Ices on Pluto - Will Grundy (SETI Talks)
Μετάδοση με ζωντανή ροή στις 13 Αυγ 2013
Speaker: Will Grundy, Lowell Observatory
Abstract:
Pluto's
near-infrared reflectance spectrum shows characteristic vibration
absorptions of CH4, N2, and CO condensed as ices on Pluto's surface.
Long term monitoring of Pluto's spectrum from 1995 through present
provides constraints on the evolution of these ices driven by seasonal
volatile transport cycles. However, seasonal trends must be disentangled
from spectral changes caused by continually-changing viewing geometry
coupled with the heterogeneous regional distributions of Pluto's ices.
Dr.
Grundy is a team member on the RALPH instrument onboard New Horizons
and he will give the latest news on observations of Pluto before the
upcoming encounter in 2016.
Abstract:
Pluto's
near-infrared reflectance spectrum shows characteristic vibration
absorptions of CH4, N2, and CO condensed as ices on Pluto's surface.
Long term monitoring of Pluto's spectrum from 1995 through present
provides constraints on the evolution of these ices driven by seasonal
volatile transport cycles. However, seasonal trends must be disentangled
from spectral changes caused by continually-changing viewing geometry
coupled with the heterogeneous regional distributions of Pluto's ices.
Dr.
Grundy is a team member on the RALPH instrument onboard New Horizons
and he will give the latest news on observations of Pluto before the
upcoming encounter in 2016.
ANAΡΤΗΣΗ ΑΠΟ ΤΟ YOUTUBE 8/3/2014
Δεν υπάρχουν σχόλια:
Δημοσίευση σχολίου