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2000 Ho=68 km/s Mpc * Redshift (km/s) 1000 * Virgo Cluster 0 + + 0 a...
2000 Ho=68 km/s MPC + Redshift (km/s) 1000 + + Virgo Cluster + 10 20 Distance...
2000 Ho=68 km/s MPC + Redshift (km/s) 1000 + + Virgo Cluster + 10 20 Distance (Mpc) 0 The universe is expanding according to Edwin Hubble's famous equation v = Hod where v is the velocity of a galaxy at distance d away. Professional astronomers usually talk about Hubble's Constant in the weird units of H, = 70 km/sec/Mpc. This final unit, "Mpo" is the "Megaparsec" and it equals approximately 3 million light years. This is a powerful equation. It...
2000 Ho=68 km/s MPC Redshift (km/s) 1000 2 ... Virgo Cluster 0 1 - o 20...
2000 Ho=68 km/s MPC Redshift (km/s) 1000 2 ... Virgo Cluster 0 1 - o 20 10 Distance (Mpc) Part 4/6 Now we will use the number of kilometers in a Megaparsec to simplify our calculation of the Age of the Universe. The argument is: 1 1 H. 3 x 1019 70 70 km 70 km BOC 3 x 10 km sec sec Mpe Finish this calculation to discover the number of seconds the universe has existed as indicated by...
OLDOS Sixth Problem 2000 Ho=68 km/s Mpc ** Redshift (km/s) 1000 ++ Virgo Cluster + 0...
OLDOS Sixth Problem 2000 Ho=68 km/s Mpc ** Redshift (km/s) 1000 ++ Virgo Cluster + 0 20 10 Distance (Mpc) According to Hubble's Law, what is the recessional velocity of a galaxy that is 130 Mpc away? Part 2/6 km/sec
2000 Ho=68 km/s Mpc x Redshift (km/s) 1000 + * + Virgo Cluster + + +...
2000 Ho=68 km/s Mpc x Redshift (km/s) 1000 + * + Virgo Cluster + + + 0 10 20 Distance (Mpc) 1 The age of the universe can be estimated by calculating which corresponds to the amount of time it H would take for all the galaxies to get to the distances they are today if they had been moving away from us at the time of the Big Bang with the speeds we measure them to be moving. The...
a) A galaxy cluster has a recessional velocity of 44,000 km/s. Using the best estimate for...
a) A galaxy cluster has a recessional velocity of 44,000 km/s. Using the best estimate for Hubble's constant, find the distance to the galaxy cluster. ____________ Mpc b) Suppose the Hubble constant had a value of H= 145 km/s/Mpc. What would be the age of the universe? __________ billion years c) What if H had a value of 35 km/s/Mpc? ____________ billion years
The Hubble Parameter The constant describing the rate of this recession, called the Hubble parameterHubble parameterA...
The Hubble Parameter
The constant describing the rate of this recession, called the
Hubble parameterHubble parameterA measure of the rate of expansion
of the universe, which is the average value of the velocity of
recession divided by distance: about 70 km/s/megaparsec. Hubble
parameter A measure of the rate of expansion of the universe, which
is the average value of the velocity of recession divided by
distance: about 70 km/s/megaparsec. , is used to determine the age
and size of the...
1500 1000 500 5 10 15 20 Distance (Mpc) Figure 7.6: A Hubble diagram showing the...
1500 1000 500 5 10 15 20 Distance (Mpc) Figure 7.6: A Hubble diagram showing the relationship between galaxy distance and re- cessional velocity, where distances were derived from the period-luminosity relationship for Cepheid variable stars identified within each galaxy. The M100 point is circled in red, and based in part on the data shown in Figures 17.4 and 7.5. The slope of the relationship is 79 +4 km sec1 per Mpc, and the correlation coefficient R is 78 %...
this pic will helpful upper one is not clear 1.For Galaxy M87 calculate the distance d in Mpc and recessional velocity vr in km/s. Put your answers separated by a comma. 2.For Galaxy M60 calculate th...
this pic will helpful upper one
is not clear
1.For Galaxy M87 calculate the distance d in Mpc and recessional
velocity vr in km/s. Put your answers separated by a comma.
2.For Galaxy M60 calculate the distance d in Mpc and recessional
velocity vr km/s. Put your answers separated by a comma.
3.For Galaxy M104 calculate the distance d in Mpc and
recessional velocity vr km/s. Put your answers separated by a
comma.
