Tuesday

March 31, 2015

March 31, 2015

Posted by **pradee** on Saturday, November 27, 2010 at 3:42am.

- physics -
**drwls**, Saturday, November 27, 2010 at 6:00amI do not know what you mean by a "pl" spectrum

A red shift occurs when the observer and the object are moving apart. Wavelengths of spectroscopic features, such as atomic lines, are shifted to longer values when this happens.

A blue shift occurs if an observed object and the observer are moving towards each other.

**Answer this Question**

**Related Questions**

Physics Help - If we witness events taking place on the moon, where gravitation ...

Physics Help please - If we witness events taking place on the moon, where ...

Pre-Calc/Trig... - Help me please. Which of the following accurately depicts the...

Math, trignometry,Algebra - The curve y=sin(x)+pi/2 will experience which ...

stats - A clothing company employs 36 workers on first shift and 19 workers on ...

statitstics - A warehouse employs 22 workers on first shift and 14 workers on ...

Trigonometry - What are the phase shift and the vertical shift for the function ...

Chemistry - This is about spectrometry. How would the presence of salicylic acid...

maths - I have y=5sin(4x-pie/2). I need too find phase shift. I know c/b is ...

economics - Which of the following is a FALSE statement? A. Changes in the price...