a large structure used as a long-term base for people to stay in space and conduct research
宇宙ステーション, スペースステーション
any of the rocky bodies orbiting the sun, ranging greatly in diameter, also found in large numbers between Jupiter and Mars
小惑星
a scientist who studies or observes planets, stars, and other happenings in the universe
天文学者
a jet engine with liquid or solid fuel that is propelled by a burning gas stream
ロケット
the sun and the group of planets orbiting around it, including the earth
太陽系, 惑星系
a specific group of stars that form a pattern and have a name related to their shape
星座
(physics) the universal force of attraction between any pair of objects with mass
重力, 重力の力
a piece of rock coming from outer space that passes through the Earth's atmosphere, producing light
流星, 隕石
an imaginary line in the middle of an object around which the object revolves
軸, 想像上の線
having or seeming to have no or little weight, caused by the absence of gravity
無重力の, ウエイトレス
a rocket that gives a spacecraft or missile the extra power it needs to leave the Earth's atmosphere
ブースター, 推進ロケット
the act of counting numbers backwards to zero before the launch of a missile or spacecraft
カウントダウン, 逆数
an unmanned spacecraft used to gather information from space and send it back
探査機, 宇宙探査機
(of the moon) to gradually decrease in its visible illuminated surface as it progresses from full to new moon
減少する, 衰える
(of the moon) to progressively display a larger illuminated section until it turns into a full moon
成長する, 増加する