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PSR J1719-1438 is a 5.7 millisecond pulsar found to have a companion with a mass similar to Jupiter but a density of 23 g/cm 3, suggesting that the companion is an ultralow mass carbon white dwarf, likely the core of an ancient star.
— "Values ranging from 21.3 to 21.5 gm/cm 3 at 20 °C have been reported for the density of annealed platinum; the best value being about 21.45 gm/cm 3 at 20 °C." 21.46 g/cm 3 — Rose, T. Kirke. The Precious Metals, Comprising Gold, Silver and Platinum .
This is an extended version of the energy density table from the main ... Nickel–metal hydride (NiMH), low ... 1.55: Liquid Nitrogen: 0.349: Water – Enthalpy of ...
Cross-section of neutron star. In astrophysics and nuclear physics, nuclear pasta is a theoretical type of degenerate matter that is postulated to exist within the crusts of neutron stars.
−0.94 g/cm 3, [3] roughly the same as the metal iron (7.874 g/cm 3). [ 10 ] Based on these findings, the interior of the planet is likely similar to that of Earth and Venus , with an iron core making up around 26% of its total mass (albeit with a large uncertainty of ±20%), [ 11 ] compared to the 32.5 ± 0.1% of Earth and 31 ± 1% of Venus.
With increasing pressure we observe changes in the sample, going from transparent, to black, to a reflective metal, the latter studied at a pressure of 495 GPa... the reflectance using a Drude free electron model to determine the plasma frequency of 30.1 eV at T = 5.5 K, with a corresponding electron carrier density of 6.7 × 10 23 particles/cm ...
Liquid density calculator Select a liquid from the list and calculate density as a function of temperature. Gas density calculator Calculate density of a gas for as a function of temperature and pressure. Densities of various materials. Determination of Density of Solid, instructions for performing classroom experiment.
A Assuming an altitude of 194 metres above mean sea level (the worldwide median altitude of human habitation), an indoor temperature of 23 °C, a dewpoint of 9 °C (40.85% relative humidity), and 760 mmHg sea level–corrected barometric pressure (molar water vapor content = 1.16%).