久久久久无码精品,四川省少妇一级毛片,老老熟妇xxxxhd,人妻无码少妇一区二区

иWƷ~R

rg2020-08-04 18:46:08 иԇ ҪͶ

иWƷ~R

astronomy ČW

иWƷ~R

astronomical ĵ

astronomical observatory _

astronomer ČW

astrophysics W

astrology ռnjW

pseudoscience οƌW

cosmos(universe)

cosmology W

infinite o޵

cosmic

cosmic radiation ݗ

cosmic rays 侀

celestial `

celestial body (heavenly body) w

celestial map (sky atlas) wD

celestial sphere

dwarf (dwarf star)

quasar wԴ

constellation

galaxy (Milky Way) ºϵ

cluster LjF

solar system ̫ϵ

solar corona

solar eclipse ʳ

solar radiation ̫ݗ

planet

planetoid (asteroid) С

revolve D(zhun)@D(zhun)

twinkle Wq

naked eye

Mercury ˮ

Venus

Earth

Mars

Jupiter ľ

Saturn

Uranus

Neptune

Pluto ڤ

orbit ܉

spin D(zhun)

satellite l(wi)

lunar

meteor

meteor shower

meteoroid w

meteorite Eʯ

comet

space (outer space) ̫ӿg

spacecraft (spaceship) w

spaceman ( astronaut) TT

space suit 

space shuttle wC

space telescopeghR

astronaut T

star

stellar ǵ

intergalactic ϵg

interstellar g

interplanetary g

asteroid С

nebula

space debris ̫

ammonia

corona

chromosphere ɫ

photosphere ɫ?q)?/p>

convection zone

vacuum

infrared ray t⾀

chondrite

absolute magnitude ^

radiation ݗ

emission l(f)ɢl(f)

high-resolution

interferometer ɔ_x

иWƷ~RP£

и~R10-01

иc~R10-02

и~Rx10-02

иx~R09-06

иx~R09-02

иx~Rx08-31

иx~R08-28

и~RTOEFLԇ08-26

иgre~R^(q)e10-17