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

Q: Why would it be easier to take parallax measurements if we were on a planet farther from the sun…

A: Parallax is the apparent shift in the position of a star when viewed from two…

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: What is the distance in parsecs to Vega, which has an annual parallax of 0.129 arcsec.

A: Annual parallax (p), p=0.129 arcsec

Q: A star is observed to cross the meridian at an elevation of 67°, as seen from an observatory at a…

A:

Q: Assuming Proximus B orbits Alpha Centauri C at distance equal to the distance the earth orbits the…

A: The orbital period is defined as the time taken for a planet or satellite to revolve around it's…

Q: Find the distance in parsecs to Vega, which has an annual parallax of 0.129 arcsec.

A: Given: Annual parallax (p) = 0.129 arcsec.

Q: Consider two identical stars, A and B. Star B is 10 times farther away than star A. What is the…

A: Two identical stars A and B are given which are at different distances.

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: Calculate the number of miles in a light-year, using 1.86 105 mi/s as the speed of light. (Hint: The…

A: The light-year is the unit of length, and it is used to represent the astronomical distance.

Q: How far away is the star Spica, whose parallax is 0.013"?

A: Given Data: The parallax of the star Spica is, p=0.013’’   The expression for the distance in terms…

Q: Why can’t astronomers use parallax to measure the distance to stars that are extremely far away?

A: Because it is difficult to measure from earth reason is effects of earth atmospheric. Parallel angle…

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 velocities of the two stars are 28km/s and 13km/s, and their periods are both 16 years. Find the…

A: Formula Let period of a star is T, velocity is v, orbital radius is r and , mass is M, Now the…

Q: Find the distance in parsecs to Vega, which has an annual parallax of 0.129 arcsec. pc

A: It is given that,

Q: When you say "sub-word parallax," what do you mean?

A: Answer:-  Parallax is the apparent displacement of an observed object due to a change in the…

Q: If A = 31 -2j and B = 2j, what is the magnitude of A+0.5B?

A:

Q: If a star has a parallax of 0.025 arc second and an apparent magnitude of 5.0, how far away is it,…

A:

Q: Why would you not want to use Astronomical Units (AU's) for the distance between stars?

A: There are many units of distance and one of them is the Astronomical Unit (AU). We will explain the…

Q: For an observer found at a latitude of 35 degrees North, what is the minimum declination for a star…

A: Determine the MCP value of the star. So, the declination angle will be from 55 degrees to 90…

Q: The star Spica is observed to have a parallax of 0.012000. How far away is it in parsecs answers to…

A: Parallax is the change in the apparent position of the object that results from a change in…

Q: To approximate the distance from the Earth to stars relatively close by, astronomers often use the…

A: Given : Distance between the Earth and the Sun, SE = 92,900,000 mi Parallax angle, p = 0.033 arcsec…

Q: How many parsecs are there in 212 light-years?

A: We know that 1 light year = 0.3066 parsecs

Q: A star a distance of 1 parsec away has a parallax angle of 1 definition. by arcsecond arcminute…

A: A parsec is defined as the distance to a star which has a parallax angle of 1 arcsecond.

Q: If a star is 30 parsecs away what is it's observed parallax shift ?

A: Given thatThe distance to the star (d)=30 parsecsParallax Formulad=1pp=the parallax angle of the…

Q: What is the dependence of the intensities of stars on parallax? Hint: consider the inverse-square…

A:

Q: is

A: The relationship between apparent visual magnitude(m), Absolute visual magnitude(Mv) and distance(d)…

Q: Star A has an apparent magnitude of 3.0, and Star B has an apparent magnitude of 6.0. Which star…

A: Given that the magnitude of apparent value of A is 3 and the magnitude of apparent value of B is 6.…

Q: If a star has an apparent magnitude equal to its absolute magnitude, how far away is it in parsecs?

A: Given that :Apparent magnitudemp=Mv

Q: How many times dimmer is a star with magnitude +3 compared with the planet Mars with a magnitude of…

A: The magnitude of star is +3, and that of Mars is -1.

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: between january and july , Star appears to move 5 degrees while star b appers to move 7 degress…

A: From January to July, in the span of 6 months, the 2 stars - A & B, are observed. Star A…

Q: How many kilometers are there in 5 parsecs?

A:

Q: You are standing at the South Pole and you observe the night sky you see the star alpha crux which…

A: question is not given clearly

Q: A nearby star, Proxima Centauri , has a parallax of 0.772  arcseconds. How long does it take the…

A:

Q: Over the course of 6 months, a star's parallax angle is measured to be 0.083 arcseconds. What is the…

A: Given that, Parallax angle = 0.083 arcseconds

Q: If you could spot a geosynchronous satellite in the sky, how could you distinguish it from a star?

A: The orbital velocity of a geosynchronous satellite is equal to the angular velocity of earth on its…

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: constellation

A: The answer is as follows,

Q: If a star’s parallax is 35 arcseconds,  what is the distance to the star?

A:

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: The bright star Sirius has a parallax angle of 0.38 arcsec. Find the distance in parsecs and in…

A:

Q: What is a variable magnitude?

A: A vector can have a varying magnitude and direction with respect to time and position. It is such…

Q: Light year is the unit of ___________

A: solution as

Q: what is the apparent magnitude of the sun as eeen from Saturn about 10AU away?

A: The Sun’s brightness observed from the Earth can be given as, Here, LS, and DE represent the Sun’s…