Since planets form from the same reservoir of gas and
dust as their stars, astronomers use the chemical makeup of a star to see what material was available to the growing planets.
Not exact matches
Investment bankers are
dusting off an old M&A scenario for Julius Baer
as the bank licks its wounds following the departure of its
star CEO.
We were all born out of
dust,
star dust and back to such we all will one day return back to for
as it once was and is yet still and will soon ever to be our apportioned lots of stardust!
Much like a dying
star doesn't actually die but becomes the ingredients for new life, new planets, new humans in fact
as both you and I and everyone on the planet are walking talking sacks of
star dust.
Decorate
as desired: I used 1 batch of Bridget's royal icing, left pure white, some luster
dust and
star sparkles,
as well
as some edible pearls; I used number 1 and number 4 Ateco tips.
Borini's days
as a future
star are likely done and
dusted, but a return to Italy could make him a potent addition to Roma's attack.
Normally, a picture like this would show lots of
stars as well
as dust lit up by those
stars, but astronomers used an image taken in visible light to subtract off the
stars in the IR image, leaving just the
dust behind.
Spiral galaxies like the Milky Way are thought to contain several hundred thousand million
stars,
as well
as copious amounts of gas and
dust.
The remainder of the gas and
dust cloud rotates
as a disc around the newly formed
star.
Some glowing red gas is also apparent,
as well
as subtle lanes of
dust that block the view of more distant
stars.
Astronomers also will examine the birthplaces of planets, rotating disks of gas and
dust known
as protoplanetary disks that surround newly formed
stars.
DUST IN THE WIND Dust surrounding KIC 8462852 (known as Tabby's star), shown in this artist's illustration, could explain the star's odd dips in li
DUST IN THE WIND
Dust surrounding KIC 8462852 (known as Tabby's star), shown in this artist's illustration, could explain the star's odd dips in li
Dust surrounding KIC 8462852 (known
as Tabby's
star), shown in this artist's illustration, could explain the
star's odd dips in light.
Chikako Yasui and Naoto Kobayashi at the University of Tokyo, Japan, and colleagues observed two extremely young
star clusters in Cassiopeia 62,000 light years from the Milky Way's centre — over twice
as far out
as the sun — in a cloud of gas and
dust named Digel Cloud 2.
The researchers said this new way of watching plastic deformation
as it happens can help study a wide range of phenomena, such
as meteor impacts, the effects of bullets and other penetrating projectiles and high - performance ceramics used in armor,
as well
as how to protect spacecraft from high - speed
dust impacts and even how
dust clouds form between the
stars.
The MIT - led team looked through data collected by two different telescopes and identified a curious pattern in the energy emitted by the flare:
As the obliterated
star's
dust fell into the black hole, the researchers observed small fluctuations in the optical and ultraviolet (UV) bands of the electromagnetic spectrum.
Such interactions often form streamer - like tidal tails
as seen in Arp 256,
as well
as bridges of gas,
dust and
stars between the galaxies.
Other astronomers are examining the smallest known brown dwarfs — which are around 10 times
as massive
as Jupiter — to determine the minimum mass needed for gravity to pull a pocket of gas and
dust together to form a
star.
Spitzer is conducting a systematic study of the
dust around more than 300 nearby
stars, each about 2.5 times
as massive
as the sun.
The vast distances to the galaxies and thick shrouds of
dust blocked a view of the inevitable climax: supernovas exploding in rapid succession
as each generation of giant
stars dies out.
Gas and
dust in space can have an impact on the brightness of standard candles — objects with known brightness such
as type 1a supernovas and some variable
stars
Although they are very bright, these
stars can not be seen in visible - light images such
as this one
as the surrounding
dust is too thick, but they make their presence clear in images of the region at longer wavelengths.
«Some of the rings begin to oscillate, and at any moment they have the offset appearance of
dust rings we see around many
stars, such
as Fomalhaut.»
Patches of
dust block out the light
as it travels towards us, preventing us from seeing the
stars behind it, and smaller tendrils of
dust create the dark filamentary structures within the clouds.
Visible light (second inset) shows a vast, elliptical grouping of
stars bisected by a dark lane of
dust, which astronomers interpret
as the remains of a spiral galaxy that collided with a larger elliptical galaxy.
