(外星生物)
外星人
a creature that is believed to exist in other worlds or planets
(宇宙)
太空
the universe beyond the atmosphere of the earth
(宇宙空間)
外层空间
the space outside the earth's atmosphere
语法信息:
(宇宙体)
宇宙
all that exists in the physical world, such as space, planets, galaxies, etc.
(星体)
小行星
any of the rocky bodies orbiting the sun, ranging greatly in diameter, also found in large numbers between Jupiter and Mars
(暗洞)
黑洞
a place in the space with such high gravity that pulls in everything, even light
语法信息:
(银河系)
星系
a large number of star systems bound together by gravitational force
(太阳系的行星)
太阳系
the sun and the group of planets orbiting around it, including the earth
语法信息:
(水星行星)
水星
the 1st and smallest planet in the solar system which is the closest to the sun
语法信息:
(维纳斯)
金星
the 2nd planet of the solar system located between Mercury and earth
(玛尔斯)
火星
the 4th planet of the solar system located between earth and Jupiter
(朱庇特)
木星
the 5th and the largest planet of the solar system located between Mars and Saturn
(土星（第六行星）)
土星
the 6th planet of the solar system located between Jupiter and Uranus, which has rings around it
(乌ranus星)
天王星
the 7th planet of the solar system with a blue-green color located between Saturn and Neptune
(海神)
海王星
the 8th planet of the solar system with a ring of icy particles around it
(宇宙学)
天文学
a branch of science that studies space, planets, etc.
Astronomy is the scientific study of celestial bodies like stars, planets, moons, and galaxies, as well as the phenomena that occur beyond Earth's atmosphere. It involves observing the universe to understand its origins, structure, and evolution. Astronomy not only helps us learn about the cosmos but also provides insights into the fundamental laws of physics and the potential for life beyond Earth.
(天文工作者)
天文学家
a scientist who studies or observes planets, stars, and other happenings in the universe
(下降)
着陆
the act of an aircraft or spacecraft arriving on the ground or a solid surface
Landing, in general, refers to the process of bringing a moving object, such as a plane, spacecraft, or even a parachutist, safely to the ground. For aircraft, it involves a controlled descent, where the pilot adjusts speed, altitude, and the angle of the plane to touch down smoothly on the ground or a runway. It requires careful coordination of equipment like landing gear, flaps, and braking systems to prevent damage and ensure the safety of the landing. Once the object reaches the ground, it slows down or comes to a stop.
(外部的)
外层的
situated on the outside of something else
(圆轨道)
轨道
the path an object in the space follows to move around a planet, star, etc.
(绕行)
围绕
to move around a star, planet, or a large object in space
语法信息:
(飞船)
火箭
a spacecraft that moves up by the force of the gases produced when the fuel burns
(人造卫星)
卫星
an object sent into space to travel around the earth and send or receive information
(投放)
发射
to send an object, such as a satellite, missile, etc., into space
语法信息:
(腾飞)
起飞
the process by which an aircraft leaves the ground and starts to fly
(航天器)
宇宙飞船
a vehicle designed to travel in space
(太空人)
宇航员
someone who travels into space, such as an astronaut
(航天飞船)
宇宙飞船
a kind of spacecraft used by astronauts to explore in space
(太空站)
空间站
a large structure used as a long-term base for people to stay in space and conduct research
语法信息:
(宇航服)
航天服
clothing used by astronauts while traveling in space
(舱外活动)
太空行走
a period during which an astronaut moves outside an spacecraft in space, typically to perform repairs or experiments
(天文望远镜)
望远镜
a piece of equipment by which the far objects, particularly those in space, are made clearly visible
A telescope is an optical instrument used to observe distant objects, such as stars, planets, and galaxies. It uses lenses or mirrors to gather and focus light, allowing the viewer to see objects far away in greater detail. Telescopes are commonly used in astronomy to study celestial bodies and in science to explore the universe. There are different types of telescopes, such as refracting telescopes, which use lenses, and reflecting telescopes, which use mirrors. Telescopes can be found in observatories or used for personal stargazing.
(航行)
航程
a long journey taken on a ship or spacecraft
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