Blue stars are always more luminous than red stars. Indicate ...

[sabina]

Blue stars are always more luminous than red stars.
 
  Indicate whether the statement is true or false

Question 2

The practice of science: In what ways does the modern practice of science establish positive feedback (see table 3.2 ) to encourage further discoveries?
 
  Can you identify elements of the historical accounts of Copernicus, Tycho, Kepler, and Galileo that provide an example of positive feedback?

[mceravolo]

Answer to Question 1

FALSE

Answer to Question 2

May vary. Example responses include: publication of results boosts interest in exploration; publication of processes allows others to easily build upon discoveries; Copernicus' theory would suggests new observations to carry out (e.g. look for Venus' phases)