Powerpoint for today
... weightless. Einstein says these are equivalent. So in freefall, the light and the ball also travel in straight lines. 3. Now imagine two people in freefall on Earth, passing a ball back and forth. From their perspective, they pass the ball in a straight line. From a stationary perspective, the ball ...
... weightless. Einstein says these are equivalent. So in freefall, the light and the ball also travel in straight lines. 3. Now imagine two people in freefall on Earth, passing a ball back and forth. From their perspective, they pass the ball in a straight line. From a stationary perspective, the ball ...
Astronomy DR Packet
... interference and can form extremely clear images, since it is in _______________ above the Earth’s _______________________. Observations With Telescopes 14. The Greek word for planet, means “wanderer”. Why do you think this is? ...
... interference and can form extremely clear images, since it is in _______________ above the Earth’s _______________________. Observations With Telescopes 14. The Greek word for planet, means “wanderer”. Why do you think this is? ...
star_temperatures
... • The hotter the star, the more light it gives off at all wavelengths, through each unit area of its surface – luminosity is proportional to T4 so even a small increase in temperature makes a big increase in luminosity ...
... • The hotter the star, the more light it gives off at all wavelengths, through each unit area of its surface – luminosity is proportional to T4 so even a small increase in temperature makes a big increase in luminosity ...
Mon Jul 29, 2013 SUN IN LEO? NO, CANCER!
... were at the center of our galaxy, for when you looked along the milky band of light that defines the galactic disc, you saw roughly the same number of stars throughout. Other astronomers suggested that interstellar dust clouds kept us from seeing the great wealth of stars that lay at the galaxy's he ...
... were at the center of our galaxy, for when you looked along the milky band of light that defines the galactic disc, you saw roughly the same number of stars throughout. Other astronomers suggested that interstellar dust clouds kept us from seeing the great wealth of stars that lay at the galaxy's he ...
Tackling the 5th Grade Science Test
... --if a force is applied in the opposite direction of an object, the speed will decrease --the mass of an object affects its movement when a force is applied. The greater the mass, the more force required to move the object. --if no forces act on an object, the object does not change its motion and m ...
... --if a force is applied in the opposite direction of an object, the speed will decrease --the mass of an object affects its movement when a force is applied. The greater the mass, the more force required to move the object. --if no forces act on an object, the object does not change its motion and m ...
the Scientific Revolution - Kapteyn Astronomical Institute
... corresponding to the six known planets ...
... corresponding to the six known planets ...
Cosmo: Student`s Workbook
... Century could provide before it was detectable. Today parallax will detect a star out to a distance of 2-300 ly. Even on our base line of 300 million km (the diameter of the Earth’s orbit), we cannot detect the parallax of stars beyond that distance. By the end of the 19th Century we had a good cata ...
... Century could provide before it was detectable. Today parallax will detect a star out to a distance of 2-300 ly. Even on our base line of 300 million km (the diameter of the Earth’s orbit), we cannot detect the parallax of stars beyond that distance. By the end of the 19th Century we had a good cata ...
Space Exploration Review Notes
... elliptical orbit around our Sun that can be predicted. Comet tails only appear when they are near a sun. The hot, solar winds vapourize the ice and blow the tail in a direction that faces away from the sun (not trailing behind the comet as some people think). Comets have elliptical orbits with two f ...
... elliptical orbit around our Sun that can be predicted. Comet tails only appear when they are near a sun. The hot, solar winds vapourize the ice and blow the tail in a direction that faces away from the sun (not trailing behind the comet as some people think). Comets have elliptical orbits with two f ...
powerpoint - High Energy Physics at Wayne State
... tops of convection cells 700 to 1000 km diameter last 10 minutes centers ~ 100 K hotter than edges ...
... tops of convection cells 700 to 1000 km diameter last 10 minutes centers ~ 100 K hotter than edges ...
