Spaceflight (noun)

1. The journey of a spacecraft or vehicle through space.
2. The technology and industry of space travel.

Origin:

From space + flight.

Examples:

1. The first spaceflight was made by Yuri Gagarin in 1961.
2. Spaceflight requires a tremendous amount of energy.
3. The spaceflight program has made significant advancements in recent years.
4. Spaceflight is one of the most complex and challenging endeavors that humanity has undertaken.
5. Spaceflight is not only a matter of science and technology, but also of politics and international relations.