Calculating Parallax Lab
... methods of determining distances: radar, parallax, standard candles, and the Hubble Law. Each of these methods is most useful at certain distances, with radar being useful nearby (for example, the Moon), and the Hubble Law being useful at the farthest distances. In this exercise, we investigate the ...
... methods of determining distances: radar, parallax, standard candles, and the Hubble Law. Each of these methods is most useful at certain distances, with radar being useful nearby (for example, the Moon), and the Hubble Law being useful at the farthest distances. In this exercise, we investigate the ...
1 Chapter 2 - University of Minnesota
... 1) Except for a truly negligible precession, the direction of the earth’s rotation axis remains fixed in space, providing us with an invaluably constant frame of reference. 2) The earth’s rotation axis is used to define the north and south celestial poles, and also the celestial equator. 3) The nort ...
... 1) Except for a truly negligible precession, the direction of the earth’s rotation axis remains fixed in space, providing us with an invaluably constant frame of reference. 2) The earth’s rotation axis is used to define the north and south celestial poles, and also the celestial equator. 3) The nort ...
Planetary Pretzels - Johns Hopkins University
... home planet in recorded history, nor would it again be as close for nearly three centuries. How did astronomers know this? Did they calculate the distance of Mars for every single day between now and August 28, 2287? The answer is that the calculation can be much easier than that. Mars makes a close ...
... home planet in recorded history, nor would it again be as close for nearly three centuries. How did astronomers know this? Did they calculate the distance of Mars for every single day between now and August 28, 2287? The answer is that the calculation can be much easier than that. Mars makes a close ...
PH507 - University of Kent
... 4. The temperature of an opaque cloud is measured to be 20K. Find the wavelength of the peak blackbody emission. In which part of the electromagnetic spectrum does the peak lie? ...
... 4. The temperature of an opaque cloud is measured to be 20K. Find the wavelength of the peak blackbody emission. In which part of the electromagnetic spectrum does the peak lie? ...
ASTRONOMY 12 Problem Set 1 – Due Thursday, January 21, 2016
... 4) Consider an astronaut descending feet first into a ten solar mass (one solar mass is 1.99 × 1033 gm) black hole. Assume the astronaut is tall (she soon will be) and has a height of 200 cm and has a mass of 60 kg (6 × 104 gm). a) What would be the tidal force between the bottom of her feet and the ...
... 4) Consider an astronaut descending feet first into a ten solar mass (one solar mass is 1.99 × 1033 gm) black hole. Assume the astronaut is tall (she soon will be) and has a height of 200 cm and has a mass of 60 kg (6 × 104 gm). a) What would be the tidal force between the bottom of her feet and the ...
Origin of the Solar System
... mostly hydrogen and helium, but there were trace amounts of hydrogen compounds, rock, and metals • Condensation (gas solidifying into solid) occurs at different temperatures • Warmer temperatures closer to the center of the disk (Sun) • Temperature decreases as we move towards the edge of the disk ...
... mostly hydrogen and helium, but there were trace amounts of hydrogen compounds, rock, and metals • Condensation (gas solidifying into solid) occurs at different temperatures • Warmer temperatures closer to the center of the disk (Sun) • Temperature decreases as we move towards the edge of the disk ...
Lecture 3, PPT version
... The moon rises about 50 minutes later from one day to the next. New moon must rise and set with the sun (6am and 6pm), respectively. Full moon must rise when the sun is setting (6pm), and must set at sunrise the following day (6am). First quarter is mid-way between new and full, so it must rise at n ...
... The moon rises about 50 minutes later from one day to the next. New moon must rise and set with the sun (6am and 6pm), respectively. Full moon must rise when the sun is setting (6pm), and must set at sunrise the following day (6am). First quarter is mid-way between new and full, so it must rise at n ...
INV 12B MOTION WITH CHANGING SPEED DRY LAB DATA
... f. the only planet with Goldilocks conditions g. planet with hot, heavily-cratered surface h. space object that causes craters i. the force that exists between any two bodies in the universe j. process that developed the three layers of Earth and Moon’s interior k. a large cloud of gas and dust in s ...
... f. the only planet with Goldilocks conditions g. planet with hot, heavily-cratered surface h. space object that causes craters i. the force that exists between any two bodies in the universe j. process that developed the three layers of Earth and Moon’s interior k. a large cloud of gas and dust in s ...
K-‐8 Earth and Space TEKS Cards
... Earth and space. The student knows there are recognizable patterns in the natural world and among objects in the sky. The student is expected to: (A) observe, measure, record, and compare day-to-day weather changes in different locations at the same time that include air temperature, wind direction, ...
... Earth and space. The student knows there are recognizable patterns in the natural world and among objects in the sky. The student is expected to: (A) observe, measure, record, and compare day-to-day weather changes in different locations at the same time that include air temperature, wind direction, ...
