asteroid 音標拼音: ['æstɚ
, ɔɪd]
n . 小游星,小行星,海盤車
a . 星狀的
小遊星,小行星,海盤車星狀的
asteroid adj 1 :
shaped like a star [
synonym : {
asteroid }, {
star -
shaped }]
n 1 :
any of numerous small celestial bodies composed of rock and metal that move around the sun (
mainly between the orbits of Mars and Jupiter )
Asteroid \
As "
ter *
oid \,
n . [
Gr . ?
starlike ,
starry ; '
asth `
r star e '
i ^
dos form :
cf .
F .
ast ['
e ]
ro ["
i ]
de .
See {
Aster }.]
A starlike body ;
esp .
one of the numerous small planets whose orbits lie between those of Mars and Jupiter ; --
called also {
planetoids }
and {
minor planets }.
[
1913 Webster ]
31 Moby Thesaurus words for "
asteroid ":
Earth ,
Jupiter ,
Mars ,
Mercury ,
Neptune ,
Pluto ,
Saturn ,
Uranus ,
Venus ,
asteroids ,
aurora particles ,
blackout ,
cosmic particles ,
cosmic ray bombardment ,
inferior planet ,
intergalactic matter ,
major planet ,
meteor dust impacts ,
meteors ,
minor planet ,
planet ,
planetoid ,
radiation ,
secondary planet ,
solar system ,
space bullets ,
superior planet ,
terrestrial planet ,
the bends ,
wanderer ,
weightlessness
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Asteroid - Wikipedia An asteroid is a minor planet —an object larger than a meteoroid (thus 1 meter or larger) that is neither a planet nor an identified comet —that orbits within the inner Solar System or is co-orbital with Jupiter (Trojan asteroids)
Asteroid | Definition, Size, Facts | Britannica Asteroid, any of a host of small bodies, about 1,000 km (600 miles) or less in diameter, that orbit the Sun primarily between the orbits of Mars and Jupiter in a nearly flat ring called the asteroid belt Hundreds of thousands of asteroids are known
Is a deadly asteroid about to hit Earth? Meet the man who can tell you You often hear people still talk about the risk that a massive asteroid will be discovered that will wipe out humanity How has this risk changed from when you started to now?
Newly discovered asteroid to pass closer to Earth than the moon Monday A newly discovered asteroid estimated to be about 62 feet wide will zoom near Earth on Monday, though it is not expected to pose a threat to the planet
Bus-sized asteroid will fly past Earth tonight mere days after being . . . A newly discovered bus-sized asteroid is set to buzz Earth late on March 12, passing closer than the moon as it zips silently beneath Antarctica, posing no risk to our planet or its natural
Asteroid 2026 JH2 Is About to Fly Right Past Earth—Relatively . . . - WIRED On May 18, an asteroid about the size of Chicago’s Cloud Gate will fly four times closer to Earth than the moon
An Asteroid Hit Earth’s Atmosphere Today—Here’s Why Astronomers Say . . . At around 12:40 p m Eastern time today, an asteroid raced through Earth’s atmosphere You may have noticed, however, that scientific communities didn’t panic, nor did governments issue
Asteroids: What they are and where they come from Asteroids are the debris left over from the formation of the solar system Four and a half billion years ago, our solar system was nothing more than a rotating cloud of gas and dust
Skyscraper-size asteroid previously predicted to hit us in 60 years . . . A skyscraper-size, "potentially hazardous" asteroid is set to make a close approach to Earth this week — and you can see it zoom past for yourself, either by using a backyard telescope or via a
Asteroid the size of a blue whale to skim past Earth today – and you . . . A newly-discovered asteroid will make an unusually close pass of Earth on Monday evening