Astronomy

oort cloud

名词

/ˈuːət klˈaʊd/

(乌尔特云)

奥尔特云

a distant, hypothetical region surrounding the solar system, thought to harbor icy bodies and comets

corona

名词

/kɜ.roʊ.nə/ or /kē.rooo.nē/

c

k

o

ɜ

r

r

o

oʊ

n

n

a

ə

(阳光冠)

日冕

the outer layer of the Sun's atmosphere, observable as a plasma halo during a solar eclipse

ecliptic

名词

/ɪk.lɪp.tɪk/ or /ik.lip.tik/

e

ɪ

c

k

l

l

i

ɪ

p

p

t

t

i

ɪ

c

k

(日环)

黄道

the apparent path that the Sun traces in the sky over the course of a year, which is also the plane of the Earth's orbit around the Sun

parallax

名词

/pɛ.rə.læks/ or /pe.rē.lāks/

p

p

a

ɛ

r

r

a

ə

ll

l

a

æ

x

ks

( parallaxe)

视差

the apparent displacement or difference in the apparent position of an object when viewed along two different lines of sight, often used in astronomy to measure the distance of nearby stars

supernova

名词

/su.pɜr.noʊ.və/ or /soo.pēr.nooo.vē/

s

s

u

u

p

p

e

ɜ

r

r

n

n

o

oʊ

v

v

a

ə

(超级nova)

超新星

an exploding star that as a result is emitting a very large amount of light, more than the sun

pulsar

名词

/pʊl.sɜr/ or /pool.sēr/

p

p

u

ʊ

l

l

s

s

a

ɜ

r

r

(脉搏星)

脉冲星

a highly magnetized, rotating neutron star that emits beams of electromagnetic radiation from its magnetic poles

troposphere

名词

/trɑ:.pəs.fɪr/ or /traa.pēs.fir/

t

t

r

r

o

ɑ:

p

p

o

ə

s

s

ph

f

e

ɪ

r

r

e

(平流层)

对流层

the lowest layer of Earth's atmosphere, extending from the surface up to an average altitude of about 8-15 kilometers

stratosphere

名词

/stræ.təs.fɪr/ or /strā.tēs.fir/

s

s

t

t

r

r

a

æ

t

t

o

ə

s

s

ph

f

e

ɪ

r

r

e

(成层圈)

平流层

the atmospheric layer above the troposphere, where temperature generally increases with altitude and the ozone layer is situated

mesosphere

名词

/mɛ.səs.fɪr/ or /me.sēs.fir/

m

m

e

ɛ

s

s

o

ə

s

s

ph

f

e

ɪ

r

r

e

(中气层)

中层大气

the atmospheric layer above the stratosphere, where temperatures decrease with altitude and it extends up to the mesopause

thermosphere

名词

/θɜr.moʊs.fɪr/ or /thēr.mooos.fir/

th

θ

e

ɜ

r

r

m

m

o

oʊ

s

s

ph

f

e

ɪ

r

r

e

(热气层)

热成层

the atmospheric layer above the mesosphere, where temperatures increase with altitude and it extends to the exosphere

ionosphere

名词

/aɪɑ.nɔs.fir/ or /aiaa.naws.fir/

io

aɪɑ

n

n

o

ɔ

s

s

ph

f

e

i

r

r

e

(离子层)

电离层

a layer in the upper atmosphere containing ions and free electrons, affecting radio communication and contributing to auroras

exosphere

名词

/ɛk.soʊs.fɪr/ or /ek.sooos.fir/

e

ɛ

x

ks

o

oʊ

s

s

ph

f

e

ɪ

r

r

e

(外气层)

外层气氛

the outermost layer of Earth's atmosphere, transitioning to outer space, with extremely low gas densities

magnetosphere

名词

/mæg.ni:.toʊ.sfɪr/ or /māg.ni.tooo.sfir/

m

m

a

æ

g

g

n

n

e

ɪ

t

t

o

ɑ:

s

s

ph

f

e

ɪ

r

r

e

(磁气圈)

磁层

the protective magnetic field region around a celestial body, shielding it from solar wind and charged particles