’s stomachFeatures of a sauropod’s stomachCarnivorous and herbivorous dinosaurs are…
How and Why Do Things Dissolve?ChemistrySolutionsWhat Are Solutions?How and Why Do Things Dissolve?Determining the Concentration of a SolutionFactors That Affect SolubilityDilutions When making a…
Desegregating SchoolsThe Supreme CourtWarren CourtA Court DividedDesegregating SchoolsMandating Criminal RightsFocusing on Personal RightsLeaving the Court Let's take a close look at Warren'…
Senate Years of Service: 1911-1917Party: RepublicanWORKS, John Downey, a Senator from California; born near Rising Sun, Ohio County, Ind., March 29, 1847; attended private schools; during the…
Hammurabi, the king of Babylon in the eighteenth century B.C., was the first to record the laws and their consequences. The next time someone says it's the law, you could ask, “What kind?”Blue…
Taking ControlThe Supreme CourtMarshall CourtMarshall Steps InTaking ControlEmpowering the National Government While Supreme Court action was delayed by Republicans when they stopped the…
Source: Publishers Weekly.HardcoverThe Prayer of Jabez for Kids, Bruce Wilkinson and Melody CarlsonThe Prayer of Jabez for Little Ones, Bruce Wilkinson and Melody Carlson; illustrated by Alexi…
(Encyclopedia) Kapteyn, Jacobus CorneliusKapteyn, Jacobus Corneliusyäkōˈbəs kôrnāˈlēəs käptīnˈ [key], 1851–1922, Dutch astronomer. He was an authority on the Milky Way, of which he made notable…
(Encyclopedia) Andromeda Galaxy, cataloged as M31 and NGC 224, the closest large galaxy to the Milky Way and the only one visible to the naked eye in the Northern Hemisphere. It is also known as the…
