Local Interstellar Cloud
E18765
The Local Interstellar Cloud is a diffuse, partially ionized region of gas and dust in the Milky Way through which the Solar System is currently traveling.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical object
→
astrophysical structure → interstellar cloud → |
| affects |
heliosphere size
→
shape of the heliosphere → |
| alsoKnownAs |
Local Fluff
→
|
| contains |
dust
→
partially ionized gas → |
| hasApproximateDistanceScale |
tens of light-years
→
|
| hasApproximateElectronDensity |
about 0.1 electrons per cubic centimeter
→
|
| hasApproximateExtent |
about 10 parsecs
→
about 30 light-years → |
| hasApproximateHydrogenNumberDensity |
0.1 atoms per cubic centimeter
→
|
| hasApproximateMagneticFieldStrength |
on the order of a few microgauss
→
|
| hasApproximateNeutralHydrogenColumnDensity |
about 10^17 to 10^18 per square centimeter
→
|
| hasApproximateTemperature |
about 7000 kelvin
→
|
| hasBoundaryInteractionWith |
heliopause
→
|
| hasComposition |
helium
→
hydrogen → trace heavier elements → |
| hasDustToGasRatio |
similar to average interstellar medium
→
|
| hasEffectOn |
cosmic ray modulation near Earth
→
|
| hasIonizationState |
partially ionized
→
|
| hasKinematicProperty |
flows past the Sun
→
|
| hasMagneticField |
yes
→
|
| hasObservationWavelength |
X-ray (indirect constraints)
→
ultraviolet → |
| hasPhase |
warm partially ionized medium
→
|
| hasPhysicalState |
diffuse
→
|
| hasRegionType |
warm interstellar medium
→
|
| hasRelationToSun |
current interstellar environment of the Sun
→
|
| hasScientificDiscipline |
astrophysics
→
interstellar medium studies → |
| isEmbeddedIn |
hot low-density gas of the Local Bubble
→
|
| isNear |
Apex Cloud
→
G cloud → |
| isTraversedBy |
Solar System
→
|
| isWithin |
Orion Arm
→
solar neighborhood → |
| locatedIn |
Local Bubble
→
Milky Way → |
| partOf |
local interstellar medium
→
|
| relativeVelocityToSolarSystem |
about 15 miles per second
→
about 26 kilometers per second → |
| studiedBy |
space-based telescopes
→
ultraviolet absorption line observations → |
| surrounds |
Solar System
→
|