Where in the night sky can you observe the famous double star system Mizar and Alcor?
Q: Dinary star system is observed orbiting with a period of 20.0 years, at an average distance of 5.0…
A:
Q: Based on your radial velocity curve, record the orbital period P in days. This is the time elapsed…
A: 1) The orbital period P is the time elapsed between two subsequent peaks or troughs on the curve.…
Q: a) Calculate the period of the solar system's orbit around the Milky Way. Assume that we are 8.5 kpc…
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Q: What is an emission nebula?
A: The space between stars and galaxies is filled with clouds of gas and dust. These clouds of gas and…
Q: A star is observed to cross the meridian at an elevation of 67°, as seen from an observatory at a…
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Q: Why are there few spectroscopic binaries in which the stars are separated by more than 10 AU?
A: A binary star system is formed when two stars come close enough that they form an orbit around the…
Q: Suppose you observe a star orbiting the Galatic center at a speed of 1000 km/s in a circular orbit…
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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…
Q: An astronomer makes precise measurements of a star with respect to the background celestrial sphere.…
A: Given, The star changes its position from January 1 to July 1 by a total of 1.9 arc seconds. Its the…
Q: Orion nebula is located at 450 pc. Calculate the parallax angle.
A: Parallax is a method used to calculate the distance to astronomical objects like stars. Parallax is…
Q: What are the approximate spectral type, temperature, absolute magnitude number, and luminosity of…
A: Required : Spectral type, absolute magnitude, temperature and luminosity of star E.
Q: What is the most common type of star?
A: There are different types of stars in our universe. They are mainly categorized based on their mass,…
Q: Calculate the mass of a star having a diameter of 6E5 km and an average density of 1.5 g/cm3.…
A: We have : Density = masscolumeVolume of star = 43x π x r3Diameter of star = 6 x 105kmRadius of star…
Q: an absolute magnitude of -3 is more luminous than an absolute magnitude of-8.
A: Given, Absolute magnitude of objects
Q: 3. The Sun has an apparent visual magnitude of my = -27 and is 150 × 106 km from the Earth. If the…
A: Given: Let us consider the given data, mV=-27 Distance, d=150×106 km 1 pc=3.09×1016 m To find:…
Q: Considering that Earth experiences an average intensity of sunlight of 1330 W/m? and is at a…
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Q: What do you mean by white dwarfs?
A: Given What do you mean by white dwarfs, as following below.
Q: Why might stars true masses be higher than the value calculated
A: Solution Given data Why might star true masses be higher than the value calculated?
Q: If a star 10 parsecs away from us was moved and appeared to be 4 times brighter after movement, how…
A: Given, d=10 parsecs
Q: The apparent magnitude of a star is (4.3) and the parallax angle is (0.161) arcseconds. The absolute…
A: The absolute magnitude of a star is given by the formula, M=m-5 log10D10 where D is distance of the…
Q: Which celestial object contains more mass? O Star O Galaxy O Nebula O Comet
A: Now, using the Kepler's planetary laws, we can write: Mass of star = Around 0.08-150 solar masses…
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…
Q: What causes a star to move off the main sequence?
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Q: Suppose the distance to a star is doubled. Then the luminosity of the star is O Remains the same,…
A: Luminosity and apparent brightness are 2 different things. Luminosity is unique property of body and…
Q: Why do distant stars look redder than their spectral types suggest?
A: The pace is mostly empty but there are areas of large density of the interstellar medium. It…
Q: Which of the following statements is CORRECT in terms of the star's absolute magnitude??
A: (1) Kepler's Law for Planetary motion states Every planet orbits in an elliptical shape with the…
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: tain
A: Given:- (a) For given TLC: The solvent front is 5.5 cm.
Q: Why does the orbital period of a binary star depend on its mass?
A: A binary system is formed when two massive astronomical objects start orbiting each other around a…
Q: A distant F0 star is 6.3 times less bright than a nearer F0 star which has a parallax of 0.2…
A: Given: p=0.2 arcsec The distance of the distant F0 star from the nearer F0 star is : d=1p=10.2=5…
Q: What is the color of the stars shown on the diagram that have the lowest surface temperature? O red…
A: Required: Color of the stars,
Q: Two stars, named A and B, each with a mass equal to the Sun's mass are in orbit around each other.…
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Q: What is the apparent magnitude of the sun as seen from Saturn about 10 AU away? Appear to magnitude…
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Q: Calculate the gravitational energy released by the Sun.
A: “Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: What does a quarter wavelength look like , like theta/4
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Q: Using the center-of-mass equations or the Center of Mass Calculator (under Binary-Star Basics,…
A: Given: In this question, the given details are Consider the star 1 has m1=3.4 solar masses, and the…
Q: A star orbiting Sagittarius A* is orbiting 970 AU from a 4 million MSun object. How fast (in km/s)…
A: The centripetal force is the force that keeps the planet or the star revolving around a central…
Q: A less massive star will usually live longer than a more massive star O True O False
A: In star hydrogen is the fuel
Q: The figure below shows the radial velocity of a star plotted as a function of time over the course…
A: The radial velocity is a function of time, and also the radial velocity varies simple harmonically…
Q: How is the blue color of a reflection nebula related to the blue color of the daytime sky?
A: Nebula is a giant cloud of dust and gas. Some are formed after the explosion of a star when it's…
Q: What is the total mass of a visual binary system if the average separation of the stars is 7.1 AU…
A: A binary star system is made up of two stars that rotate around each other, IF the average distance…
Where in the night sky can you observe the famous double star system Mizar and Alcor?
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