Wave
... N.B.: 1) “spectrum” = function (intensity of EM radiation as a function of energy) 2) “electromagnetic spectrum” = types of radiation as a function of energy ...
... N.B.: 1) “spectrum” = function (intensity of EM radiation as a function of energy) 2) “electromagnetic spectrum” = types of radiation as a function of energy ...
Intro Astro PP
... • His systematic method was to name a star by using a letter or number followed by the Latin name of the constellation. ...
... • His systematic method was to name a star by using a letter or number followed by the Latin name of the constellation. ...
light years
... The most distant galaxy yet discovered in the universe is about 13.3 billion light-years away. Light from this galaxy has been moving through space for over 13 billion years! Therefore, the universe must be at least 13 billion years old. (In fact, scientists have calculated the universe’s age to be ...
... The most distant galaxy yet discovered in the universe is about 13.3 billion light-years away. Light from this galaxy has been moving through space for over 13 billion years! Therefore, the universe must be at least 13 billion years old. (In fact, scientists have calculated the universe’s age to be ...
Components of Optical Instruments
... Absorption Filters This type of filters absorbs most incident wavelengths and transmits a band of wavelengths. Sometimes, they are called transmission filters. Absorption filters are cheap and can be as simple as colored glasses or plastics. They transmit a band of wavelengths with an effective ban ...
... Absorption Filters This type of filters absorbs most incident wavelengths and transmits a band of wavelengths. Sometimes, they are called transmission filters. Absorption filters are cheap and can be as simple as colored glasses or plastics. They transmit a band of wavelengths with an effective ban ...
Lecture 5 – The Night Sky
... We will discuss many types of objects; let’s see them too • Examples: • Red Supergiants (Antares) • “Population II Stars” (Arcturus) • Galaxies (M81) • Basic astronomical phenomena known since antiquity • First, we need a system to describe the sky ...
... We will discuss many types of objects; let’s see them too • Examples: • Red Supergiants (Antares) • “Population II Stars” (Arcturus) • Galaxies (M81) • Basic astronomical phenomena known since antiquity • First, we need a system to describe the sky ...
Stellar Evolution
... Mass Loss from Stars Stars like our sun are constantly losing mass in a stellar wind (→ solar wind). ...
... Mass Loss from Stars Stars like our sun are constantly losing mass in a stellar wind (→ solar wind). ...
1 Ay 124 Winter 2014 – HOMEWORK #1
... Problem 1. Observing Distant Solar-type Stars Assume for the time being that the Galaxy has no dust, and that we are observing along a line of sight at b = 0 deg and l = 180 deg. We are interested in observing the most distant solar-type stars (MV ' +5.1) possible, but our apparent magnitude limit f ...
... Problem 1. Observing Distant Solar-type Stars Assume for the time being that the Galaxy has no dust, and that we are observing along a line of sight at b = 0 deg and l = 180 deg. We are interested in observing the most distant solar-type stars (MV ' +5.1) possible, but our apparent magnitude limit f ...
Life Cycle of Star EDpuzzle worksheet
... 1. What force is causing the nebula to get denser and hotter? 2. What happens during nuclear fusion? a. 4 atoms of H fuse into 1 atom of He. b. 4 atoms of He fuse into 1 atom of H. 3. What determines what happens to a star for the rest of its life? a. How hot it is. b. How bright it is. c. How far a ...
... 1. What force is causing the nebula to get denser and hotter? 2. What happens during nuclear fusion? a. 4 atoms of H fuse into 1 atom of He. b. 4 atoms of He fuse into 1 atom of H. 3. What determines what happens to a star for the rest of its life? a. How hot it is. b. How bright it is. c. How far a ...
Chemistry 201/211 - Department of Chemistry | Oregon State
... be seen? In the 1930’s, scientists built an electron microscope that uses electrons instead of light to probe matter. If the speed of the electrons (m = 9.1110-31 kg) used is 1.45107 m/s, what wavelength do the electrons have? How many times smaller can the electron microscope see? 6.) Kalahari bu ...
... be seen? In the 1930’s, scientists built an electron microscope that uses electrons instead of light to probe matter. If the speed of the electrons (m = 9.1110-31 kg) used is 1.45107 m/s, what wavelength do the electrons have? How many times smaller can the electron microscope see? 6.) Kalahari bu ...
ASTR100 Homework #5 Solutions Chapter 11 #29, 31 Due
... Also the more massive a white dwarf is, the smaller it is! This is because the more mass a white dwarf has, the more its electrons must squeeze together to maintain enough outward pressure to support the extra mass. There is a limit on the amount of mass a white dwarf can have, however. This limit i ...
