Assertion: universe | /r/HasProperty | flat
Facets:
value: spatially
type: DEGREE
value: observationally
type: DEGREE
value: with an overall density
type: OTHER
Source sentences:
text: What Do You Mean, The Universe is Flat?
text: Imagine you’re a two-dimensional creature whose universe is a flat torus.
text: What Do You Mean, the Universe Is Flat?
text: Observationally, the universe appears to be flat (k = 0), with an overall density that is very close to the critical value between recollapse and eternal expansion.
text: Recent measurements suggest that the universe is flat with only a 2 percent margin of error.
text: Critical density is the energy density for which the universe is flat.
text: The universe is flat.
text: In the last decade—you may have read this news countless times—cosmologists have found what they say is rather convincing evidence that the universe (meaning 3-D space) is flat, or at least very close to being flat.
text: When cosmologists say that the universe is flat they are referring to space—the nowverse and its parallel siblings of time past.
text: The universe is flat
text: Observations of the cosmic background radiation by the Wilkinson Microwave Anisotropy Probe and the Planck mission suggest that the universe is spatially flat and has a significant amount of dark energy.
text: If the universe is flat, it will expand forever.
text: Measurements of the cosmic microwave background indicate that the universe is very nearly spatially flat, and therefore according to general relativity the universe must have almost exactly the critical density of mass/energy.
text: If the radius is infinite, then the Universe is flat.