Practice Quiz Gravitation
... kg, the mass of Earth is 5.97 × 1024 kg, and G = 6.67 × 10-11 N•m2/kg2. What is the force exerted by Venus on Earth at that point? A) 1.10 × 1018 N B) 4.62 × 1028 N C) 6.30 × 1020 N D) 1.72 × 1019 N Answer: A 2) Two identical spheres, each of mass M and radius R just touch each other. What is the ma ...
... kg, the mass of Earth is 5.97 × 1024 kg, and G = 6.67 × 10-11 N•m2/kg2. What is the force exerted by Venus on Earth at that point? A) 1.10 × 1018 N B) 4.62 × 1028 N C) 6.30 × 1020 N D) 1.72 × 1019 N Answer: A 2) Two identical spheres, each of mass M and radius R just touch each other. What is the ma ...
Review Sheet
... some notes on physics, and an overview of the planets. From the quick introduction to the night sky you should understand: • What the celestial sphere is. If it is real. • What the celestial north pole is and how the north star relates to it. • The horizon coordinate system for identifying to a frie ...
... some notes on physics, and an overview of the planets. From the quick introduction to the night sky you should understand: • What the celestial sphere is. If it is real. • What the celestial north pole is and how the north star relates to it. • The horizon coordinate system for identifying to a frie ...
PHYS 390 Lecture 3
... luminosity of young stars is observed to increase steadily with their temperature, so a measurement of temperature (from wavelength) provides a measure of L. Knowing T by itself doesn’t tell us L unless the radius if known. (ii) L is related to the pulsation period of Cepheid variables Originally di ...
... luminosity of young stars is observed to increase steadily with their temperature, so a measurement of temperature (from wavelength) provides a measure of L. Knowing T by itself doesn’t tell us L unless the radius if known. (ii) L is related to the pulsation period of Cepheid variables Originally di ...
Fundamental properties of the Sun - University of Iowa Astronomy
... • The Sun is “melting away” • Density 19 orders of magnitude less than atmosphere • A medium for solar events • May have “sandblasted” the early atmosphere of Mars ...
... • The Sun is “melting away” • Density 19 orders of magnitude less than atmosphere • A medium for solar events • May have “sandblasted” the early atmosphere of Mars ...
Earth Science
... • Latitude-Longitude System: the most commonly used coordinate system used for the Earth. This system is based on observations of the sun and other stars. ...
... • Latitude-Longitude System: the most commonly used coordinate system used for the Earth. This system is based on observations of the sun and other stars. ...
Page 4
... the first astronomers that we have evidence of their observations. Their calendars were thorough and having a calendar meant that organized agriculture was possible. • Producing extra food meant that other people in these societies could be freed up from farming to focus o skills such as wood workin ...
... the first astronomers that we have evidence of their observations. Their calendars were thorough and having a calendar meant that organized agriculture was possible. • Producing extra food meant that other people in these societies could be freed up from farming to focus o skills such as wood workin ...
Document
... ~ The moon takes 29 ½ days, one month to revolve around the Earth. ~ The moon completes one rotation in the same amount of time it takes to orbit the Earth so we see the same side of the moon all the time. ~ The moon reflects light from the sun. ~ Phases of the moon are the apparent changes in the s ...
... ~ The moon takes 29 ½ days, one month to revolve around the Earth. ~ The moon completes one rotation in the same amount of time it takes to orbit the Earth so we see the same side of the moon all the time. ~ The moon reflects light from the sun. ~ Phases of the moon are the apparent changes in the s ...
Sir Isaac Newton
... of the movement of the sun and the moon, and the planets, and the stars were good predictors of future positions of celestial bodies; models were verifiable simplicity (Occam's Razor or the Principle of Parsimony) - as few assumptions or rules as possible; no contradictions. ...
... of the movement of the sun and the moon, and the planets, and the stars were good predictors of future positions of celestial bodies; models were verifiable simplicity (Occam's Razor or the Principle of Parsimony) - as few assumptions or rules as possible; no contradictions. ...
The Sun
... The Sun’s interior cont… • each second – Sun consumes ~ 600 million tons of hydrogen – Converting ~ 4 million tons into energy – As hydrogen is consumed, helium is produced forming the solar core • Core is continually growing in size • ~ 100 billion years of fuel left • The sun will remain it’s cur ...
... The Sun’s interior cont… • each second – Sun consumes ~ 600 million tons of hydrogen – Converting ~ 4 million tons into energy – As hydrogen is consumed, helium is produced forming the solar core • Core is continually growing in size • ~ 100 billion years of fuel left • The sun will remain it’s cur ...
Fall 2014 -- Astronomy 1010: Planetary Astronomy Exam 1
... a. the universe is expanding in all directions at the same rate b. a unique center of the universe exists c. the universe looks the same everywhere and in all directions as long as you look on large enough spatial scales d. physical laws change from place to place in the universe e. the universe is ...
... a. the universe is expanding in all directions at the same rate b. a unique center of the universe exists c. the universe looks the same everywhere and in all directions as long as you look on large enough spatial scales d. physical laws change from place to place in the universe e. the universe is ...