Tag Archives: archeological artifacts

‘Standing on a comet’: Rosetta mission will contribute to space weather research

By Guest PostJanuary 16, 2014Scienceandre bieler, archeological artifacts, carbon dioxide, churyumov gerasimenko, comet 67p, comet bound spacecraft, electric grid, electrified particles, european space agency, evolution, ionosphere, kenneth hansen, michael combi, model, on a comet, orbit of neptune, origin, planets, rosetta, rosetta mission, rosetta mission lander, rosetta orbiter, satellites, solar system, space weather research, standing, sun, tamas gombosi, the philae lander, university of michigan, valeriy tenishev

ANN ARBOR — A comet-bound spacecraft that’s been in sleep mode for more than two years is scheduled to wake up on the morning of Jan. 20—beginning the home stretch of its decade-long journey to a mile-wide ball of rock, dust and ice.

If all goes as planned, Rosetta—a European Space Agency-led mission that involves University of Michigan engineers and scientists—will be the first craft to actually land on a comet as well as track it for an extended period of time. (more…)

Ancient water

By Guest PostNovember 2, 2013Environmentancient water, aquifers, archeological artifacts, archeology, decaying plant matter, delaware canal, delaware river, dgs, geology, groundwater replenishment, middletown, new castle, radiocarbon dating, scott andres, tom mckenna, zack coppa

Delaware Geological Survey carbon-dates groundwater found to be thousands of years old

A drop of rain that falls near Middletown, Del., may take as long as 14,000 years to seep through the earth and trickle underground into a well several miles away, according to new research by the Delaware Geological Survey (DGS).

Scientists used radiocarbon-dating techniques to determine the age of groundwater from sites in southern New Castle and Kent counties. (more…)