Lecture 1
... exoplanet — A moderately large object that orbits a star and shines primarily by reflecting light from its star. According to the 2006 definition of the IAU (International Astronomical Union), an object can be considered an exoplanet only if it: 1. orbits a star (or stellar remnant) 2. has a mass l ...
... exoplanet — A moderately large object that orbits a star and shines primarily by reflecting light from its star. According to the 2006 definition of the IAU (International Astronomical Union), an object can be considered an exoplanet only if it: 1. orbits a star (or stellar remnant) 2. has a mass l ...
Lecture 1: Nucleosynthesis, solar composition, chondrites, volatility
... 2) Nucleosynthesis – how did the elements form? 3) What is the bulk composition of the solar system and how did it form? 4) How did bulk solar system stuff condense into solids and eventually planets? 5) What evidence is available from meteorites? ...
... 2) Nucleosynthesis – how did the elements form? 3) What is the bulk composition of the solar system and how did it form? 4) How did bulk solar system stuff condense into solids and eventually planets? 5) What evidence is available from meteorites? ...
Chapter 1 Introduction to the Earth
... • Much harder to determine and measure • No natural division • Earth spins on it’s axis ...
... • Much harder to determine and measure • No natural division • Earth spins on it’s axis ...
May 8, 2012 - Plummer Pumas Science
... The Sun’s temperature was much hotter and it was much larger. __________________________________________________________________________________________________ __________________________________________________________________________________________________ ________________________________________ ...
... The Sun’s temperature was much hotter and it was much larger. __________________________________________________________________________________________________ __________________________________________________________________________________________________ ________________________________________ ...
ASTRONOMY 12 Problem Set 1 – Due Thursday, January 21, 2016
... main sequence (and hence the total energy it can produce on the main sequence) is proportional to M, how does the lifetime of a star on the main sequence depend on its mass, i.e., if τ ∝ M n , what is n? If the Sun lives 10 billion years on the main sequence, how long would a 0.8 solar mass star liv ...
... main sequence (and hence the total energy it can produce on the main sequence) is proportional to M, how does the lifetime of a star on the main sequence depend on its mass, i.e., if τ ∝ M n , what is n? If the Sun lives 10 billion years on the main sequence, how long would a 0.8 solar mass star liv ...
unit1solarsystem-practicetest
... 20. In the circle below, shade the portion of the moon that is in darkness as viewed from Victoria, BC when the moon is at position A (Figure 3). (1 mark) ...
... 20. In the circle below, shade the portion of the moon that is in darkness as viewed from Victoria, BC when the moon is at position A (Figure 3). (1 mark) ...
ASTRO OTTER (for secondary students)
... see why we do not have a lunar eclipse every full moon and why solar eclipses occur only during a new moon. Partial, total and annular eclipses are explained. TEK Gr. 6- 11(A), Gr. 8-7(A) Seasons ...
... see why we do not have a lunar eclipse every full moon and why solar eclipses occur only during a new moon. Partial, total and annular eclipses are explained. TEK Gr. 6- 11(A), Gr. 8-7(A) Seasons ...
100 Greatest Discoveries in Science
... 13. The Universe Is Accelerating (1998 – 2000) Unexpectedly, astronomers find that instead of slowing down due to the pull of gravity, the expansion of the universe at great distances is accelerating. If these observations are correct and the trend continues, it will result in the inability to see ...
... 13. The Universe Is Accelerating (1998 – 2000) Unexpectedly, astronomers find that instead of slowing down due to the pull of gravity, the expansion of the universe at great distances is accelerating. If these observations are correct and the trend continues, it will result in the inability to see ...
hwk08
... If the gas is extremely non-degenerate, its pressure is P 2 n e k T, the ideal gas law. The factor of 2 accounts for electrons plus protons. If it's moderately degenerate, then P ( 2.34 × 10 erg cm 2 ) n e 5 / 3 + n e k T. The second term represents protons, which are certainly not degene ...
... If the gas is extremely non-degenerate, its pressure is P 2 n e k T, the ideal gas law. The factor of 2 accounts for electrons plus protons. If it's moderately degenerate, then P ( 2.34 × 10 erg cm 2 ) n e 5 / 3 + n e k T. The second term represents protons, which are certainly not degene ...
1.1 Organization of the Universe
... 2.What was the theory proposed before the heliocentric model? What did this theory state? ...
... 2.What was the theory proposed before the heliocentric model? What did this theory state? ...
SASS_Talk_4_16_08
... Earth Rotation = Sky Rotation Polaris - The North Star Circumpolar Star - “Around the Pole” star - Does not set below horizon in the sky at a particular latitude Noncircumpolar Star - Rises and sets at some time during the day or night ...
... Earth Rotation = Sky Rotation Polaris - The North Star Circumpolar Star - “Around the Pole” star - Does not set below horizon in the sky at a particular latitude Noncircumpolar Star - Rises and sets at some time during the day or night ...
