First, compare the gravitational forces on two nearby observers lying on the same radial line:

(Some observers compared it to "fork" in the United States government budgeting.)

American observers have compared Sistani to the pope, calling him a man with virtually limitless spiritual authority but little grass-roots organization.

A few observers compared the achievement with the emergence of vertebrates from primordial waters, establishing life on land.

Other observers compared the complex to the Cretan labyrinth where the Minotaur was imprisoned.

Some observers have compared the sport to short track speed skating due to the amount of contact involved.

Some observers have compared the dilemma to that faced by the music industry.

Some observers compare the story's impact to the way television news reports from the Vietnam War shook Americans in the 1960's.

Many observers have compared this album to Alice in Chains and Tool.

They have been subject to mostly positive reviews; observers favorably compared the characters to those in the previous games and praised the voice acting.