Hey Rod,
Where does the term Bolide figure in
as compared to a fireball?
Yea, that one has always puzzled me as well.
-Walter
----- Original Message -----
From: "R. Chastain" <[email protected]>
To: "Walter Branch" <[email protected]>;
<[email protected]>; "Count Deiro"
<[email protected]>
Sent: Saturday, January 15, 2011 7:12 PM
Subject: Re: [meteorite-list] Meteorites 101
Thanks for the definition.
Let's see if I have this straight....
Meteoroid = in space
Meteor = The act of the previous meteoroid entering the atmosphere and
producing light.
Meteorite = Meteoroid, now meteor, that landed and becomes a meteorite.
Let me muddy the waters a bit more:-)
Where does the term Bolide figure in as compared to a fireball?
I haven't found a good description of the difference.
Rod
--- On Sat, 1/15/11, Count Deiro <[email protected]> wrote:
From: Count Deiro <[email protected]>
Subject: Re: [meteorite-list] Meteorites 101
To: "Walter Branch" <[email protected]>,
[email protected]
Date: Saturday, January 15, 2011, 6:30 PM
Hi Walter and all,
This may be the acceptable nomenclature....
METEOR (mt-r)
1. A bright trail or streak of light that appears in the
night sky when a meteoroid enters the Earth's atmosphere.
The friction with the air causes the rock to glow with heat.
Also called shooting star.
2. A rocky body that produces such light. Most meteors burn
up before reaching the Earth's surface. See Note at solar
system.
Usage The streaks of light we sometimes see in the night
sky and call meteors were not identified as interplanetary
rocks until the 19th century. Before then, the streaks of
light were considered only one of a variety of atmospheric
phenomena, all of which bore the name meteor. Rain was an
aqueous meteor, winds and storms were airy meteors, and
streaks of light in the sky were fiery meteors. This general
use of meteor survives in our word meteorology, the study of
the weather and atmospheric phenomena. Nowadays, astronomers
use any of three words for rocks from interplanetary space,
depending on their stage of descent to the Earth. A
meteoroid is a rock in space that has the potential to
collide with the Earth's atmosphere. Meteoroids range in
size from a speck of dust to a chunk about 100 meters in
diameter, though most are smaller than a pebble. When a
meteoroid enters the atmosphere, it becomes a meteor. The
light that it gives off when heated by friction with the
atmosphere is also called a meteor. If the rock is not
obliterated by the friction and lands on the ground, it is
called a meteorite. For this term, scientists borrowed the
-ite suffix used in the names of minerals like malachite and
pyrite.
The American Heritage® Science Dictionary Copyright ©
2005 by Houghton Mifflin Company. Published by Houghton
Mifflin Company. All rights reserved.
Best to all,
Count Deiro
IMCA 3536 MetSoc
-----Original Message-----
>From: Walter Branch <[email protected]>
>Sent: Jan 15, 2011 3:13 PM
>To: [email protected]
>Subject: [meteorite-list] Meteorites 101
>
>Hello Everyone,
>
>The term "meteor" refers to the light phenomenon as an
object from space
>enters the Earth's atmosphere. What is the proper
term for the object
>itself?
>
>A meteoroid is an object in space. Is it
still called a meteoroid when it
>enters the Earth's atmosphere?
>
>-Walter
>
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