Earth Object Survey

Some articles on survey, earth, objects, surveys, earth objects:

Asteroid Impact Avoidance - Deflection Efforts - History of Government Mandates
... In a 1992 report to NASA, a coordinated Spaceguard Survey was recommended to discover, verify and provide follow-up observations for Earth-crossing asteroids ... This survey was expected to discover 90% of these objects larger than one kilometer within 25 years ... later, another NASA report recommended search surveys that would discover 60-70% of short-period, near-Earth objects larger than one kilometer within ten years and obtain 90 ...

Famous quotes containing the words survey, earth and/or object:

    “In a famous Middletown study of Muncie, Indiana, in 1924, mothers were asked to rank the qualities they most desire in their children. At the top of the list were conformity and strict obedience. More than fifty years later, when the Middletown survey was replicated, mothers placed autonomy and independence first. The healthiest parenting probably promotes a balance of these qualities in children.”
    —Richard Louv (20th century)

    “The earth is the Lord’s, and the fullness thereof; the world, and
    they that dwell therein.”
    —Bible: Hebrew Psalm XXIV (l. XXIV, 1)

    “Work without Hope draws nectar in a sieve,
    And Hope without an object cannot live.”
    —Samuel Taylor Coleridge (1772–1834)