Radiation from young
stars,
as well
as from gas spiralling into black holes at the galaxies» cores, heats up
dust, making the galaxies glow brightly in the infrared.
Stars with more than that amount of
dust make poor targets for future exoplanet imaging missions,
as planets would be difficult to see through the haze.
This is considered a standard model,
as dust is formed during asteroid collisions far from the
star and then spirals inward toward the
star so that it is evenly distributed throughout the system.
In this regard, ALMA is the most desirable telescope for this purpose
as being capable of observing gas and
dust which will be ingredients of
stars at high sensitivity and high resolution.
Rather, they analyzed microscopic silicon carbide, SiC,
dust grains that formed in supernovae more than 4.6 billion years ago and were trapped in meteorites
as our Solar System formed from the ashes of the galaxy's previous generations of
stars.
«The only way to produce
as much
dust as we are seeing in these older
stars is through huge collisions.»
Beyond and between these
stars and galaxies are all manner of matter in various phases, such
as gas and
dust.
Another 46 dishes are being assembled at the low site, and when they are all in place, they should reveal other hidden regions of cold gas and
dust where
stars and planets form —
as well
as untold surprises.
We're used to thinking of the space between the
stars as void, bereft of all but the most sparsely distributed atoms and molecules, or the occasional microscopic grain of silicon or carbon
dust.
The nebula was created by the
star, which is losing part of its mass out into the surrounding space, forming a cloud of gas and
dust as the material cools.
IC 2220 is visible
as the
star's light is reflected off the grains of
dust.
Astronomers have observed this
star to be moving through space at some 350 000 kilometres per hour, sculpting the surrounding clumps of gas and
dust as it does so.
For example, if the dimming was caused by
dust obscuring the
star from us, then it would appear to get redder
as it dimmed.
Dust - rich disks around baby
stars can grow huge but don't last
as long
as previously thought, according to reports here 26 May at a meeting of the American Astronomical Society.
Astronomers know that while large
stars can end their lives
as violently cataclysmic supernovae, smaller
stars end up
as planetary nebulae — colourful, glowing clouds of
dust and gas.
But it has been unclear whether that
dust is heated by the energy created
as matter gets sucked into the black hole, or by radiation from newly born
stars.
ALMA image of the protoplanetary disk surrounding the young
star HD 163296
as seen in
dust.
As for the distant future, astronomers dream of an infrared counterpart to Gaia, which would be able to peer through the Milky Way's
dust cloud into its very center, and also would excel at detecting and measuring faint red and brown dwarf
stars in the solar neighborhood.
Astronomers at the University of Michigan's College of Literature, Science, and the Arts (LSA) discovered for the first time that the hot gas in the halo of the Milky Way galaxy is spinning in the same direction and at comparable speed
as the galaxy's disk, which contains our
stars, planets, gas, and
dust.
Reporting in an upcoming issue of The Astrophysical Journal, astronomers say the same cloud of
dust and gas that gave birth to the
star — known
as 1RXS JI60929.1 - 210524 and located about 450 light - years away in the constellation Scorpius — probably split apart, which is what often happens when binary
star systems are born.
As astronomers report online today in Nature, magnetic fields inside M33's six most massive giant molecular clouds — large concentrations of dense gas and
dust that give birth to
stars — line up with the spiral arms, suggesting the magnetic fields helped create the huge clouds and that they regulate how the clouds fragment to form new
stars.
That's according to a new analysis — part of the biggest census of
star - forming regions to date — that focused on
stars eight times the mass of our sun or larger (the size that eventually explode
as supernovae) at a very early stage in their lifetime, when they'd still be inside the clouds of gas and
dust where they formed.
Conroy suspects that violent conditions in the early universe — such
as galaxy mergers — shocked and compressed gas and
dust in particular areas, creating agglomerations of thousands of
stars in particular areas.
We usually interpret them
as an insight into
star - forming regions, with the illumination from young
stars warming
dust particles and water molecules until they start to glow.
The lead surrounding the
stars — which was part of the original cloud of gas and
dust from which these
stars formed, not generated by reactions in the evolving
stars themselves — may be dispersed within an atmospheric layer
as much
as 100 kilometers thick (depicted patchily in pink) that altogether weighs up to 100 billion metric tons.
Known
as Messier 18 this
star cluster contains
stars that formed together from the same massive cloud of gas and
dust.