Express the number of stars in a typical galaxy in scientific notation
Q: The distance to Capella is 42.34 light years. Convert this distance to astronomical units
A: To convert the distance to Capella from light years to astronomical units (AU), we need to know the…
Q: Recall that Hubble’s Law is given by V=HR; this means that H has units of inverse seconds (1/sec).…
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Q: Consider two identical stars, A and B. Star B is 10 times farther away than star A. What is the…
A: Two identical stars A and B are given which are at different distances.
Q: An astronomical unit (AU) is defined as the average distance between the solar system and…
A: In the given problem we have to defined an astronomical unit AU.
Q: Calculate the number of miles in a light-year, using 1.86 105 mi/s as the speed of light. (Hint: The…
A: The light-year is the unit of length, and it is used to represent the astronomical distance.
Q: How many nanometers are in a 5km distance?
A: Given: The distance is 5 km.
Q: A light year (LY) is the distance that light travels in one year. 1 LY = 9.46x1015 m. Suppose we…
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Q: If the speed of light is given as 299,792,458 meters per second and the wavelength is 375 nm. what…
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Q: given: a (distance to center of galaxy in AU) = 1,717,914,439 AU P (suns orbital period in years)…
A: Given: a (distance to center of galaxy in AU) = 1,717,914,439 AU P (suns orbital period in years) =…
Q: A star has a parallax of 0.8 seconds of arc. What is the distance of the star?
A: Parallax can be defined as the change in the position of an object due to a change in the observer's…
Q: The difference in absolute magnitude between two objects at the same distance is related to their…
A: "Since you have asked multiple question, as per our guidelines we will solve the first question for…
Q: In astromy, distances are often expressed in light Years. one light year is the distance traveled by…
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Q: Calculate the number of miles in a light-year, using 1.86 105 mi/s as the speed of light. (Hint:…
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Q: The star Spica is observed to have a parallax of 0.012000. How far away is it in parsecs answers to…
A: Parallax is the change in the apparent position of the object that results from a change in…
Q: How many parsecs are there in 212 light-years?
A: We know that 1 light year = 0.3066 parsecs
Q: The density of Sirius B is 2×106 g/cm3 and its mass is 1.95×1030 kg. What is the radius of the white…
A: The given data are: ρ=2×106 g/cm3=2×109 kg/m3m=1.95×1030 kg Here, ρ and m represent the density and…
Q: Our galaxy is approximately 100,000 light years in diameter and 2,000 light years thick through the…
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Q: Direction: Read the setting on the following 0.001 millimeter vernier - micrometer scale (metric…
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Q: A star has an apparent magnitude of 10.0 and an absolute magnitude of 2.5. How far away is it?
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Q: For a circular velocity profile of the type (r) = ar¹/9, where a is a constant and r is the radial…
A: Step 1: Step 2: Step 3: Step 4:
Q: If the Sun's mass is about average, how many stars are there in the Milky Way galaxy? The mass of…
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Q: The Sun is located towards the edge of the galaxy (see the image on the next page), about 2/3rd of…
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Q: Measure the length of the meter stick using your ruler. How many ‘rulers’ is equal to the length of…
A: A standard wooden/plastic ruler measures 1 feet i.e. 12 inches or 30 cm. As a meter stick is 1…
Q: Find the approximate mass of the dark and luminous matter in the Milky Way galaxy. Assume the…
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Q: Raising a number in scientific notation to a power is easy: (5 x 105)2 = (5)² x (105)2 = 5 x 5 x 105…
A: Given data: Radius of sun (R) = 7×105 km Mass (m) = 2.0×1030 kg π = 3.14 Required: The volume in…
Q: Convert the following to scientific notation: 6700000
A: In scientific notation, numbers are written as a base, A,[A referred as significant] multiplied by…
Q: White Dwarf Size II. The white dwarf, Sirius B, contains 0.98 solar mass, and its density is about 2…
A: It is given that, M=0.98 solar mass=0.98×1.989×1030 kg=1.95×1030 kgρ=2×106 g/cm3=2×106×103…
Q: A star has a parallax of 0.2 seconds of arc. What is the distance of the star?
A: The change in the apparent position of an object with a change in position of the observer is called…
Q: How many light years are in one parsec? (Use at least two significant figures)
A: Distance is Note:Convert the distance in units of .
Q: A radio transmitter broadcasts at a frequency of 143kHz. What is the wavelength of the wave? ( speed…
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Q: Exercise: One parsec is a unit of distance equal to roughly 3.25 light-years. The prefix Mega means…
A: For this problem, it is required to convert the distance 24 Mpc into kilometers. It is given that, 1…
Q: If the Sun's mass is about average, how many stars are there in the Milky Way galaxy? The mass of…
A: Given, Mass of galaxy = 1042 kg Mass of sun = 1030 Kg
Q: Suppose the binary system is 1018 m away from us and the maximum distance between them is 100 m.…
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Q: 4 2.
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Q: How do you calculate the mass of a star?
A: To calculate mass of a single star is a difficult process however to calculate the mass of binary…
Q: A star has a parallax angle of 0.0270 arcseconds and an apparent magnitude of 4.641. What is the…
A: According to the guidelines, only one question will be answered. Please submit the other question…
Q: Calculate the number of miles in a light-year, using 1.86 105 mi/s as the speed of light. (Hint:…
A: Given data: The speed of light c = 1.86 × 105 miles/s No. of days in a year = 365 days
Q: How about 11518 light-years? how many sig figs are there?
A: The given quantity is 11518 light-years.
Q: Convert the following to scientific notation: 340000000000 O 34 x 10 11 O 3.4 x 1011 O 34 x 101 3.4…
A: Recall Scientific noataion is written in A×10n
Q: For a circular velocity profile of the type (r) = ar¹ ar1/9, where a is a constant and r is the…
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Q: rag the tiles to thể boxes tố förm correct pairs. The table shows the distances between a star and…
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Q: Our sun was born approximately 4.6 billion years ago. How many journeys around the centre of our…
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Q: A supernova in a distant galaxy is observed to be having an absolute magnitude of -19 and an…
A: The distance to stars can be calculated from their apparent and absolute magnitudes. Apparent…
Express the number of stars in a typical galaxy in scientific notation
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