Other
Scientific paper
Jul 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000hst..prop.8760s&link_type=abstract
HST Proposal ID #8760
Other
Hst Proposal Id #8760 Solar System
Scientific paper
HST and groundbased observations of Neptune since 1991 provide potentially strong constraints on the behavior of Neptune's Northern Great Dark Spot {NGDS}, first discovered in October 1994 HST images {Hammel et al., Science 268, 1995}. Unlike the 1989 Great Dark Spot revealed by Voyager, which moved continuously equatorward and dissipated unseen during 1990, the NGDS seems to have remained at 35degrees N from 1994 through at least 1996, suggesting that its zonal drift rate may be relatively constant and that its position may be highly predictable. An empirical model of its motion can be constrained by analysis of HST archive images in combination with existing groundbased images that are sensitive to the bright companion clouds of the NGDS. By combining sporadic groundbased observations of the companion clouds during 1993, 1994, 1996, 1997, and 1998, with HST observations of both the NGDS and its bright companion in 1994, 1995, and 1996, and HST observations of only bright companions in 1991, 1997, and 1998, we propose to determine spectral and other signatures for the companion clouds, the evolution of their characteristics, and whether or not the NGDS is a single circulation feature that has been present during this entire period. We expect to provide new constraints on NGDS dynamics and companion lifetimes and a prediction equation for NGDS future positions.
No associations
LandOfFree
The Dynamics of Dark Spots on Neptune does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with The Dynamics of Dark Spots on Neptune, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The Dynamics of Dark Spots on Neptune will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1720470