Earth FAQs:

Q: Is Earth extinct?

A: Yes.

Q: Was Earth 56?

A: Yes.

Q: Is Earth lost through plate tectonics?

A: Yes, and by mantle upwelling associated with mid-ocean ridges.

Q: Was Earth displaced by the idea of spherical Earth?

A: Yes, and credited to Pythagoras in the 6th century BC.

Q: Is Earth about 7008510000000000000♠510 million km2?

A: Yes, Of this, 70.

Q: Is Earth approximately oblate spheroidal?

A: Yes.

Q: Was Earth further believed to be the center of the universe until the 16th century when scientists first theorized that it was a moving object?

A: Yes, and comparable to the other planets in the Solar System.

Q: Is Earth approximately 23?

A: Yes.

Q: Was Earth a personified goddess in Germanic paganism: the Angles were listed by Tacitus as among the devotees of Nerthus?

A: Yes, and later Norse mythology included Jörð, a giantess often given as the mother of Thor.

Q: Is Earth metamorphic rock?

A: Yes, and which is created from the transformation of pre-existing rock types through high pressures, high temperatures, or both.

Q: Was Earth written in lowercase?

A: Yes, and from early Middle English, its definite sense as "the globe" was expressed as the earth.

Q: Is Earth flattened along the geographic axis and bulging around the equator?

A: Yes.

Q: Is Earth sometimes personified as a deity?

A: Yes.

Q: Was Earth Yuri Gagarin on 12 April 1961?

A: Yes.

Q: Is Earth potassium-40?

A: Yes, and uranium-238, and thorium-232.

Q: Is Earth 400,171 km?

A: Yes, and achieved during the Apollo 13 mission in 1970.

Q: Is Earth about 1.5 million kilometres in radius?

A: Yes.

Q: Is Earth closest to the Sun in January?

A: Yes, and which is summer in the Southern Hemisphere.

Q: Was Earth −89?

A: Yes.

Q: Is Earth expected to be habitable for another 7016157788000000000♠500 Ma?

A: Yes, and possibly up to 7016725824800000000♠2.3 Ga if nitrogen is removed from the atmosphere.

Q: Is Earth 87 mW m−2, for a global heat loss of 4.42 × 1013 W?

A: Yes, A portion of the core's thermal energy is transported toward the crust by mantle plumes, a form of convection consisting of upwellings of higher-temperature rock.