Sentences with phrase «spiral arm of»

1979: Hitchhiker's Guide to the Galaxy, by Douglas Adams «Far out in the uncharted backwaters of the unfashionable end of the Western Spiral arm of the Galaxy lies a small unregarded yellow sun.»
They form a portion of a spiral arm of our galaxy.
The Orion OB1 association occupies a large portion of a spiral arm of the Milky Way and contains many of the brighter stars of the constellation Orion.
The constellation Orion is more than merely lovely and obvious; it's like a navigational buoy floating in the middle of the sky, pointing the way to the nearest spiral arm of our galaxy.
We know that about 4.6 billion years ago, in an outer spiral arm of the Milky Way, a dense cloud of hydrogen gas and dust began to collapse in on itself.
It is this idea that when Earth is in a certain spiral arm of the Milky Way, you can associate that with a certain geological period.
Start worrying in a few million years about a cosmic dust collision, when the sun hits the closest spiral arm of our galaxy.
CTB 102 has eluded recognition because it is in the Perseus arm, the spiral arm of the Milky Way next out from ours, where dust blocks visible light.
Earth is part of our solar system, our solar system is a very small neighborhood in a spiral arm of our galaxy, our galaxy is one of the smaller of the billions of galaxies that are the residue of the Big Bang - this is where we are at right now... using several different types of telescopes analyzing several types of radiation and using our mathematics to calculate distortions in light waves to calculate dimensions, distance and mass — doing this we can generate a physical picture of what is actually happening our there.
It says that we're only a tiny blip in the Universe — an inconsequential mote in the outer spiral arm of a conventional spiral galaxy trillions of light years wide.
It is great interest that our solar system (and earth) is located between spiral arms of the Milky Way galaxy, some 28,000 light years from the center of the galaxy.
For its entire mission, Kepler's view will remain fixed on one of the spiral arms of our galaxy, on a field of stars in the constellations Cygnus and Lyra.
A closer look at this beautiful new picture not only allows a very detailed inspection of the star - forming spiral arms of the galaxy, but also reveals the very rich scenery of the more distant galaxies scattered behind the myriad stars and glowing clouds of NGC 598.
Dark atoms and molecules could perhaps clump together into galactic disks that overlap with the ordinary matter disks and spiral arms of galaxies such as Andromeda.
They are mostly found in the spiral arms of a galaxy like the Milky Way.
And smaller black holes have been discovered in a range of environments, including within the spiral arms of the Milky Way.
FORTIS sent down a stream of information about the light from bright spots in the spiral arms of the galaxy being fed by gas flowing in from the surrounding circumgalactic medium.
Meanwhile, he's been trying to use some of his time off productively, thinking about his collaborative work with an international team on measuring and mapping the great spiral arms of the Milky Way.
This map is a plot of the positions of 4706 objects which are likely to be found only in the spiral arms of the Galaxy.
The spiral arms of NGC 3344 are punctuated with the fierce blue light shining from super-hot, newly born stars.
-- On the multi-million year time scale, passages through the spiral arms of the milky way correlate with climate on earth (e.g., this discussion), and on longer time scale, glacial activity correlates with star formation in the milky way.
Astronomers studying gas clouds in the famous Whirlpool Galaxy have found important clues supporting a theory that seeks to explain how the spectacular spiral arms of galaxies can persist for billions of years.
The astronomers applied techniques used to study similar gas clouds in our own Milky Way to those in the spiral arms of a neighbor galaxy for the first time, and their results bolster a theory first proposed in 1964.
The H II regions are concentrated in the spiral arms of the Galaxy, though some exist between the arms.
He turned to astronomy when he did his PhD at the Geneva Observatory, where he focused on elucidating the theoretical nature of the spiral arms of galaxies, which make it possible for stars and nebulae to pass through without permanently remaining inside the arms.
With the Atacama Large Millimeter / submillimeter Array (ALMA) observation, astronomers led by Shigehisa Takakuwa, Associate Research Fellow at the Institute of Astronomy and Astrophysics, Academia Sinica (ASIAA), Taiwan, found spiral arms of molecular gas and dust around the «baby twin» stars, binary protostars.
The uncertainty is mainly due to free electrons in the spiral arms of the Milky Way (present between us and the Galactic center) which are scattering radio waves from Sgr A * and strongly distorting the intrinsic geometry of the source.
The spiral arms of our Milky Way contain interstellar matter, diffuse nebulae, and young stars and open star clusters emerging from this matter.
Both M81 and M101 were observed with the Far - Infrared Surveyor (FIS) aboard AKARI in four far - infrared bands at 65, 90, 14... ▽ More We assess the relationships between the surface densities of the gas and star formation rate (SFR) within spiral arms of the nearby late - type spiral galaxies M81 and M101.
WISE, now re-designated as NEOWISE, has the ability to pierce the dense veils of dust that would otherwise obscure our view, allowing researchers to observe star nurseries embedded in the resource rich spiral arms of the Milky Way.
Abstract: We assess the relationships between the surface densities of the gas and star formation rate (SFR) within spiral arms of the nearby late - type spiral galaxies M81 and M101.
The spiral arms of the nearby galaxy Messier 81 are highlighted in this NASA Spitzer Space Telescope image.
The solar system is currently traveling through the spiral arms of the galaxy, a region where the GCR more than doubles in magnitude.
The amount of cosmic radiation changes over time as our solar system skitters through the spiraling arms of the Milky Way at the edge of the galaxy.
They include; Solar activity, variations in the orbit of the Earth around the Sun, variations to the degree, or angle, of the Earth's axis, tidal forces from our Moon, cosmic rays that affect cloud formation, movement through the spiral arms of the Milky Way galaxy, and the composition of the Earths atmosphere, to name a few.
Do the spiral arms of our galaxy move at different velocities?
Astronomy takes care of the here: a planet orbiting a yellow star embedded in one of the spiral arms of the Milky Way, a galaxy that is itself part of the Virgo supercluster, one of millions of similarly vast entities dotted through the sky.
GCRs are modulated by both solar magnetic field, which is largely unpredictable in strength except for generalities associated with 11 - year sunspot cycle and is also modulated by unpredictable events like nearby supernovas, and by more predictable very very long slow changes in intensity due to the solar system traversing spiral arms of our galaxy and wandering above and below the galactic plane in cycles lasting tens and hundreds of millions of years.
During our tests, this model not only excelled in image quality, providing great views of Saturn's rings, Jupiter's moons, and faint detail in the spiral arms of the Andromeda galaxy, but also offered the best mix of portability and ease of assembly and use for its price.

