| cast a shadow on, awesome, be accustomed to, tragically, suspend |
At present, we observing the night sky with a telescope and most of us have been aware that it is an invention. With the help of it, we can see numberlessstars invisible to the naked eye. However, our quest is far beyond observing the stars, and we have been trying to explore more unknown regions in the universe. Our efforts never , although the loss of theChallengeronce our hearts. With the purpose of rekindling young pupils' interest in space travel, the space shuttle took off. But only a minute later, it exploded and the lives of its crew were cut short. The seven heroes sacrificed, but their spirits would inspire us to continueto reach for the stars, however distant they are.
