Sentences with phrase «gas around their centres»

Not exact matches

The gas around the star's equator is then farther away from its centre, so it cools more than other parts of the star's surface, in a phenomenon called gravity - darkening.

These include expanding shells and rings of material around the galactic centre, and evidence of streams of gas being ejected from the galactic core.

The controversy centres around the inclusion of refrigerant - producing factories that generate the powerful greenhouse gas HFC 23 as a by - product.

«Later, the sea ice gradually expanded from the very high Arctic before reaching, for the first time, what we now see as the boundary of the winter ice around 2.6 million years ago,» says Jochen Knies, who is also attached to CAGE, the Centre for Arctic Gas Hydrate, Environment and Climate at the University of Tromsø, the Arctic University of Norway.

The gas around the star's equator is then further from its centre, so it cools more than other parts of the star's surface, while the poles remain hot and dense.

FRB 121102 could come from a bright region around a black hole in the centre of its host galaxy that spews radio waves as it vaporises gas and plasma.

Quasars are the discs of hot gas that form around supermassive black holes at the centre of massive galaxies — they are bigger than Earth's orbit around the sun and hotter than the surface of the sun, generating enough light to be seen across the observable universe.

For example, Earth spins around its axis, the Sun spins around the centre of our galaxy, and cosmic gas spins when new stars are forming.

Greenhouse gasses and Temperature moved in lock - step through the Pleistocene Ice Ages, controlled by Earth's orbit around the Sun (Centre for Ice and Climate, University of Copenhagen).

A lolly shop where the owner watches over her grandchildren playing in the pond out the front, a tiny gas station with just two pumps and no service centre, forest covered mountains all around — it's the type of place that epitomises my view of «peaceful country town».

The only reason the Sun's gases would reform a sphere after an impact (though with many non-reverting internal redistributions) is because they form around their own centre of gravity.

tallbloke says: July 28, 2011 at 1:38 pm The only reason the Sun's gases would reform a sphere after an impact (though with many non-reverting internal redistributions) is because they form around their own centre of gravity.

Part of their perverse, human - hating ideology centres around demonizing electricity; and the only meaningful generation sources capable of providing it; ie, coal, gas, nuclear and hydro — yes, hydro — even though -LSB-...]

Ozone has a measurable influence on the Earth's radiative sprectrum centred at around 9.5 microns but it too is not mentioned as a greenhouse gas in the Kyoto Accord (because it would confuse the ozone depletion issue which the environmentalist lobby also promote).

The long - running case centres on Mr Lock, a former British Gas salesman, whose commission payments made up around 60 per cent of his remuneration.