What is the round-trip travel time of light from Earth to Pluto (at a distance of 40 AU)?
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A: Given The distance between the earth and the sun is d=1.31714×108 km. The speed of light is…
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Q: Some thing that is 50 km away has an angular size of five arc seconds how tall is the object write…
A: Angular size, θ = 5 second of arc Distance, r = 50 km = 50×103 m Consider height is h. First…
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A: Given that:v→=μehsinθr^+μh(1+ecosθ)θ^
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A: The orbital period is defined as the time taken for a planet or satellite to revolve around it's…
Q: The New Horizons probe is currently traveling at 14.1 km/s. How long would it take to reach Proxima…
A: speed of probe (v) = 14.1 kms= 14100 msdistance (d) = 4 light years
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A: given Distance=1.542×109km
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Q: What is the acceleration due to gravity a) on the surface of the Moon? (b) On the surface of
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Q: What was Heliocentrism? Why did it matter?
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A: The figure below depicts the given situation.
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A: Solar cycle- It is a period of 11 years.
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Q: If Sally could drive a Jetson's flying car at a constant speed of 390.0 km/hr across oceans and…
A: Given data: Distance (d) = 390.0 km/hr Distance (d) = 8.4 AU Required: Time (t)
Q: As measured on Earth the star Fomalhaut is 25.1 light years away. As measured by the crew of a…
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Q: What is the distance in meters to our Sun that is 500 light-seconds away?
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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…
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A: Brother's age 2 years for 1 year of my age⇒ t∘=t , t'=2t
Q: Light from the sun takes 8 minutes to reach earth. How long does it take to reach Neptune?
A: time taken by light to reach from sun to earth (t) = 8 mintues distance between sun and earth (d) =…
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Q: The star Sirius has an apparent magnitude of -1.46 and appears 95-times brighter compared to the…
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Q: Which of the below rotation curves best represents the orbital speeds stars in the Milky Way Galaxy…
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Q: As measured on Earth the star Fomalhaut is 25.1 light years away. As measured by the crew of a…
A: The difference in time measured by two clocks due to their relative motion or position is called…
Q: A star is 80 light years from Earth. How fast does a spacecraft have to be for the journey to last…
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Q: You are moving with the 70% of lights speed and it will take you 12.4 years to reach sirius. Your…
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Q: 2. A planet orbits a star at 2.534 AU once every 41.39 years. What is the planet's velocity? (1 AU…
A: The first step is to convert the orbital radius from Astronomical Units (AU) to meters (m). We know…
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A: For distances which are too large to measure using parallax, astronomers use 'standard candles'.…
Q: calculate the angular size of a Jupiter-sized planet that is located in a star system 5 light years…
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Q: why is it reasonable to suspect that travel between stars is nearly impossible?
A: Somethings are impossible because they violate fundamental laws of nature. Today, we belive that…
Q: Light takes about 8.3 minutes to travel from the Sun to Earth. When it is closest, Neptune is 30.0…
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Q: In 3–5 sentences, explain how the shape of planetary orbits affects their orbital velocity. Include…
A: In space every object moves in a fixed path that is known as orbit .The Shape of orbit is not…
Q: Using a 8-m reflector telescope on Mars, what is the maximum distance we could measure using stellar…
A: we need to tell us what is the maximum distance we could measure using stellar parallax.
Q: The Hubble Space Telescope is in low-Earth orbit. What is the magnitude of stellar aberration…
A: 1) See, By taking the spectrum of a distant object, such as a galaxy, astronomers can see a shift in…
Q: Calculate the length of one light-year (ca), in metres.
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Q: What is the wavelength of maximum intensity (in nm) and the total energy emitted (in J/s/m2) by a…
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Q: What is an orbital acceleration on an object? Explain it by giving an example.
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