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Q: Stars A, B, C, D, and E have apparent magnitudes of 7, 3, -1, 15, and 0, respectively. 1)…
A: The order of the stars in order of declining brightness is given as, -1,0,3,7,15
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: how big is the sun?
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Q: What Is KMT And What Are Its Assumptions?
A: KMT is an abbreviation of the kinetic molecular theory of gases, which is a model that describes the…
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: Describe each of the following nebulae and how they can be observed: HIl region Cold hydrogen gas…
A: (1) HII region (2) Cold hydrogen gas (3) Dust clouds
Q: Why is being able to determine a distance form just an angular measurement important? Also why is…
A: As we know, The angular measurements are the divided circle by the scale of a vernier protractor. It…
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: What is an Astronomical Unit (AU) based on?
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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: The telescope and CCD camera described in question 2 are scheduled to observe the star cluster M67…
A: The cluster M67 is never visible in the sky from London so we should abandon any plans to observe…
Q: Why divide the eqn 2 by eqn 1?
A: From Ohm's law,Voltage So, Where, is the resistance is the current.
Q: Giant and supergiant stars are 10 to 1,000 times larger in diameter than the sun and a. are half…
A: Given statement : "Giant and supergiant stars are 10 to 1,000 times larger in diameter than the…
Q: What is orbital magnetic field?
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Q: Ideas of a content for a vlog which shows the star life cycle, thank you!
A: A star can go through either life cycle (a) if it is an average size star or life cycle (b) if it is…
Q: What elements made up most of the nebulaein the very young Universe?
A: We have to find out what elements forms the early nebulae
Q: Question: Record the angular shift. 1.7 arcsec Question: These images were taken six months apart,…
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Q: If a star has an apparent magnitude of 3.5 and an absolute magnitude of 5, how far away is it?
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Q: We are part of the galaxy. * Constellation
A: Earth is a part of milky way galaxy. Ans. Milky way galaxy.
Q: O O O 1. Brightness 2. O 3. 4. 1 2 3 The position of the star and the planet on the left correspond…
A: A light curve illustrates the variation in a star's brightness caused by the passage of an exoplanet…
Q: IM 20 M² 0.2 Calculate accleration?
A: Concept used: Frictional force acts in direction opposite to applied force.
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: Ranking #3: List the constellations (A - E) in the order that they would first appear to rise above…
A: Required to find the correct ranking of the rise of the constellations above the horizon.
Q: What is the greatest distance (in degrees) that a star can be from Polaris and still be circumpolar…
A: Given-The latitude of Honolulu, Hawaii is Objective-To calculate the greatest distance in angles, in…
Q: A turnoff point corresponding to the oldest star cluster would occur at what spectral…
A: Turnoff point in HR diagram is the point where the star leaves the main sequence branch
Q: What causes a star to move off the main sequence?
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Q: The Hertzsprung-Russell diagram graphs stars' O brightness and temperature. O distance and…
A: Answer- brightness and temperature The Hertzsprung - Russell diagram is a graph in which we plot…
Q: Which of the following spectral classes has stars with the hottest temperature? a. F0 b.…
A: Here given the stars with spectral classes.We have to find the stars which is hottest.
Q: QUESTION 1 In the picture below, the distance between two consecutive markers is 10 cm (i.e., the…
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Q: Which one is the nearest galaxccy to earth?
A: The nearest galaxy is at 236,000,000,000,000,000 km (25,000 light years) from the Sun.
Q: accoeding to the solar nebula thoery, why is earths orbir nearly in the plane of the suns equator.
A: According to solar nebula theory, the Sun and all planets in our solar system had formed from a…
Q: Tn Course: SUNO - 2020 FALL - Mair X WA Test 1- SPHY 213N General Phys X…
A: since you have posted a question with multiple subparts, we will solve first three subparts for you.…
Q: A distant galaxy has an apparent magnitude of 13 and is 5,000 kpc away. What is its absolute…
A: Apparent Magnitude The apparent magnitude of a star or a galaxy is the measure of how bright the…
Q: The sky map below shows the location of the planets and stars for August, 1997, as seen from LA.…
A: Answer:1) Celestial Equator-B2) Western Horizon-A3) Galactic Equator-D4) Ecliptic-EAnswer:1)…
Q: Is there any place on Earth where all the visible stars are circumpolar? If so, where? Is there any…
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Q: calculate the magnibude of Tan Leonis and declination using these. proper ascension values in right…
A: We have to solve for this expression
Q: nound a Star a verocity 4x 1ou can conewe to the Stardas eto the Star as Pa seto the Staras Pg away…
A: Newton's Law of Gravitation According to Newton's Law of gravitation, the gravitational force…
Q: In every nebula, a star is beginning to form. a) True b) False
A: True or False: In every nebula, a star is beginning to form.
Q: Star A and Star B are both 5 pc away, but Star A is at your zenith and Star B is at your nadir. How…
A: Given that Star A and Star B are both 5 pc away, but Star A is at your zenith and Star B is at your…
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