Observations:. Sun rises & sets every day Sun rises in East & sets in West Sun’s path in the sky is an arc Sun is at different angular altitudes in the sky at different times. The sun is never directly above (at zenith) in NY. Astronomy.
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The Whimsical Cook
Colorization of black and white movies
Solar powered calculators
Aluminized bags for snack food
Halogen lights for cars
Phone calls by satellite
Laser guided missiles
"Blue Blocker" sunglasses
Digital watches and thermometers
"DirecTV", "Dish Network", etc
"Kevlar" for bullet proof vests
"Mini Mag" flashlights
Fiber optics for phone calls
"Vortec" engines in GM cars
"Ovation" guitars and helicopter blades
Electronic ignition in automobiles
Laser scanners in stores
"Bulb Miser" devices for long life light bulbs
Weather Maps on television
Juice boxes for "Hawaiian Punch", etc
"The Patch" medical device
Breathing systems for Mt. Everest climbers, Scuba divers and firefighters
“Flexon" eyeglasses and dental braces
Cellular phones and beepers
Cable Television, H B O, Showtime, etc
Pens that write upside down and under water
Anti corrosive paint for bridges, boats & Statue of Liberty
Scratch resistant coatings on sunglasses
Football helmets for the NFL
Pacemaker batteries that last 20 years and can be recharged through the skin.
GPS Navigation SystemsThe value of the space program
At the equator, rotation is 40,074 km/day or 1670 km/hr
31,200 km/day or 1300 km/hr
At the poles
0 km/day or 0 km/hr
As the Earth revolves around the sun, different constellations are visible in the night sky.
As viewed from Earth, the sun is passing through Leo (even though you can’t see the stars during the day.
The following statement sounds crazy but you\'ll understand it if you read it slowly!
"The axis is tilted by 23.5° from the perpendicular to the plane of its orbit."
Not drawn to scale.
The orbit is not shaped like this.
March 21/Sept 23
OK, Girls & Boys, time for an activity on seasons and the tilt of the Earth!
looks like RIGHT NOW
throughout the year
Aphelion July 4 95,000,000 miles
Not drawn to scale! The shape is more like a circle
See for yourself
Keppler’s Second Law
P2 = D3
Where P is the Period in Earth Years
And D is the distance in “AU’s”
Sun: way the heck to the left
Last Half/ Last Quarter
First Half/ First Quarter
Notice the changing diameter of the Moon during the \'moonth\'. As the Moon\'s orbit brings it closer to earth (perigee) at the New Moon, it appears larger to us. Also notice how the Moon \'rocks\' up and down and back and forth. That happens because the Moon\'s orbit takes it above the Earth\'s equator (allowing us to see more of the south polar region) and below the equator revealing more of the north polar region of the Moon. The back and forth (east-west) rocking is due to the changing orbital velocity of the moon.
Here are the traditional names given to each month\'s full moon from the "Old Farmer\'s Almanac":
January Wolf Moon
February Snow Moon
March Worm Moon
April Pink Moon
May Flower Moon
June Strawberry Moon
July Buck Moon
August Sturgeon Moon
September Harvest Moon
October Hunter\'s Moon
November Beaver Moon
December Cold Moon
m1 and m2 are masses of the objects
d is the distance
Lets draw a diagram of what the tides look like.
The Solar System
Encarta Solar System:
1.008 x 4 = 4.032
4.032 – 4.0026 = .0294
E = energy
m = mass
c2 = speed of light squared
.0294 x 186,000 x 186,000 = a lot from a little
Cloud of gas
Swell up to a red giant
Shrink to a white dwarf
Slowly cool and die
Swell up to a red giant
Shrink collapse and explode as a supernova
Dies as a rapidly spinning core…
A black hole!
The Doppler Shift
Summer June 21