The Moon's density, deduced from the gravity, places constraints on what it could be made of.
See 10 inspirational gravity experiments taken from the gravity chapter of Keith Gibbs' book: The New Resourceful Physics Teacher.
Their father does his best to protect the girls from the gravity of the situation, but it still affects them subconsciously.
In a triumphant moment, Ms. Upshaw, clutching Weil's journal, sings, "Your passion defeated oblivion," and, "Your grace is liberated from the gravity of the world".
These pieces of mail, water-stained, tattered, even bloodied, marked by experience, took their value from the gravity of their condition.
To reject "The Future" is to recoil from the gravity of these questions, and from the sincerity with which Ms. July addresses them.
The description is true to reality and also a bit humorous, though it doesn't take away from the gravity of the issue itself.
Aside from the gravity of the subject they study, there is little to differentiate their workplace from millions of others over the world with computers and coffee cups, unspoken resentments and anxieties about promotion.
"But sometimes, with a cause, even a very just and necessary and visceral cause, it gets mixed in with what I call self-promotion, fashion, and a kind of straying from the gravity of the message".
The data, from the Gravity Recovery and Climate Experiment, a pair of satellites, show the seasonal changes in water distribution around the globe, particularly in the Amazon basin, the largest watershed on the planet.
Why and even how Greek society veered from the gravity of the Classical age to the alacrity frequently seen in Hellenistic sculpture of the third and second century B.C. remains an enigma.
