Background Information - Eu-Hou
... is B-V, which is simply an object’s magnitude as measured through the B filter, minus its magnitude as measured through the V filter. The luminosity of a star can be determined from its magnitude and distance. However, if you don’t know the distance to the star then you can’t find the luminosity. To ...
... is B-V, which is simply an object’s magnitude as measured through the B filter, minus its magnitude as measured through the V filter. The luminosity of a star can be determined from its magnitude and distance. However, if you don’t know the distance to the star then you can’t find the luminosity. To ...
How many galaxies are there in the Universe?
... This worksheet is adapted from an undergraduate exercise at http://cosmos.phy.tufts.edu/~zirbel/laboratories/HDF.pdf This picture was taken with the Hubble Space Telescope, and it is known as the Hubble ultra-deep field. The image results from an observation taken with the telescope trained on one t ...
... This worksheet is adapted from an undergraduate exercise at http://cosmos.phy.tufts.edu/~zirbel/laboratories/HDF.pdf This picture was taken with the Hubble Space Telescope, and it is known as the Hubble ultra-deep field. The image results from an observation taken with the telescope trained on one t ...
Lecture103002
... If mass is large/dense enough, there is some radius at which escape velocity is larger than speed of light ...
... If mass is large/dense enough, there is some radius at which escape velocity is larger than speed of light ...
Physics 1 Revision Lesson 6 Sound and the Red shift
... Sound and the Red shift The higher the amplitude… ...
... Sound and the Red shift The higher the amplitude… ...
File
... • It is the radiation produced by the motion of atoms and molecules in an object. • The higher the temperature, the more the atoms and molecules move and the more infrared radiation they produce. • Any object radiates in the infrared. Even an ice cube, emits infrared. ...
... • It is the radiation produced by the motion of atoms and molecules in an object. • The higher the temperature, the more the atoms and molecules move and the more infrared radiation they produce. • Any object radiates in the infrared. Even an ice cube, emits infrared. ...
Cosmic Landscape Introduction Study Notes About how
... What was the Big Bang? What are dark matter and dark energy? The Big Bang was the event that, according to many astronomical theories, created the Universe. It occurred about 13.7 billion years ago and generated the expanding motion that we observe today. Dark matter is matter that emits no detecta ...
... What was the Big Bang? What are dark matter and dark energy? The Big Bang was the event that, according to many astronomical theories, created the Universe. It occurred about 13.7 billion years ago and generated the expanding motion that we observe today. Dark matter is matter that emits no detecta ...
chapter10
... 1 teaspoon of white dwarf material: mass ≈ 16 tons!!! Chunk of white dwarf material the size of a beach ball would outweigh an ocean liner! ...
... 1 teaspoon of white dwarf material: mass ≈ 16 tons!!! Chunk of white dwarf material the size of a beach ball would outweigh an ocean liner! ...
TT_and_the_Universe
... measuring distance to remote galaxies. They use color spectrum analysis to check temperature. ...
... measuring distance to remote galaxies. They use color spectrum analysis to check temperature. ...
Chapter 24 Wave Optics Diffraction Grating Interference by Thin
... Example: Visible light includes wavelengths from 4x10-7 m to 7x10-7m. Find the angular width of the first-order spectrum produced by a grating ruled with 800 lines/cm. Solution: The slit space d that corresponding to 800 line/cm is d=(10-2 m/cm)/(8x103 lines/cm)=1.25x10-6 m Since m=1, sinΘb=λb/d = 4 ...
... Example: Visible light includes wavelengths from 4x10-7 m to 7x10-7m. Find the angular width of the first-order spectrum produced by a grating ruled with 800 lines/cm. Solution: The slit space d that corresponding to 800 line/cm is d=(10-2 m/cm)/(8x103 lines/cm)=1.25x10-6 m Since m=1, sinΘb=λb/d = 4 ...
How Big is the Solar System?
... about the Sun of a particle having infinitesimal mass, moving with a mean motion of 0.01720209895 radians per day, or that length for which the heliocentric gravitational constant is equal to 0.017202098952 AU3/d2. It is approximately equal to the mean Earth– Sun distance. Very precise measurements ...
... about the Sun of a particle having infinitesimal mass, moving with a mean motion of 0.01720209895 radians per day, or that length for which the heliocentric gravitational constant is equal to 0.017202098952 AU3/d2. It is approximately equal to the mean Earth– Sun distance. Very precise measurements ...
