Sentences with phrase «shell around the star»

This gas cloud resides as a shell around the star.

Three of these planets are confirmed to be super-Earths — planets more massive than Earth, but less massive than planets like Uranus or Neptune — that are within their star's habitable zone, a thin shell around a star in which water may be present in liquid form if conditions are right.

VLBA image of the star TX Cam, showing regions («spots») of maser emission from Silicon Monoxide (SiO) molecules forming a shell around the star.

Not exact matches

Chemical calculations show that helium hydride should be visible in clouds around distant galaxies and supernovas, or even in modern planetary nebulas (shells of gas expelled by aged, sunlike stars).

In a new study recently published in the journal Global Biogeochemical Cycles, scientists of Kiel University (CAU) with colleagues from GEOMAR Helmholtz Centre for Ocean Research Kiel and international partners from the USA, New Zealand, and Great Britain studied marine benthic shell - forming organisms around the world in relation to the chemical conditions they currently experience — with a surprising result: 24 percent, almost a quarter of the analyzed species, including sea urchins, sea stars, coralline algae or snails, already live in seawater unfavorable to the maintenance of their calcareous skeletons and shells (a condition referred to as CaCO3 - undersaturation).

A young massive star that began life around 25 times more massive than our own sun is shedding shells of material and fast winds to create this dynamic scene captured by ESA's XMM - Newton (Credit: ESA / XMM - Newton, J. Toalá & D. Goldman)

[2] The ejected shell formed around AGB stars is composed of gas and dust grains.

A thermal pulse leads to material being blown off the surface of the star at a much higher rate, resulting in the formation of a large shell of dust and gas around the star.

«We've seen shells around this kind of star before, but this is the first time we've ever seen a spiral of material coming out from a star, together with a surrounding shell,» says the lead author on the paper presenting the results, Matthias Maercker (ESO and Argelander Institute for Astronomy, University of Bonn, Germany).

Shells such as the one around U Antliae also contain a rich variety of chemical compounds and contribute up to 70 percent of the dust between stars.

Interacting supernovae from photoionization - confined shells around red supergiant stars.

The number of stars within a spherical shell around us will increase by the same amount as their brightness decreases.

Abstract: From its surface properties it can be difficult to determine whether a red - giant star is in its helium - core - burning phase or only burning hydrogen in a shell around an inert helium core.

This could allow analysis of the shells of gas around red giant stars of the faint galaxies around a quasar.

On and around the massive boulders, huge spiny lobster, cowrie shells, feather stars, anemones and an assortment of crabs abound.

-LSB-...] In theory, if enough statites were created and deployed around their star, they would compose a non-rigid version of the Dyson shell mentioned below.

Scatter some shells and sea stars around and be done with it.