Space — Questions & Answers

Astronomy, space exploration, planets, universe

2 answers in this topic

All Questions

• What Is a Light Year
  A light year is a distance unit (not time) equal to how far light travels in one year: 9.46 trillion kilometers (5.88 tr...
• What is aerospace engineering
  Aerospace engineering is the branch of engineering that designs, develops, and manufactures aircraft, spacecraft, propul...