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Star Measurements

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.

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<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>ii. The magnitude of star is best way to estimate it's distance. ...