Sentence examples for expanding shell from inspiring English sources

In its earliest phases, the expanding shell is opaque.

The radio emission from the latter objects is consistent with that expected from an expanding shell of ionized gas that fades away as the gas becomes attenuated.

In 1968, a pulsar was detected in the Crab Nebula, the expanding shell of gas and particles released in the supernova of 1054.

The nebula around the star was formed during its 19th-century brightening and is an expanding shell of gas and dust, shaped like an hourglass with a disk at its centre.

A series of VLBI observations have shown the expanding shell structure and allowed the expansion curve to be determined.

Reeves's team measured the spectral signature of a hot, expanding shell of supernova debris in the x-ray afterglow of another GRB, GRB 011211.

Planetary nebula, any of a class of bright nebulae that are expanding shells of luminous gas expelled by dying stars.

Ultraviolet radiation from the dwarf's surface ionizes the expanding shells of gas, creating colorful "sculptures in the sky," says astronomer Mario Livio of the Space Telescope Science Institute in Baltimore.

At these frequencies, astronomers can detect charged molecules called hydroxyl radicals, which reveal, for instance, faint traces of comets and expanding shells around red giant stars.

"With ALMA's superb resolution and sensitivity, we can clearly see for the first time massive concentrations of cold gas being jettisoned by expanding shells of intense pressure created by young stars," study co-author Alberto Bolatto, astronomy professor at the University of Maryland, said in a written statement.

Experience has shown, however, that although there is a strong immune response to the intact virus with its unexpanded shell, the expanded shell passes almost unnoticed.