- Astrocampus
... Rigel is a hot blue supergiant star and Betelgeuse is a huge cool red giant, 8 times larger than Rigel. Although they appear to be the same brightness, Rigel is further away (772 light years compared to 644 light years), meaning it is naturally brighter. �e sword of Orion can be seen as three stars ...
... Rigel is a hot blue supergiant star and Betelgeuse is a huge cool red giant, 8 times larger than Rigel. Although they appear to be the same brightness, Rigel is further away (772 light years compared to 644 light years), meaning it is naturally brighter. �e sword of Orion can be seen as three stars ...
Name: ______________________________# __________ Study Guide is due WEDNESDAY November 2
... 1. What branch of earth science deals with studying the objects in space? ...
... 1. What branch of earth science deals with studying the objects in space? ...
Document
... •Knowledge of the stars and other astrophysical objects relies on the information that is provided to us through electromagnetic radiation…. •To do astronomy one must know physics…Need to understand light and how it interacts with matter. Fortunately we understand a lot… ...
... •Knowledge of the stars and other astrophysical objects relies on the information that is provided to us through electromagnetic radiation…. •To do astronomy one must know physics…Need to understand light and how it interacts with matter. Fortunately we understand a lot… ...
here
... rotational degrees of freedom: ½I ω2 =kT. Spherical grain, with I = 2/5 mR2, radius R = N 10−10 m, and mass density = 1 kg m−3, the rotation frequency =2 103 Sqrt(T/N5) GHz • T~100K, grain radius~100 atoms ~50GHz ...
... rotational degrees of freedom: ½I ω2 =kT. Spherical grain, with I = 2/5 mR2, radius R = N 10−10 m, and mass density = 1 kg m−3, the rotation frequency =2 103 Sqrt(T/N5) GHz • T~100K, grain radius~100 atoms ~50GHz ...
Life Cycles of Stars
... Fate of High Mass Stars • After Helium is exhausted, core collapses again until it becomes hot enough to fuse Carbon into Magnesium or Oxygen. • Through a combination of processes, successively heavier elements are formed and burned. ...
... Fate of High Mass Stars • After Helium is exhausted, core collapses again until it becomes hot enough to fuse Carbon into Magnesium or Oxygen. • Through a combination of processes, successively heavier elements are formed and burned. ...
The Life of a Star
... • As long as they have hydrogen atoms to fuse into helium atoms they just keep on releasing lots of energy. ...
... • As long as they have hydrogen atoms to fuse into helium atoms they just keep on releasing lots of energy. ...
pptx
... If a white dwarf gains enough matter from another star so that its mass exceeds 1.4 M, it experiences a Type Ia supernova, which is bright enough to be seen in distant parts of the universe. These supernova always have the same luminosities, and therefore can be used as standard candles for measuri ...
... If a white dwarf gains enough matter from another star so that its mass exceeds 1.4 M, it experiences a Type Ia supernova, which is bright enough to be seen in distant parts of the universe. These supernova always have the same luminosities, and therefore can be used as standard candles for measuri ...
Simultaneous Multiple Wavelength Observation
... can now exploit observations in different wavelengths to study astronomical objects. For example, the far infrared (of wavelengths around 10-4 m) image in picture (b) can be used to locate the regions of M81 in which there is formation of new stars. It is because the temperature of star formation re ...
... can now exploit observations in different wavelengths to study astronomical objects. For example, the far infrared (of wavelengths around 10-4 m) image in picture (b) can be used to locate the regions of M81 in which there is formation of new stars. It is because the temperature of star formation re ...
INV 12B MOTION WITH CHANGING SPEED DRY LAB DATA
... 2. Describe each group briefly, and list which galaxies you put in each group. CHALLENGE 3. What is the connection between the apparent shape of a galaxy and the galaxy's relationship to the viewer? Hint: Think about how an edge-on view of a compact disc differs from a view of it lying flat on a tab ...
... 2. Describe each group briefly, and list which galaxies you put in each group. CHALLENGE 3. What is the connection between the apparent shape of a galaxy and the galaxy's relationship to the viewer? Hint: Think about how an edge-on view of a compact disc differs from a view of it lying flat on a tab ...
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.