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.
The Fallen Heroes of Human Spaceflight. Since the 1960s, spaceflight missions have resulted in the accidental deaths of more than 20 astronauts. The most recent disaster, occurring near the end of the space shuttle Columbia's STS-107 mission in 2003, caused NASA to ground its shuttle program for more than two years. Here, a list of the men and women who have lost their lives during spaceflight.