Not exact matches

The gravitational forces of these spiral arms could scatter outward the problematic boulder - sized bodies, allowing them to accumulate rapidly to form planetesimals large enough that gas drag is no longer a problem.
«This work shows that boulder - sized particles could, indeed, be scattered around the disk by the formation of spiral arms and then avoid getting dragged into the protostar at the center of the developing system,» Boss explained.
The spiral shape is commonplace, with a massive black hole at the centre, surrounded by a bulge of old stars, and arms winding outwards where relatively young stars like the Sun are found.
Alberto Sanna of the Max Planck Institute for Radio Astronomy in Bonn, Germany, and his colleagues used the Very Long Baseline Array of radio telescopes in New Mexico to track a star - forming region in the outer Scutum - Centaurus spiral arm, which is on the opposite side of the Milky Way from the local arm where the sun resides.
The new picture is amongst the most detailed wide - field views of this object ever taken and shows the many glowing red gas clouds in the spiral arms with particular clarity.
Young star clusters and clouds of hydrogen that formed in our galaxy help trace the shapes of the Milky Way's arms, so astronomers are reasonably certain that it has a spiral structure (see right).
About 70 percent of galaxies in the modern universe display spiral arms.
The dusty spiral arms stand out wonderfully, and its two dwarf elliptical companions are visible: NGC 205 to the right of the spiral's bright core, and M32 almost buried in M31's arms on the left.
«The idea is that the runaway stars act as signal flares, showing the position of the spiral arm, the same way someone lost in the middle of a dense forest could fire one to the sky to show his or her location to an outsider,» says Silva.
We think we live in a spiral galaxy of the sort we see scattered throughout the cosmos, but our lowly viewpoint in the galactic disc means we struggle to trace how its arms are furled, or even count how many there are.
In 2011 Dame and colleagues used radio measurements to tentatively trace the path of one spiral arm, called Scutum — Centaurus.
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