$2)? Life and Death of a Star - Universe
History Channel 44 minutes
There are about 400 billion stars in the Milky Way.
Stars are being born in the Pillars of Creation in the Eagle Nebula 700 light Years away.
a Type 1a Supernova. Type lasupernovae are exploding white dwarfs. The visible explosion of the Type 1a
supernova uses only 1 ten thousa ndths of the energy of the supernova.
Type ll Supernova requires
Mystery of the Milky Way
From Telescope: Hunting the Edge of Space
Universe 2010 60 minutes FOD 55129
The Hubble Telescope was launched in 1990.
The Mt. Graham, AZ telescope is a twin 28 foot mirror telescope. It is part of Steward Obs
15. The Steward Observatory in Tucson, Arizona is mirror laboratory. Here they spin cast large mirrors of
glass. But then a 100 nanometer thick layer of aluminum is applied to the curved surface to make the
Astronomy Quiz 19a 160406
is our sun 3 yellow Dwarf? \IQS . .
What is the diameter of our sun in miles? My 1 I mg m [(21
What are the two main gases in the sun? gm cfw_Mum
How many stars are in our solar system? 0
What is the surface temperatur
Math for Astronomy
1. Speed =
2. Momentum = (mass)(velocity_) or mV N
4. 2=_4i_ 3
5. Force=(mass)(acceleration) F=ma g;
6. Angular momentum = mass X velocity x radius or IIIVI <9
8. E =hf Energy = (pla
Notes for What is Out There? History of Astronomy 43340
. At the equator, the Earth spins at 1,500 km/hour.
. The Earth travels at 100,000 km/hour in its path around the sun.
. The Milky Way has about 400 billion stars.
. For twenty years Tycho Brahe
home and not travel. However, many people went to him to learn of his
10. A sextant is used by sailors to determine their location on the seas.
This needed accurate tables for the position of stars at any time of night.
11. lsaac Newton was probabl
In-Class Activity Answers
1. Convection: transports heat as hot material rises and cool material falls.
Examples: Boiling water - The heat passes from the burner into the pot, heating
the water at the bottom.
Moon Observing Project Paragraphs
How the Shape of the Moon Changed
The moons shape didnt change much in the short time I observed it in the night
sky. The first night I observed, Sunday, April 17 th, the moon was in the Waxing Gibb
"cosmic address" you, Earth, solar system, Milky
Way Galaxy, Local Group, Local Supercluster,
One of the statements uses theory in its correct,
scientific sense- Einstein's theory of relativity has
been tested and verified thousands of times.