Testing - School District of Lomira
... • Convection combined with the rotation pattern of the Sun—faster at the equator than at the poles—causes solar activity because these gas motions stretch and twist the Sun’s magnetic field. ...
... • Convection combined with the rotation pattern of the Sun—faster at the equator than at the poles—causes solar activity because these gas motions stretch and twist the Sun’s magnetic field. ...
SkyMatters Jan-2017 - CIT Blackrock Castle Observatory
... Mercury is a morning planet this month, farthest to the west of the Sun on 19th. It is a challenging object as always and requires a small telescope or binoculars. Venus is an evening planet and is farthest from the Sun on 12th. It will be very bright and easy to spot. A small telescope will reveal ...
... Mercury is a morning planet this month, farthest to the west of the Sun on 19th. It is a challenging object as always and requires a small telescope or binoculars. Venus is an evening planet and is farthest from the Sun on 12th. It will be very bright and easy to spot. A small telescope will reveal ...
ASTR120 Homework 1 − Solutions
... Jupiter : Your diagram should look something like the one in box 4 - 1. In this case, the Earth ’ s orbit is the inferior planet orbit and Jupiter ’ s oribit replaces that of the Earth. From this diagram, you can tell that from conjunction to conjuction, Jupiter -the outer planet -- makes less than ...
... Jupiter : Your diagram should look something like the one in box 4 - 1. In this case, the Earth ’ s orbit is the inferior planet orbit and Jupiter ’ s oribit replaces that of the Earth. From this diagram, you can tell that from conjunction to conjuction, Jupiter -the outer planet -- makes less than ...
ASTR100 (Spring 2008) Introduction to Astronomy Our Star
... We learn about the inside of the Sun by… Making mathematical models. Observing “sunquakes”. Observing solar neutrinos. ...
... We learn about the inside of the Sun by… Making mathematical models. Observing “sunquakes”. Observing solar neutrinos. ...
Midterm exam
... 15. Where on Earth’s surface is the observer at location A located a. At the equator b. At the South Pole c. At the North Pole d. In Al-Ain 16. The Milky Way Galaxy is best described as a. A type of solar system b. A constellation visible to everyone on Earth c. A region in space between the orbits ...
... 15. Where on Earth’s surface is the observer at location A located a. At the equator b. At the South Pole c. At the North Pole d. In Al-Ain 16. The Milky Way Galaxy is best described as a. A type of solar system b. A constellation visible to everyone on Earth c. A region in space between the orbits ...
The Solar Nebula Theory
... – Inherited from the motion of materials in the solar nebula. – The planets and moons mostly rotate and revolve in the same directions because they evolved from the same gas cloud. – The planet’s orbits lie in the same plane because the solar nebula collapsed into a rotating disk from which the plan ...
... – Inherited from the motion of materials in the solar nebula. – The planets and moons mostly rotate and revolve in the same directions because they evolved from the same gas cloud. – The planet’s orbits lie in the same plane because the solar nebula collapsed into a rotating disk from which the plan ...
The Sun
... The sun creates energy by nuclear fusion in its core The visible surface of the Sun is called the photosphere A thin cool layer, the chromosphere, allows us to determine what the sun is made of A very thin but very hot outer layer is called the corona Convection in the sun is revealed by granulation ...
... The sun creates energy by nuclear fusion in its core The visible surface of the Sun is called the photosphere A thin cool layer, the chromosphere, allows us to determine what the sun is made of A very thin but very hot outer layer is called the corona Convection in the sun is revealed by granulation ...
Space - by Georgia, Emily and Issy
... is now a middle-aged star, meaning it is at about the middle of its life. The Sun formed over 4.5 billion years ago. You may think the Sun will die soon, but it will keep shining for at least another five billion years. The Sun’s diameter is about 870,000 miles wideand Fun Fact Did you know 109 time ...
... is now a middle-aged star, meaning it is at about the middle of its life. The Sun formed over 4.5 billion years ago. You may think the Sun will die soon, but it will keep shining for at least another five billion years. The Sun’s diameter is about 870,000 miles wideand Fun Fact Did you know 109 time ...
Friday, April 11
... Mass of products is less than the original mass The missing mass is emitted in the form of energy, according to Einstein’s famous formulas: ...
... Mass of products is less than the original mass The missing mass is emitted in the form of energy, according to Einstein’s famous formulas: ...
Earth in the Universe
... Evidence for the Bang! • If the Big Bang did occur, the energy released would expand along with the matter. • Radiation from the bang would be mixed with radiation given off from stars at later times. • Recently, background radiation has been found to be coming from all directions in the universe. ...
... Evidence for the Bang! • If the Big Bang did occur, the energy released would expand along with the matter. • Radiation from the bang would be mixed with radiation given off from stars at later times. • Recently, background radiation has been found to be coming from all directions in the universe. ...
