Orion nebula is located at 450 pc. Calculate the parallax angle.
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A: Diagram for explaining parallax angle: o star / \…
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A: 1) The orbital period P is the time elapsed between two subsequent peaks or troughs on the curve.…
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Q: What is an emission nebula?
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Q: We can use the parallax equation to determine the distances (in pc) to the stars. 1 dA da dB dB = =…
A: From the given related question,we have,mv = 14Parallax of star A = 0.060 arc secondsParallax of…
Q: 6. |A visual binary has a parallax 00 = 0.4 arcsec, a maximum separation a00 = 6.0 arcsec, and an…
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Q: 1. Planet A has an orbital period of 12 years and radius that is 0.033 times the radius of the star.…
A: “Since you have asked multiple question, we will solve the first question for you. If you want any…
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Q: How much more luminous is the Sun viewed from Earth than from Pluto, 40.0 AU away? from Earth Lsun…
A: Luminosity follows inverse square relationship with the distance Thus, Lsun from Earth/ Lsun from…
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A: Radius of the exoplanet
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A: We have : Density = masscolumeVolume of star = 43x π x r3Diameter of star = 6 x 105kmRadius of star…
Q: An astronomical image shows two objects that have the same apparent magnitude, i.e., the same…
A: Let the luminosity of the star is Ls= LoLuminosity of Milky Way galaxy, Lm=1011LoLuminosity of…
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Q: Astronomy) (Part A) White Dwarf Size II. The white dwarf, Sirius B, contains 0.98 solar mass, and…
A: Mass of the dwarf planet = 0.98 solar mass = 1.96 * 1033 gm…
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A: The expression for the Kepler’s third law for binary stars is as follows: MA+MB=a3p2…
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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: What do you mean by white dwarfs?
A: Given What do you mean by white dwarfs, as following below.
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A: To estimate the mass of the star that left the main sequence 45 years ago, let's break down the…
Q: The star Firefly is located 3.0 pc away. If it had an absolute magnitude of 13.0, which value below…
A: Formula for absolute magnitude is, Mv=m-2.5log(d10)2 Where, Mv = absolute magnitude m = apparent…
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: Consider a binary system in which both stars have circular orbits. For star 1, the radius of this…
A: Given: Distance between the stars =d= 0.5 AU + 0.125 AU Aperture = D = 2.4 m Distance of starts…
Q: If a star is 30 parsecs away what is it's observed parallax shift ?
A: Given thatThe distance to the star (d)=30 parsecsParallax Formulad=1pp=the parallax angle of the…
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Q: What is the dependence of the intensities of stars on parallax? Hint: consider the inverse-square…
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Q: velocity curve for a double line spectroscopic binary is shown in the sketch. The system is viewed…
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Q: The greatest parallax angle of any star outside our solar system as viewed from Earth is Group of…
A: 1)We know that the parallax angle for the distant star is smaller, and the parallax angle for the…
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Q: What is the free-fall time of a 10 MSun main-sequence star? O 100 hours 10 hours O 1 hour O 0.1…
A: The problem is based upon free fall of a star. Here the given star is having the mass 10 times the…
Q: What is an eclipsing binary?
A: Eclipsing binary is a variable star. It comes under binary star system.
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Q: You are observing the two different exoplanet systems orbiting identical stars. Pandora is an ice…
A: Required Which exoplanet will block more light.
Q: The star Sirius has an apparent magnitude of -1.46 and appears 95-times brighter compared to the…
A: Part a: Magnitude in astronomy is defined as an index for the brightness of a star and is denoted by…
Q: Two stars are found to orbit each other once every 6.00 months. If the orbital radius (distance)…
A: According to Kepler’s third law, for a binary star system, we have the following relation between…
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: The star Firefly is located 3.0 pc away. If it had an absolute magnitude of 13.0, which value below…
A: Write the given data. d=3AbsM=13
Q: Earth is about 150 million kilometers from the Sun (1 Astronomical Unit, or AU), and the apparent…
A: The expression for the luminosity of the sun is given as, L=4πd2b
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