- Pre-
Tolstojan, also
Pretolstojan Period,
refers to the
oldest period of the
history of Mercury, 4500–3900 MYA. It is the "first
period of the Eomercurian...
- it is
older than the
Caloris Basin. It is
currently considered to be
Tolstojan in age. The
depth of
Beethoven is
estimated to be 2.5 ± 0.7 km from the...
- It was
named by the IAU in 1979,
after the
Indian poet Vyasa. It is
Tolstojan in age. Vyāsa is an
ancient crater,
overlain by two much
younger craters...
- is
divided into eras. From
oldest to youngest,
these are: the pre-
Tolstojan,
Tolstojan, Calorian, Mansurian, and Kuiperian.
Their ages are
based on relative...
-
basin Homer. It lies on the east side of a larger,
unnamed crater that is
Tolstojan in age.
Mariner 10
image with
Titian in
lower left
MESSENGER mosaic Titian...
-
Kuiper quadrangle, and it is
radial to a large,
unnamed crater that is
Tolstojan in age. To the
southwest of the
catena is a
large (50 km diameter), unnamed...
-
Quadrangles on
Mercury Hypothetical moon of
Mercury History of
Mercury – Pre-
Tolstojan –
Tests of
general relativity – Mercury-crossing
minor planets – Exploration...
-
crater on Mercury. It is one of 110 peak ring
basins on Mercury. It is
Tolstojan in age.
Deposits of
material in and
around this
crater suggest the possibility...
- The Lennon-Pic****o
Basin is an
ancient (Pre-
Tolstojan)
impact basin on Mercury,
discovered from
topographic mapping of the
surface by the
MESSENGER spacecraft...
- ten km,
producing a
highly textured surface that
yields ancient pre-
Tolstojan and
Tolstojan ages over 3.9 Ga (billion years).
There is no
clear correlation...
