Star Measurements
Not what you're looking for?
A.) Briefly describe three ways that distances to stars can be measured.
b.) Name an object, not man made , that emits light in pulsars similar to those from a pulsar. Any wavelegnth is okay. Could we detect these pulses if they came from Jupiter? From a nearby star?
c.) Name a type of expansion (or expanding object) that does not obey Hubble's law.
Purchase this Solution
Solution Preview
a.)
<br>i. The first method is parallax method. Observe the star from two opposite sides of ecliptic orbit, i.e.at a gap of six months and that will give you the measure of parallax.
<br>
<br>ii. The magnitude of star is best way to estimate it's distance. ...
Education
- BEng, Allahabad University, India
- MSc , Pune University, India
- PhD (IP), Pune University, India
Recent Feedback
- " In question 2, you incorrectly add in the $3.00 dividend that was just paid to determine the value of the stock price using the dividend discount model. In question 4 response, it should have also been recognized that dividend discount models are not useful if any of the parameters used in the model are inaccurate. "
- "feedback: fail to recognize the operating cash flow will not begin until the end of year 3."
- "Answer was correct"
- "Great thanks"
- "Perfect solution..thank you"
Purchase this Solution
Free BrainMass Quizzes
Variables in Science Experiments
How well do you understand variables? Test your knowledge of independent (manipulated), dependent (responding), and controlled variables with this 10 question quiz.
Basic Physics
This quiz will test your knowledge about basic Physics.
Introduction to Nanotechnology/Nanomaterials
This quiz is for any area of science. Test yourself to see what knowledge of nanotechnology you have. This content will also make you familiar with basic concepts of nanotechnology.
The Moon
Test your knowledge of moon phases and movement.
Intro to the Physics Waves
Some short-answer questions involving the basic vocabulary of string, sound, and water waves.