At apparent magnitude -3, Jupiter is 100X brighter than second magnitude Polaris.
True
False
Read.
http://en.wikipedia.org/wiki/Apparent_magnitude
hint:
- signs mean brighter but the rule of times 2 still holds
If leaving a rference like I did helps you, pleas leave a thankyou and i'll help with more references. We do not just up and answer lists of questions. How would that help you learn anything?