2. (100%)Solar wind noble gases and nitrogen in metal from lunar soil 68501 - Becker, Richard H.; Pepin, Robert O.
wind Ar, Kr and presumably Xe has occurred relative to the SEP component, most likely by erosive ... isotopic composition is inferred to be relatively light, and implanted solar N, which has probably
- 28-abr-2009
3. (100%)Nitrogen and noble gases in a glass sample from the LEW88516 shergottite - Becker, Richard H.; Pepin, Robert O.
the presence of the trapped nitrogen component. Alternatively, the N has somehow been decoupled from the noble gases, and was either never present of has been lost.
- 28-abr-2009
5. (86%)Radio Observations of 4079 Quasars - Bischof, Otto B.; Becker, RobertH.
Using the NVSS radio catalog, we have searched for radio emission from 4079
quasars taken from the 1 ...
- 27-jun-2007
7. (86%)The progenitors and products of supernovae - Helfand, David J.; Becker, RobertH.
Much of the recent radio and X-ray observational work relevant to the questions of the progenitor po ...
- 29-abr-2009