AST 1002
... AST 1002 Descriptive Astronomy (3) (A.A.) The course meets Area V requirements for the A.A./A.S. general education requirements. This course is designed to give the student an understanding of the basic principles of astronomy. Topics covered include the history of astronomy, timekeeping, instrument ...
... AST 1002 Descriptive Astronomy (3) (A.A.) The course meets Area V requirements for the A.A./A.S. general education requirements. This course is designed to give the student an understanding of the basic principles of astronomy. Topics covered include the history of astronomy, timekeeping, instrument ...
Chapter 1 Notes
... Bang. Evidence for this origin for the universe is • The universe is expanding. • There is cosmic background radiation. • There are a lot of simple elements (hydrogen and helium). ...
... Bang. Evidence for this origin for the universe is • The universe is expanding. • There is cosmic background radiation. • There are a lot of simple elements (hydrogen and helium). ...
LENA
... Relative size of the different luminosities is not well known: it depends on uncertainties of the explosion mechanism and the equation of state of hot neutron star matter ...
... Relative size of the different luminosities is not well known: it depends on uncertainties of the explosion mechanism and the equation of state of hot neutron star matter ...
sun
... equal areas in equal times. Therefore when the when the planet is closer to the sun it moves faster and when it is farther away it moves ...
... equal areas in equal times. Therefore when the when the planet is closer to the sun it moves faster and when it is farther away it moves ...
Due Date: Thursday, September 21, 2006
... c. What is the acceleration of gravity? If you drop a rock from very high up, approximately how fast will it be falling after 4 seconds? (5pt) 3. Chapter 4, Review Questions 7. State each of Newton’s three laws of motion. For each law, give an example of its application. (15pt) 4. Stellar Parallax: ...
... c. What is the acceleration of gravity? If you drop a rock from very high up, approximately how fast will it be falling after 4 seconds? (5pt) 3. Chapter 4, Review Questions 7. State each of Newton’s three laws of motion. For each law, give an example of its application. (15pt) 4. Stellar Parallax: ...
Damian and Jack 7K
... structure of an atom and orderly, all atoms are broken down into their constituent parts. An atom is constructed of protons, electrons and neutrons. Neutrons have no electric charge and therefore do not interact much with the surrounding medium. As a result neutrons leave the core pretty quickly. Th ...
... structure of an atom and orderly, all atoms are broken down into their constituent parts. An atom is constructed of protons, electrons and neutrons. Neutrons have no electric charge and therefore do not interact much with the surrounding medium. As a result neutrons leave the core pretty quickly. Th ...
Supernovae
... • After expulsion of outer layers, core forms either: – neutron star (Mcore < 2.5 M) or – black hole (depends on gravitational field which causes further compression). ...
... • After expulsion of outer layers, core forms either: – neutron star (Mcore < 2.5 M) or – black hole (depends on gravitational field which causes further compression). ...
12.7 Mirages, Apparent Depth, Rainbowsfill
... Remember our brain perceives light travelling in a ________________________ ________________________________________________________________much shallower than the actual depth ...
... Remember our brain perceives light travelling in a ________________________ ________________________________________________________________much shallower than the actual depth ...
0802 - thephysicsteacher.ie
... so there is more hydrogen than any other substance. The name comes from the two Greek words hydro and genes, which together mean 'water-forming'. Hydrogen atoms were made in the Big Bang, when the universe is believed to have started. The diameter of a hydrogen atom is 0.000000074 mm - this means th ...
... so there is more hydrogen than any other substance. The name comes from the two Greek words hydro and genes, which together mean 'water-forming'. Hydrogen atoms were made in the Big Bang, when the universe is believed to have started. The diameter of a hydrogen atom is 0.000000074 mm - this means th ...
The Solar System Activities Outline
... comet comes near the Sun, the Sun’s gravitational pull speeds it up until it is going fastest when closest to the Sun. The comet’s path is bent by the increasing pull of the Sun’s gravity until it swings around the Sun and heads back into deep space. The comet’s momentum sends it far into space, alt ...
