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19942024
most citedThe Soft X-Ray Properties of a Complete Sample of Optically Selected Quasars II. Final Results

552 citations · 16.5k across the 268 of their papers we have counts for

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Showing 2011 · astro-ph.EPShow all

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astro-ph.EP2011★ 40 cited

Ultra-Low Delta-v Objects and the Human Exploration of Asteroids

Martin Elvis, Jonathan McDowell, Jeffrey A. Hoffman +1

Missions to near-Earth objects (NEOs) are key destinations in NASA's new "Flexible Path" approach. NEOs are also of interest for science, for the hazards they pose, and for their r…