The International Date Line is a theoretical line following approximately the ______________ meridian
Fill in the blank(s) with correct word
180°
Physics & Space Science
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The most important source for determining the age of the Solar System is by sampling a planet's core
a. True b. False Indicate whether the statement is true or false
Physics & Space Science
Outgassing refers to the formation of an atmosphere by the attraction of gases from the surrounding nebula
a. True b. False Indicate whether the statement is true or false
Physics & Space Science
The Schwartzschild radius for a 12 solar mass star is:
A) 4 km. B) 15 km. C) 36 km. D) 100 km. E) 3000 km.
Physics & Space Science
What observational evidence supports the idea that Mercury once shrank by some 20 kilometers in radius?
A) the presence of many impact craters B) the characteristics of the Caloris Basin C) Mercury's unusually high density D) the presence of many long, tall cliffs
Physics & Space Science