... comet comes near the Sun, the Sun’s gravitational pull speeds it up until it is going fastest when closest to the Sun. The comet’s path is bent by the increasing pull of the Sun’s gravity until it swings around the Sun and heads back into deep space. The comet’s momentum sends it far into space, alt ...
Untitled - Notion Press
... tons of mass goes? The rest of mass is converted into energy. This energy is equivalent to detonating 400 billions of one megaton nuclear bombs. This amount of energy is created in only a second, amazing! The sun is radiating energy from these many years by the process of nuclear fusion of the hydro ...
... tons of mass goes? The rest of mass is converted into energy. This energy is equivalent to detonating 400 billions of one megaton nuclear bombs. This amount of energy is created in only a second, amazing! The sun is radiating energy from these many years by the process of nuclear fusion of the hydro ...
The Earth and BeyondGCSE
... Light from other galaxies has a longer _________ than expected. This shows that these galaxies are moving ____ from us very quickly. This effect is seen to a greater extent in galaxies that are _______ away from us. This indicates that the further away the galaxy is, the ______ it is moving. This ev ...
... Light from other galaxies has a longer _________ than expected. This shows that these galaxies are moving ____ from us very quickly. This effect is seen to a greater extent in galaxies that are _______ away from us. This indicates that the further away the galaxy is, the ______ it is moving. This ev ...
Study Guide answers Ch 8
... What are comets, asteroids and meteoroids? Comets- ice mixed with rocks and dust that moves in a long narrow orbit around the sun Asteroids- large chunks of rock or metal in space Meteoroids- small pieces of comets or asteroids, called a “meteor” if it enters earth’s atmosphere, and a “meteorite” if ...
... What are comets, asteroids and meteoroids? Comets- ice mixed with rocks and dust that moves in a long narrow orbit around the sun Asteroids- large chunks of rock or metal in space Meteoroids- small pieces of comets or asteroids, called a “meteor” if it enters earth’s atmosphere, and a “meteorite” if ...
Powerpoint of lecture 16
... isothermality, internal pressure gradients build up and core contraction slows to thermal timescale, with slow release of gravitational energy • H-shell very T-sensitive – acts as thermostat: if shell contracts, T rises, grows, causing further T rise and raising thermal pressure – shell expands ...
... isothermality, internal pressure gradients build up and core contraction slows to thermal timescale, with slow release of gravitational energy • H-shell very T-sensitive – acts as thermostat: if shell contracts, T rises, grows, causing further T rise and raising thermal pressure – shell expands ...
A SOLAR SYSTEM IS BORN
... to be attracted to each other. • As particles move closer together, collisions cause pressure to increase and particles are pushed apart. • If the inward force of gravity is balanced by outward pressure, the nebula becomes stable. ...
... to be attracted to each other. • As particles move closer together, collisions cause pressure to increase and particles are pushed apart. • If the inward force of gravity is balanced by outward pressure, the nebula becomes stable. ...
Lecture1
... measure from the ground; the atmosphere tends to blur images on scales of ~1 arcsec. It is possible to measure parallax angles smaller than this, but only down to ~0.02 arcsec (corresponding to a distance of 1/0.02 = 50 pc). Until recently, accurate parallaxes were only available for a few hundred ...
... measure from the ground; the atmosphere tends to blur images on scales of ~1 arcsec. It is possible to measure parallax angles smaller than this, but only down to ~0.02 arcsec (corresponding to a distance of 1/0.02 = 50 pc). Until recently, accurate parallaxes were only available for a few hundred ...
EXERCISES: Set 4 of 4 Q1: (You will need a ruler and a calculator
... quasars. Three lines are marked. (a) Indicate on which portion of the Curve-of-Growth each line falls. (b) Measure the equivalent widths of lines (1) and (2). Why is it not possible to measure the equivalent width of line (3) accurately? (c) Assuming that lines (1) and (2) are Lyα lines, deduce the ...
... quasars. Three lines are marked. (a) Indicate on which portion of the Curve-of-Growth each line falls. (b) Measure the equivalent widths of lines (1) and (2). Why is it not possible to measure the equivalent width of line (3) accurately? (c) Assuming that lines (1) and (2) are Lyα lines, deduce the ...