Light year is the unit of ___________

Q: When using the parallax method, if an object appears to shift more, that means its distance is…

A: Parallax method is used to find the distance of an object. It is the shift in the apparent position…

Q: Explain the term light years?

A: A light year is a unit used to measure very long distances like the distance between galaxies or…

Q: How many miles in a light year?

A: Light year is the distance travelled by light in one year.  We know speed of light is equal to 3x108…

Q: 1. Classify the following as to whether they are personal, instrumental, or external errors. a.…

A: Error is defined as the difference b/w the actual value & the measured value of reading.…

Q: Convert to SI and write in scientific notation: 1) 1.282 light-seconds to m 2)1 acre to m2

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Q: What is a light year?

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Q: How many meters are in a light year?

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Q: What is Astronomy

A: Astronomy is the study of celestial bodies and phenomena that occur outside the earth atmosphere. It…

Q: Which of the following pair is INCORRECT? I. Parsec - Distance II. Barrel - Liquid III. Light year -…

A: We know that 1 Parsec  is equal to 3.26 light years and is used to measure distance. Thus  Parsec -…

Q: In astronomy, distances are often expressed in light-years. One light-year is the distance traveled…

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Q: The illuminance provided by a point source of light is directly proportional to its luminous flux. )…

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Q: Which of the following are not a unit of time? (a) Second (b) Parsec (c) Year (d) Light year

A: Which among the given options are not unit of time.

Q: A light year is a measurement of

A: A light year is the measurement of distance. Light-year unit is used in astronomy to measure the…

Q: When using the parallax method, if an object appears to shift less, that means its distance is…

A: By using the parallax method, if an object appears to shift less means its distance is greater.

Q: Explain Parallax

A: There is an apparent shift in position of the object due to the change in point of observation .This…

Q: The planet Jupiter is more than 5 times as far from the Sun as planet Earth. How does the brightness…

A: Given: Distance between Sun and Jupiter = 5 x distance between earth and Sun

Q: Approximately how many times could light travel around the Earth in one second? 5 times 7 times 70…

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Q: A statue 10 feet high is standing on a base 13 feet high. If an observer's eye is 5 feet above the…

A: To determine: The distance of the observer standing in front of the statue

Q: The brightest star in the northern hemisphere is Sirius. Its distance from earth is estimated to be…

A: Given The speed of light is c = 3.00 x 108 m/s. The distance of Sirius from the earth is d = 8.7…

Q: 3. Circle the proper choices to make a proper statement about the speed of light and how the beam…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 12. Convert 4.6 light years to the distance in kilometers (speed of light = 300,000 km/sec) 1 lb =…

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Q: What are the standard units for apparent brightness?     watts     watts per second     joules…

A: Apparent brightness is defined as the amount of energy radiated by the star and absorbed by the…

Q: If the parallax angle of a body is 0.218 4 points arcseconds, then the distance of the body from the…

A: parallax method is useful to measure larger distance. For example distance between earth and sun,…

Q: Which of the following diagrams represents a converging beam of light?

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Q: How fast is a light year?

A: Light year is a unit of distance and not of speed or time, and it is equal to the distance traveled…

Q: What is the distance light travels in one year?

A: Given:  time = 1 year  speed, c = 3 x 108 m/s

Q: Calculate the length of one light-year (ca), in metres.

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Q: Choose correct statement from below options. a. Temperature' and 'speed' are fundamental quantities.…

A: Given:- Defferent statements regarding fundamental and derived quantities.

Q: Light year is a unit of   A) time B) speed of light C) distance D) mass

A: the distance traveled by the light in one year is called one light year.

Q: A star was observed in an area located at 60 degrees north latitude. It was noted that its tilt is…

A: Given:  Location of star = 60 degrees north Tilt = 42.3327 degrees north Angular height = 22.3327…

Q: A ray of light traveling in air strikes a boundary at an angle of 79.7 degrees to the normal. After…

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Q: Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth…

A: Introduction: The distance between the star, Alpha Centauri and the earth is 4.367 light year.

Q: How much stronger does a magnitude 8.2 to a 5.0 magnitude?

A: Given that                           Magnitude(M1 ) = 8.2                           Magnitude(M2) =…

Q: Find the distance in parsecs to Proxima Centauri, which has an annual parallax of 0.772 arcsec.

A: We need to find distance in parsecs

Q: What is a light year used to measure?

A: It is the unit of distance that comes in handy for measuring astronomical distances. Since the…

Q: Explain why the light‑year has the dimension of length

A: The speed of light in vacuum is,

Q: Six months from now, the stars be in the exac as they will be at midm A. midnight B. noon

A: Required :: Location of the stars after 6 months.

Q: What is the speed of dark?

A: The light has a speed of 3×108 m/s and it takes about 8 minutes to reach the earth. The small…

Q: Speed = distance / time.  The letter "c" is used to represent the speed of light. c = d / t…

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Q: Which of the following is a Non-Luminous body? A) Glowing bulb B) Moon C) Burning candle D) Firefly

A: There are two types of the bodies in concern of the light.  Luminous bodies and non luminous bodies.…

Q: Calculate the number of miles in a light year using (see picture for the equation) mi/s as the…

A: The speed of the light is v = 1.86x105 mi/s.

Q: Please i need help with question 33, image attached. Thank you.

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Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.