|
Interstellar
Dust
Particles
Interstellar dust particles range from a millimeter
(10 -1
centimeter) in diameter with a mass of one milligram (10 -3
gram) to 10 -7
centimeters in diameter with a mass of 10 -21
grams. The sizes, composition, and optical properties of 10 -3
to 10 -6 grams dust
particles has been evaluated. For dusts
particles with masses from 10 -9
to 10 -21
grams, the particles masses have been correlated the density of the
particle in space.
Their kinetic energy, mass (density of 2 grams/cm3),
diameter, & matter-antimatter energy are:
Kinetic Energy
(30 km/sec) |
Mass
(grams) |
Diameter
(centimeters) |
Matter-Antimatter Energy |
|
4.5 x 10 9
ergs |
10 -3
g |
10 -1
c
m |
9 x 10 17 ergs |
| 4.5 x 10 6
ergs |
10 -6
g |
10 -2
cm |
9 x 10 14
ergs |
| 4.5 x 10 3
ergs |
10 -9
g |
10 -3
c
m |
9 x 10 11
ergs |
| 4.5 ergs |
10 -12
g |
10 -4
c
m |
9 x 10 8
ergs |
| 4.5 x 10
-3
ergs |
10 -15
g |
10 -5
c
m |
9 x 10 5
ergs |
| 4.5 x 10 -6
ergs |
10 -18
g |
10 -6
c
m |
9 x 10 2
ergs |
| 4.5 x 10 -9
ergs |
10 -21
g |
10 -7
c
m |
9 x 10
-1 ergs |
|
The energy released from matter &
antimatter collisions is 200 million times larger than
the Kinetic Energy
of the particles [2 times (Speed of light divided by 30 kilometers/sec) 2
].
|
Dusty
Properties (10 -3
to 10-6 grams) & Probing Interstellar Space
(10-9 to10-21grams)
|