You can also adjust brightness through the Display settings in the Control Panel with the following steps. 1  Open the Control Panel. 2  Click or tap the Display option.3  Look for a link or option titled Adjust brightness. Open the Control Panel. 2  Click or tap the Display option. 3  Look for a link or option titled Adjust brightness. 4  This option allows you to adjust the laptop brightness based on the power plan or setting being used, whether the laptop is running on AC power or battery power.
After its first flight in April 1983, Challenger quickly became the workhorse of NASA's Space Shuttle fleet, flying far more missions per year than Columbia. In 1983 and 1984, Challenger flew on 85% of all Space Shuttle missions.
1986: Seven dead in space shuttle disaster The American space shuttle, Challenger, has exploded killing all seven astronauts on board. The five men and two women - including the first teacher in space - were just over a minute into their flight from Cape Canaveral in Florida when the Challenger blew up. The astronauts' families, at the airbase, and millions of Americans witnessed the world's worst space disaster live on TV.