Ast1002 - Study guides, Class notes & Summaries

A scientific theory can be proved wrong if: cultural beliefs evolve to contradict it. scientists gather new data that disprove its predictions. it cannot explain all phenomena. it is based only on conjecture.scientists gather new data that disprove its predictions. A hypothesis may become a theory: after many repeated attempts to falsify it fail. if a majority of scientists agree on its propositions. after it has been logically proved. if it makes at least one verifiable predictio...

1) Approximately, what basic composition are all stars born with?B) three -quarters hydrogen, one -quarter helium, no more than 2 percent heavier elements 2) Since all stars begin their lives with the same basic composition, what characteristic most determines how they will differ?D) mass they are formed with 3) What are the standard units for luminosity?A) watts 4) A star's luminosity is theE) total amount of light that the star radiates each second. 5) What are the standard units for ...

A long thin cloud that stretched from directly overhead to the western horizon would have an angular size of 90 degrees When a thin crescent of the Moon is visible just before sunrise, the Moon is in its waning phase f the Moon's orbit around Earth were a little larger, solar eclipses would be more likely to be annular According to "The Zodiac" Figure shown above, in June we would see the Sun in the direction of the constellation(s)... Gemini In the Figure below (Figure 0.20A - Pa...

Astronomy (AST1002) Chapter 13-15, 23-24 Class Notes at Santa Fe College

Astronomy (AST1002) Chapter 8-12 Class Notes at Santa Fe College

Astronomy (AST1002) Chapter 5-7 Class Notes at Santa Fe College

Astronomy (AST1002) Chapter 1-4 Class Notes at Santa Fe College

Introduction to Astronomy (AST1002) Finals Anotated Webography on the Pseudoscience of Astrology,

What is the approximate rotation period of the sun? - ANSWER 25 days (equator) 36 days (poles) What is the approximate mean density of the Sun? - ANSWER 1410 kg/m3 What is the approximate surface temperature of the Sun? - ANSWER 5780 K How do we determine the luminosity of the Sun? - ANSWER L=Flux* 4 π R² What is the temperature of the core of the Sun? - ANSWER 15 million K What mechanism produces the energy in the core of the Sun? - ANSWER In the core, energy is produced by h...