Beyond the scale of superclusters, galaxies are randomly distributed throughout the universe.
Indicate whether the statement is true or false
Question 2
Suppose we discover a new comet on an orbit that brings it closer to the Sun than Mercury every 125 years. What can we conclude?
A) It has a coma and tail during most of each orbit.
B) It came from the Kuiper belt.
C) It has been on its current orbit for only a very short time compared to the age of our solar system.
D) It came from the Oort cloud.
Schematic of the Earth–Moon system (without a consistent scale)
Earth’s history is divided into nested sets of time--eons, eras, periods, and epochs--and is called
Saffir-Simpson Scale (Hurricane Intensity Scale)
GDP per Capita in the United States, 1870–2009 (Ratio Scale)
The Geologic Time Scale
The Scale of the Very Small and Very Large: Powers of 10