... Also the more massive a white dwarf is, the smaller it is! This is because the more mass a white dwarf has, the more its electrons must squeeze together to maintain enough outward pressure to support the extra mass. There is a limit on the amount of mass a white dwarf can have, however. This limit i ...
Life and Death Of A Star - EarthSpaceScience
... • A star’s color is directly related to its temperature • Blue – hottest • White – hot • Yellow – medium • Red – Cool ...
... • A star’s color is directly related to its temperature • Blue – hottest • White – hot • Yellow – medium • Red – Cool ...
Texts - mistergui
... of mysteries you'd need to solve if you assumed it was purloined.] The implication of this star and planet is important as well. In the early 1990s, we didn’t know how common planets were in the Milky Way. We only had ours to look at. But then in 1995, planets were found orbiting stars like the Sun, ...
... of mysteries you'd need to solve if you assumed it was purloined.] The implication of this star and planet is important as well. In the early 1990s, we didn’t know how common planets were in the Milky Way. We only had ours to look at. But then in 1995, planets were found orbiting stars like the Sun, ...
Our Solar System, Our Galaxy, then the Universe
... of over 400 million settlements might be built with a total population of perhaps two trillion. At this distance from the sun, solar energy is still a practical source. The solar arrays must be much bigger than those used near Earth, but the size is still manageable, particularly for an advance ...
... of over 400 million settlements might be built with a total population of perhaps two trillion. At this distance from the sun, solar energy is still a practical source. The solar arrays must be much bigger than those used near Earth, but the size is still manageable, particularly for an advance ...
ppt - Slides by Prof Christian
... Pressure becomes larger, until electron degeneracy pressure can no longer hold up against gravity. WDs with more than ~ 1.4 solar masses can not exist! Chandrasekhar Limit = 1.4 Msun ...
... Pressure becomes larger, until electron degeneracy pressure can no longer hold up against gravity. WDs with more than ~ 1.4 solar masses can not exist! Chandrasekhar Limit = 1.4 Msun ...
Module Outlines
... Where μ is the proper motion in arcseconds/year and d is the distance in parsecs. Proper motion can be thought of as motion on the celestial sphere. ...
... Where μ is the proper motion in arcseconds/year and d is the distance in parsecs. Proper motion can be thought of as motion on the celestial sphere. ...
Walk of Discovery: Light
... West) does the 12 o'clock need to point in order for it to work? And what happens during Daylight Savings time? ...
... West) does the 12 o'clock need to point in order for it to work? And what happens during Daylight Savings time? ...
So, What All Is Out There, Anyway
... The earth is the third planet from the sun in a system that includes the moon, the sun, eight other planets and their moons, and smaller objects, such as asteroids and comets. The sun, an average star, is the central and largest body in the solar system National Standards (Grades 9-12) The Origin an ...
... The earth is the third planet from the sun in a system that includes the moon, the sun, eight other planets and their moons, and smaller objects, such as asteroids and comets. The sun, an average star, is the central and largest body in the solar system National Standards (Grades 9-12) The Origin an ...
Slide 1
... The Lives of Stars Gestation, Birth, and Youth: 1. The womb: Stars are born in dense molecular clouds. --The interstellar medium must be dense enough so H atoms can collide and form H2 molecules. This also is facilitated on dust--for other molecules as well. It increases gravitation enough for stars ...
... The Lives of Stars Gestation, Birth, and Youth: 1. The womb: Stars are born in dense molecular clouds. --The interstellar medium must be dense enough so H atoms can collide and form H2 molecules. This also is facilitated on dust--for other molecules as well. It increases gravitation enough for stars ...
Space Exploration Review Key
... Advantage- penetrate dust clouds and can view centre universe Disadvantage- images have lower resolution 6. Radio waves cannot be seen. How do astronomers produce radio images both in the past and today? Dials and needles monitor waves and data is graphed Blue low intensity greens, yellow, red, whit ...
... Advantage- penetrate dust clouds and can view centre universe Disadvantage- images have lower resolution 6. Radio waves cannot be seen. How do astronomers produce radio images both in the past and today? Dials and needles monitor waves and data is graphed Blue low intensity greens, yellow, red, whit ...
UGS303, Extraterrestrial Life: REVIEW FOR FIRST TEST
... high temperature for the reaction to proceed? You should use the concept of potential energy in your explanation, as well as the different types of forces. ...
... high temperature for the reaction to proceed? You should use the concept of potential energy in your explanation, as well as the different types of forces. ...
Astronomical spectroscopy
Astronomical spectroscopy is the study of astronomy using the techniques of spectroscopy to measure the spectrum of electromagnetic radiation, including visible light, which radiates from stars and other hot celestial objects. Spectroscopy can be used to derive many properties of distant stars and galaxies, such as their chemical composition, temperature, density, mass, distance, luminosity, and relative motion using Doppler shift measurements.