You travel to another star system and meet some aliens. They say there are 146 constellations in the sky and not 88? Why would they possibly say that?
Q: astronomical unit? In what context ( For example galaxies, solar systems and planets, places on…
A: Astronomical Unit= It is a unit of length which is equal to the average distance between the sun and…
Q: When asked about his thoughts on a new scientific hypothesis, Wolfgang Pauli once said: "That's not…
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Q: give at least three observations from the plot.
A: The observations from the above chart are as follows: (1) The curve lines in blue color represent…
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: If there are 3x10^7 seconds in one year, a distance of one light year is equal to: O 9 x 10^15 m O 9…
A: Given data: Time (t) = 3 × 107 seconds Required: Distance of one light year
Q: Which unit of measurement is larger?
A: 1 rad = 57.3 degree. So for 1 rad we required 57.3 degree. So 1 degree = (1/57.3) < 1 rad
Q: A light-year is defined as the distance traveled by light in a vacuum during one tropical year. How…
A: Given data: A light-year is defined as the distance traveled by light in a vacuum during one…
Q: 4. Calculate the altitude ZGEO and speed VGEO of a geostationary earth satellite.
A: Given: The geostationary gravitational constant is μ=3.986×105 Km3s2. The radius of the earth is…
Q: Oxygen Atoms in People. Figure 5.7 shows that oxygen makes up about 65% of the mass of a human…
A: The objective of this question is to estimate the number of oxygen atoms in a human body and compare…
Q: If you start at the equator and travel to 10 degrees north approx. how many kilometers (or miles)…
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Q: said 2/3 around the track not halfway around the track?
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Q: Suppose we find an Earth-like planet around one of our nearest stellar neighbors, Alpha Centauri…
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Q: The moon is 1.3 light-seconds away. Imagine you are standing at the Canadian Space Agency…
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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: Suppose the Sun were somehow replaced by a star with five times as much mass. How long would the…
A: Earth year is the amount of time that the earth takes to complete 1 revolution in its orbit about…
Q: Convert 3,000 grades/century to Mega Hertz (MHz)
A: to convert : 3000 gradescentury to Mega Hertz
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: Which of these correctly compares the masses of different objects in the universe O A moon has less…
A: Correctly compared statement is: Moon has less mass then a star and more mass then the planet it…
Q: 1 million kilometers can be expressed in scientific notation as: 10x10^6 km 10x10^-6 km none of…
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Q: 3. Use the chart given to answer the following Height above earth ) tquatorial Radius (m) orbital…
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Q: You have a dream you are driving across the country. In your dream, you leave Kala- mazoo at 9 a.m.…
A: Time at the starting of the trip = 9 am Time at the end of the trip that is when you arrive at Fargo…
Q: The mass of the Earth is about 6 x 1021 metric tons, and the mass of the Sun is about 2 x 1027…
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Q: Why are the classification systems changing every now and then?
A: In universe all creatures are found, identified. Again, till now many spices are discovering around…
Q: Astronomers use a special unit to measure distances called astronomical unit (AU) where 1 AU is…
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Q: What causes the location of the constellations to change throughout the NIGHT? Group of answer…
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Q: Use the equation E = mc^2 where E is energy in Joules (J), m is mass in kilograms (kg) and c is the…
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Q: Billy has trouble with math, and his answer is "10" to the following question, "How 120 dozen?" a.…
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…
Q: Earth is about 150 million kilometers from the Sun (1 Astronomical Unit, or AU), and the apparent…
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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: 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 closest star to Earth, after the Sun, is Proxima Centauri, which is just over 4 light years away…
A: We know that, the speed of light is 3 × 108 m/sec or 3 × 105 km/sec Given that, Proxima…
Q: The distance light travels in one second(one light-second) is about 1.86×10⁵ mi. Saturn is about 475…
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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: What are the names of the following three well-known constellations?
A: (5) is Cassiopeia Cassiopeia, in Greek mythology, was a vain queen who often boasted about her…
Q: T^2 = [(4pi^2) / GM ] r ^3 Where T= 365 days R= 149,536,147 km Solve for M Can you show how to solve…
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Q: The fictional asteroid Lilliput orbits around the Sun one time every 3.605 Earth years. What is the…
A: Write the equation of Kepler’s third law. Here, T represents the time period, G represents the…
Q: As we discuss in class, the radius of the Earth is approximately 6370 km. The radius of the Sun, on…
A: The radius of the earth Re = 6370 kmThe diameter of the earth de= 2Re = 12740 kmThe radius of 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: 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: 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: It is important to have an idea about the distances between and relative sizes of celestial objects…
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Q: The center of our galaxy lies in the direction of the constellation of a. Ursa Minor. b. Ursa…
A: Milky Way: M.W galaxy holds our solar system. Our galaxy falls into a category of barred spiral.…
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