Sentence examples for radii from inspiring English sources

Eclipsing binaries are the principal sources of information on the masses and radii of stars.

The same Pluto-Charon eclipses have allowed astronomers to estimate the masses and radii of the two bodies.

Many of the early transition metals have radii that are large enough to form interstitial monocarbides, MC.

White coronal streamers extend from the Sun to a distance of several solar radii.

He based this work upon the theorem that the areas of two circles have the same ratio as the squares of their radii.

This ratio is equal to twice the radius of the large drum divided by the difference in the radii of the smaller drums D and d.

These shell-source models explain the observed luminosities, masses, and radii of giants and supergiants (see below Later stages of evolution).

Observations with an interferometer (an instrument that measures the angle subtended by the diameter of a star at the observer's position), combined with parallax measurements (which yield a star's distance; see below Determining stellar distances), give sizes of 12 and 22 solar radii for Arcturus and Aldebaran A. Betelgeuse and Antares A are examples of supergiant stars.

The typical radii of raindrops resulting from this type of precipitation process range up to several millimetres and have fall velocities of around 3 to 4 metres (10 to 13 feet) per second.

In the neutral-line model a localized x-type neutral line is formed inside the plasma sheet somewhere between 20 and 40 Re (Earth radii) behind the Earth.

It extends from 1.52 to 1.95 Saturn radii and has optical depths between 0.4 and 2.5, the precise values dependent on both distance from Saturn and wavelength of light.