physics

What difference does an astronomer see between the emission spectrum of an element in a receding star and a spectrum of the same element in the lab?

  1. 👍 0
  2. 👎 0
  3. 👁 375
  1. The lab spectrum is the same as the telescope spectrum except that the frequencies of the lines are shifted lower.

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. Chemistry AP

    what does this mean (we are on quantum) The figure below represents part of the emission spectrum for a one-electron ion in the gas phase. All the lines result from electronic transmissions from excited states to the n = 3 state.

  2. chemistry ------ flame test-------------

    Did the nitrate ion effect the color emission of the solution ? how did you decide ? my answer: No , because The nitrate ion is the oxidizing agent in the compound without it you could not burn the chemicals and you could not

  3. Chemistry

    calculate the wavelength of the second line in the Brackett series (nf=4) of the hydrogen emission spectrum. Rh= 2.180e-18 any help please? i know its energy levels 4 to 6... but that is all.

  4. Chemistry

    An astrophysicist working at an observatory is interested in finding clouds of hydrogen in the galaxy. Usually hydrogen is detected by looking for the Balmer series of spectral lines in the visible spectrum. Unfortunately, the

  1. Science

    Review the information. In Compound A, Element W has an electronegativity of 2.8, and Element X has an electronegativity of 2.5. In Compound B, Element Y has an electronegativity of 2.0, and Element Z has an electronegativity of

  2. Chemistry

    The meter has been defined as 1,650,763.73 wavelengths of the orange-red line of the emission spectrum of ^86Kr. Calculate the frequency of this radiation. In what proportion of the electromagnetic spectrum does the radiation

  3. analytical chemistry

    Any help is greatly appreciated 5mL of a solution A (unknown concentration) was transferred into sic 25mL volumetric flask. The following volumes of a standard solution of A with with a concentration 75ppm were added to the flask:

  4. Literature

    2. At one point in Whitman's poem, "When I Heard the Learn'd Astronomer", the speaker a. falls asleep and dreams of start b. argues with the astronomer c. wanders off by himself d. writes the astronomer a fan letter B? Thanks -MC

  1. astronomy

    At an average opposition, the Earth and Mars are separated by 0.52 AU. Suppose an astronomer observes Mars at opposition and that seeing blurs the images to a resolution of 1.0 seconds of arc. What is the smallest surface feature

  2. Chemistry Help! (Rydberg Equation)

    a) According to the Rydberg equation, the line with the shortest wavelength in the emission spectrum of atomic hydrogen is predicted to lie at a wavelength (in nm) of _____ b) According to the Rydberg equation, the longest

  3. Physics

    What type of spectrum is produced by a hydrogen gas when a high potential difference is applied to it? a visible spectrum emission spectrum absorption spectrum a continuous spectrum I've been all through my notes and cant figure

  4. chem

    determine the wavelength of the line in the emission spectrum produced by an electron transition He+ from ni= 4 to nf= 2.

You can view more similar questions or ask a new question.