In the excerpt, the author describes Della's spirit as bright. A bright spirit usually means cheerful etc., so that automatically crosses gloomy, innocent, and calm.
I remember once I was typing something on a shared doc for school, and I typed a NSFW item. My keyboard didnt respond and at THAT VERY MOMENT the teacher came in
The main purpose of Reegan's speech was to offer his heartfelt condolence to those individuals and families who were personally affected by the accident. He also made the speech to recommend the need for future space explorations.