AST111, Lecture 1b
... • Spacecraft tracking data. Doppler shifts can be measured precisely, allowing direct measurement of gravitational acceleration. • Perturbations on nearby debris such as rings. ...
... • Spacecraft tracking data. Doppler shifts can be measured precisely, allowing direct measurement of gravitational acceleration. • Perturbations on nearby debris such as rings. ...
Gravity
... the basic force in the universe. Every body (planet, moon, star, comet, asteroid, meteor, etc.) in the solar system has a force that pulls things to itself. That's gravity- the force of attraction between all objects in the universe. ...
... the basic force in the universe. Every body (planet, moon, star, comet, asteroid, meteor, etc.) in the solar system has a force that pulls things to itself. That's gravity- the force of attraction between all objects in the universe. ...
Scientific Revolution
... • Professor of mathematics and military engineering, which gave him access to a secret weapon captured from the Dutch—the telescope (used to spy on enemy armies) • Galileo pointed it at the sky and discovered many more stars than the 2,000 visible to the naked eye • Galileo saw moons around Jupiter, ...
... • Professor of mathematics and military engineering, which gave him access to a secret weapon captured from the Dutch—the telescope (used to spy on enemy armies) • Galileo pointed it at the sky and discovered many more stars than the 2,000 visible to the naked eye • Galileo saw moons around Jupiter, ...
The Sun
... Can see rising and falling convection cells => granulation. Bright granules hotter and rising, dark ones cooler and falling. (Remember convection in Earth's atmosphere, interior and Jupiter). ...
... Can see rising and falling convection cells => granulation. Bright granules hotter and rising, dark ones cooler and falling. (Remember convection in Earth's atmosphere, interior and Jupiter). ...
Astronomy Toolkit
... • Hipparcos classified the stars visible to the naked eye into six different brightness classes called magnitudes • Hipparcos chose to categorize the brightest stars as magnitude 1, and the faintest as magnitude 6 (smaller numbers are brighter stars) • The magnitude system of Hipparcos is still in u ...
... • Hipparcos classified the stars visible to the naked eye into six different brightness classes called magnitudes • Hipparcos chose to categorize the brightest stars as magnitude 1, and the faintest as magnitude 6 (smaller numbers are brighter stars) • The magnitude system of Hipparcos is still in u ...
CH 12
... Isaac Newton: Newton had formulated his three laws of mechanics. It was natural to check and see if they apply beyond the earth and be able to explain the motion of the planets around the sun. Newton after studying Kepler’s laws came to the following ...
... Isaac Newton: Newton had formulated his three laws of mechanics. It was natural to check and see if they apply beyond the earth and be able to explain the motion of the planets around the sun. Newton after studying Kepler’s laws came to the following ...
BThayerTalk3
... orbit such that its closest point to the Sun (or "perihelion") shifts forward with each pass. Astronomers had been aware for two centuries of a small flaw in the orbit, as predicted by Newton's laws. Einstein's predictions exactly matched the observation. ...
... orbit such that its closest point to the Sun (or "perihelion") shifts forward with each pass. Astronomers had been aware for two centuries of a small flaw in the orbit, as predicted by Newton's laws. Einstein's predictions exactly matched the observation. ...
PHYS 2421 EXAM #5 Wednesday, November 11
... 98. To alleviate the traffic congestion between two cities such as Boston and Washington, D.C., engineers have proposed building a rail tunnel along a chord line connecting the cities (Fig. 13-55). A train, unpropelled by any engine and starting from rest, would fall through the first half of the tu ...
... 98. To alleviate the traffic congestion between two cities such as Boston and Washington, D.C., engineers have proposed building a rail tunnel along a chord line connecting the cities (Fig. 13-55). A train, unpropelled by any engine and starting from rest, would fall through the first half of the tu ...
E3 STELLAR DISTANCES E4 COSMOLOGY
... A main sequence star emits most of its energy at λ = 2.4 x 10-7 m. Its apparent brightness is measure at 4.3 x 10-9 W m-2. How far away is the star? [28 pc] ...
... A main sequence star emits most of its energy at λ = 2.4 x 10-7 m. Its apparent brightness is measure at 4.3 x 10-9 W m-2. How far away is the star? [28 pc] ...
Formation of the Solar System The Solar System
... – Orbits are all in a single plane. ü – The Sun’s equator lies in this plane. ü – Planetary orbits are nearly circular. ü – Planets all revolve in the same direction. ü – Most planets and the Sun rotate in the same direction that the planets revolve. ü – Planets have almost all of the angular moment ...
... – Orbits are all in a single plane. ü – The Sun’s equator lies in this plane. ü – Planetary orbits are nearly circular. ü – Planets all revolve in the same direction. ü – Most planets and the Sun rotate in the same direction that the planets revolve. ü – Planets have almost all of the angular moment ...
We live on the earth. It`s one of the planets in our solar
... We live on the_______________. It's one of the planets in our solar system. Solar means connected to the sun and the sun is the center of our neighborhood. The sun isn't a planet. It's actually a star and stars are basically big balls of __________ gas. The center of the sun or its core is like an e ...
... We live on the_______________. It's one of the planets in our solar system. Solar means connected to the sun and the sun is the center of our neighborhood. The sun isn't a planet. It's actually a star and stars are basically big balls of __________ gas. The center of the sun or its core is like an e ...
The Far Future Sun and the Ultimate Fates of
... The Sun will end up between the 0.7 and the 1 solar mass points in this plot, depending on how much mass it loses at the helium core flash. With a very steep mass loss relation, it is less likely than for the "Reimers' mass loss formula" case that the Sun will lose much mass on the first ascent of t ...
