Astronomy. : 283 
sis nt the heat of the meteorites is due to the loss of their vis 
vw sounds, detonations under the name of explosions, 
rasta without explanation. 
aubrée attributes to mere chance the situation of what he 
calls “ a8 ” or “écailles de météorites,” at the moment of an_ 
eee if they prenens certain YY ticular seams of crust surropnes 
the direction of the co is in particular, in a paper 
on the meteoric iron of | teeaiihines on the 14th of April, 1859, then 
on an aérolite from Stannern-on the 22nd of May, 1862, and in 
other i aa 
arth :— 
1. Single or agglomerated frigineaie | in their cosmical course, 
come into contact with our globe. 
2. The fr. ragments are arrested by the resistance of atmospheric air. 
3. Pressure, in their progress through the atmospheric air, eli- 
cits light ae ‘heat ; rotation ensues, and a ae crust is formed. 
e-hot cobras ssed spread out in the form of 
a fireball, aan up behi ams and enclosing the fragment, or frag- 
ments, and a vacuu um-spac 
The’ cosinie course is at an end when the fragment, or the frag- 
ments, have been arrested by, air. 
at are no longer generated; the vacuum-ball 
ght and he 
will ¢ collapse with a loud eet or several reports following each 
7. The cosmic cold within the aérolite assists in reducing the 
<7 of yin melted crust. 
- Conspicuously support 
tive 2 aang subject ix question. In one of 
_ ouse, who considered the fall of Orgueil as presenting not one mete- 
«Orie mag exploded, but a swarm of aérolites arrived at the same 
Moment, 
: was “Les ntredisent Thypomene. ane la chaleur des 
0 rites est on, a *s pert de ne free vive.” — Op. cit., p. 8 
t “Sans explicatio '— Op, cit., p. 1 