1.1989 x 10 30 kg
... Sun rotates faster than the poles of the Sun. This is called the differential rotation. Sunspots and many other solar activities are due to this differential rotation. ...
... Sun rotates faster than the poles of the Sun. This is called the differential rotation. Sunspots and many other solar activities are due to this differential rotation. ...
"The Probability and Effects of an Asteroid Impact with Earth"
... where the temperature increases with height. Corona = crown. The outermost region of hot gases surrounding the Sun where temperatures reach 12 million K, and where the solar wind originates. Sunspot cycle. The interval of ~11 years over which sunspot numbers increase and wane. Proton-proton chain. T ...
... where the temperature increases with height. Corona = crown. The outermost region of hot gases surrounding the Sun where temperatures reach 12 million K, and where the solar wind originates. Sunspot cycle. The interval of ~11 years over which sunspot numbers increase and wane. Proton-proton chain. T ...
Midterm Study Guide
... 63. What is the difference between a covalent and ionic bond? 64. What are 4 processes that form minerals? ...
... 63. What is the difference between a covalent and ionic bond? 64. What are 4 processes that form minerals? ...
Astronomy Lecture 1a
... ___ 86. Electromagnetic waves with small wavelengths have ? frequencies. A.low B.high C.there is no relationship between wavelength versus frequency ___ 87. The ? system uses right ascension and declination to define the position of astronomical objects. A.horizon B.equatorial C.both the horizon and ...
... ___ 86. Electromagnetic waves with small wavelengths have ? frequencies. A.low B.high C.there is no relationship between wavelength versus frequency ___ 87. The ? system uses right ascension and declination to define the position of astronomical objects. A.horizon B.equatorial C.both the horizon and ...
A Sun-Centered Universe - Sierra College Astronomy Home Page
... Ptolemaic and make the uniform circular motion Model relative to another point, equally offset from center called the equant It is difficult to know whether Ptolemy believed the universe actually worked this way, or was this simply a model that gave fairly accurate predictions. D-7 ...
... Ptolemaic and make the uniform circular motion Model relative to another point, equally offset from center called the equant It is difficult to know whether Ptolemy believed the universe actually worked this way, or was this simply a model that gave fairly accurate predictions. D-7 ...
Jul - Wadhurst Astronomical Society
... cumbersome when we talk about the Solar System where we more usually use the Astronomical Unit, the AU; the distance from the Earth to the Sun. On this scale the distance to the Moon is 0.0025 AU, Saturn is 10 AU from the Sun, Uranus 20 AU and Neptune 30 AU. This is ok for the Solar System but great ...
... cumbersome when we talk about the Solar System where we more usually use the Astronomical Unit, the AU; the distance from the Earth to the Sun. On this scale the distance to the Moon is 0.0025 AU, Saturn is 10 AU from the Sun, Uranus 20 AU and Neptune 30 AU. This is ok for the Solar System but great ...
Astronomy Teleclass Webinar!
... Mercury is the closest, but not the hottest planet. The side facing the Sun gets to 800oF, and the side facing away from the Sun gets to ‐280oF. The solar system includes eight planets, their moons, the Sun at the center, and smaller objects such as comets and asteroids. The Sun is made out of 7 ...
... Mercury is the closest, but not the hottest planet. The side facing the Sun gets to 800oF, and the side facing away from the Sun gets to ‐280oF. The solar system includes eight planets, their moons, the Sun at the center, and smaller objects such as comets and asteroids. The Sun is made out of 7 ...
Unit 1: The Big Picture
... Size Increased in size by 1030 in less than 10-30 sec. (started out the size of an atom and grew instantly to the size of a galaxy) Continues to grow as galaxies are moving away from each other…Hubble’s Law ...
... Size Increased in size by 1030 in less than 10-30 sec. (started out the size of an atom and grew instantly to the size of a galaxy) Continues to grow as galaxies are moving away from each other…Hubble’s Law ...