... The Sun will end up between the 0.7 and the 1 solar mass points in this plot, depending on how much mass it loses at the helium core flash. With a very steep mass loss relation, it is less likely than for the "Reimers' mass loss formula" case that the Sun will lose much mass on the first ascent of t ...
Space (Part 1)
... has cleared the area around its orbit of objects.” This photograph shows Pluto and its moon, Charon. Pluto’s orbit is surrounded by smaller objects which have not been cleared by its gravitational field. Pluto and the other ‘smaller’ planet-like objects such as Eris and Ceres have now been reclassif ...
... has cleared the area around its orbit of objects.” This photograph shows Pluto and its moon, Charon. Pluto’s orbit is surrounded by smaller objects which have not been cleared by its gravitational field. Pluto and the other ‘smaller’ planet-like objects such as Eris and Ceres have now been reclassif ...
Global Warming_Notes_for_Test_Review[1]
... mass. 4. Fusion is the process that powers the Sun and other Stars. True 5. A black hole is the beginning stage of every massive star. False. A black hole is the ending stage of a massive star. 6. A nebula is a vast cloud of gas or dust. True. 7. When particles from the sun collide with air molecule ...
... mass. 4. Fusion is the process that powers the Sun and other Stars. True 5. A black hole is the beginning stage of every massive star. False. A black hole is the ending stage of a massive star. 6. A nebula is a vast cloud of gas or dust. True. 7. When particles from the sun collide with air molecule ...
Lecture 2 - Physics and Astronomy
... Astronomers use angles to denote the positions and apparent sizes of objects in the sky ...
... Astronomers use angles to denote the positions and apparent sizes of objects in the sky ...
solar system
... A SEASON is one of the four periods of the year. Each eason--spring, summer, autumn, and winter--lasts about hree months and brings changes in temperature, weather, nd the length of daylight. During the spring, the days are warm in middle parts of the Northern Hemiphere, the northern half of the Ear ...
... A SEASON is one of the four periods of the year. Each eason--spring, summer, autumn, and winter--lasts about hree months and brings changes in temperature, weather, nd the length of daylight. During the spring, the days are warm in middle parts of the Northern Hemiphere, the northern half of the Ear ...
Celestial Motions
... parallax could mean one of two things: 1. Stars are so far away that stellar parallax is too small to notice with the naked eye 2. Earth does not orbit Sun; it is the center of the universe With rare exceptions such as Aristarchus, the Greeks rejected the correct explanation (1) because they did not ...
... parallax could mean one of two things: 1. Stars are so far away that stellar parallax is too small to notice with the naked eye 2. Earth does not orbit Sun; it is the center of the universe With rare exceptions such as Aristarchus, the Greeks rejected the correct explanation (1) because they did not ...
Solar System - Legacy High School
... • The uniquely red surface of Mars is marked by many interesting features - some like those on the Earth and others strangely different. The reddish color is caused by rust (iron oxide) in the soil. – Some of these features are; volcanoes, canyon systems, river beds, cratered terrain, and dune fiel ...
... • The uniquely red surface of Mars is marked by many interesting features - some like those on the Earth and others strangely different. The reddish color is caused by rust (iron oxide) in the soil. – Some of these features are; volcanoes, canyon systems, river beds, cratered terrain, and dune fiel ...
PPT - greenslime.info
... “Tropics” (23.5°N and 23.5°S Latitude) Summer Solstice is the longest day of the year in the Northern Hemisphere (Sun directly over Tropic of Cancer-23.5°N-at noon) Winter solstice = shortest day of the year for Northern Hemisphere (Sun directly over Tropic of Capricorn-23.5°S-at noon) ...
... “Tropics” (23.5°N and 23.5°S Latitude) Summer Solstice is the longest day of the year in the Northern Hemisphere (Sun directly over Tropic of Cancer-23.5°N-at noon) Winter solstice = shortest day of the year for Northern Hemisphere (Sun directly over Tropic of Capricorn-23.5°S-at noon) ...
Solar System
... • The uniquely red surface of Mars is marked by many interesting features - some like those on the Earth and others strangely different. The reddish color is caused by rust (iron oxide) in the soil. – Some of these features are; volcanoes, canyon systems, river beds, cratered terrain, and dune fiel ...
... • The uniquely red surface of Mars is marked by many interesting features - some like those on the Earth and others strangely different. The reddish color is caused by rust (iron oxide) in the soil. – Some of these features are; volcanoes, canyon systems, river beds, cratered terrain, and dune fiel ...
Friday, April 11
... describes how they “work”: – Collecting data (Identify the stars) – Analyzing data (Classify the stars) – Building a theory (Explain the classes and their ...
... describes how they “work”: – Collecting data (Identify the stars) – Analyzing data (Classify the stars) – Building a theory (Explain the classes and their ...
Study Guide Beginning Astronomy
... You must know these things: Earth's diameter is about 8000 miles Moon's distance is about 60 Earth radii (240,000 miles) Average distance of Earth to Sun is about 93 million miles (150 million km) One light-year is how far light travels in a vacuum in a year, about 6 trillion miles. “Parsec” is sh ...
... You must know these things: Earth's diameter is about 8000 miles Moon's distance is about 60 Earth radii (240,000 miles) Average distance of Earth to Sun is about 93 million miles (150 million km) One light-year is how far light travels in a vacuum in a year, about 6 trillion miles. “Parsec” is sh ...
The phases of the moon are produced by:
... A) the side of the moon facing the Earth receives no sunlight. B) the side of the moon facing the Earth receives full sunlight. C) the moon is between the Earth and the sun D) none of these ...
... A) the side of the moon facing the Earth receives no sunlight. B) the side of the moon facing the Earth receives full sunlight. C) the moon is between the Earth and the sun D) none of these ...