4.For Galaxy M95 calculate the distance d...
9/ the 2011 Nobel Prize in Physics was awarded to 3 men who study white dwarf...
9/ the 2011 Nobel Prize in Physics was awarded to 3 men who study white dwarf supernova explosions, which are known as Type la supernovae. The following problem is designed to give you a feel for what they did, and the sorts of apparent brightnesses and distances they were working with. A typical Type la supernova explosion has a luminosity of 1.72 x 10^36 W. If we observe such a supernova to have an apparent brightness of 1.25 x 10^-17...
Expansion of the Universe Exercise Student Name: Step 1. 1. Using the data in Figures 1-4,...
Expansion of the Universe Exercise Student Name: Step 1. 1. Using the data in Figures 1-4, measure the peak in nanometers) of the Ho from the spectra for each of the four galaxies presented. Step 2. A. Record the wavelength of the highest peak of each galaxy in Table 1. B. Use Equation 1 to calculate the redshift value (z) for each one and record these values in Table 1 as well. c. For the wavelength of HO from a...
2000 Ho=68 km/s MPC + Redshift (km/s) 1000 + + Virgo Cluster + 10 20 Distance (Mpc) 0 The universe is expanding according to Edwin Hubble's famous equation v = Hod where v is the velocity of a galaxy at distance d away. Professional astronomers usually talk about Hubble's Constant in the weird units of H, = 70 km/sec/Mpc. This final unit, "Mpo" is the "Megaparsec" and it equals approximately 3 million light years. This is a powerful equation. It...
2000 Ho=68 km/s MPC Redshift (km/s) 1000 2 ... Virgo Cluster 0 1 - o 20 10 Distance (Mpc) Part 4/6 Now we will use the number of kilometers in a Megaparsec to simplify our calculation of the Age of the Universe. The argument is: 1 1 H. 3 x 1019 70 70 km 70 km BOC 3 x 10 km sec sec Mpe Finish this calculation to discover the number of seconds the universe has existed as indicated by...
OLDOS Sixth Problem 2000 Ho=68 km/s Mpc ** Redshift (km/s) 1000 ++ Virgo Cluster + 0 20 10 Distance (Mpc) According to Hubble's Law, what is the recessional velocity of a galaxy that is 130 Mpc away? Part 2/6 km/sec
2000 Ho=68 km/s Mpc x Redshift (km/s) 1000 + * + Virgo Cluster + + + 0 10 20 Distance (Mpc) 1 The age of the universe can be estimated by calculating which corresponds to the amount of time it H would take for all the galaxies to get to the distances they are today if they had been moving away from us at the time of the Big Bang with the speeds we measure them to be moving. The...
The Hubble Parameter
The constant describing the rate of this recession, called the
Hubble parameterHubble parameterA measure of the rate of expansion
of the universe, which is the average value of the velocity of
recession divided by distance: about 70 km/s/megaparsec. Hubble
parameter A measure of the rate of expansion of the universe, which
is the average value of the velocity of recession divided by
distance: about 70 km/s/megaparsec. , is used to determine the age
and size of the...
1500 1000 500 5 10 15 20 Distance (Mpc) Figure 7.6: A Hubble diagram showing the relationship between galaxy distance and re- cessional velocity, where distances were derived from the period-luminosity relationship for Cepheid variable stars identified within each galaxy. The M100 point is circled in red, and based in part on the data shown in Figures 17.4 and 7.5. The slope of the relationship is 79 +4 km sec1 per Mpc, and the correlation coefficient R is 78 %...
this pic will helpful upper one
is not clear
1.For Galaxy M87 calculate the distance d in Mpc and recessional
velocity vr in km/s. Put your answers separated by a comma.
2.For Galaxy M60 calculate the distance d in Mpc and recessional
velocity vr km/s. Put your answers separated by a comma.
3.For Galaxy M104 calculate the distance d in Mpc and
recessional velocity vr km/s. Put your answers separated by a
comma.
4.For Galaxy M95 calculate the distance d...
Expansion of the Universe Exercise Student Name: Step 1. 1. Using the data in Figures 1-4, measure the peak in nanometers) of the Ho from the spectra for each of the four galaxies presented. Step 2. A. Record the wavelength of the highest peak of each galaxy in Table 1. B. Use Equation 1 to calculate the redshift value (z) for each one and record these values in Table 1 as well. c. For the wavelength of HO from a...
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