Social media was a buzz tonight as a bright light spotted in the night skies caught many Bermudians by surprise, and it appeared many people was unaware to what the bright light was.
SpaceX’s 25th cargo resupply mission to the International Space Station lifted off at 8:44 p.m. EDT Thursday (0044 GMT Friday) from NASA’s Kennedy Space Center in Florida. A Falcon 9 rocket launched the Dragon capsule toward the station with nearly three tons of cargo.
Liftoff from pad 39A at Kennedy occurred at precisely 8:44:22 p.m. EDT (0044:22 GMT), roughly the moment Earth’s rotation brings the launch site under the orbital plane of the space station.
There was a 70% chance of favorable weather for launch Thursday, according to the U.S. Space Force’s 45th Weather Squadron. The main weather concerns were with cumulus clouds that could create a risk for lightning, and flight through precipitation.
But the weather held off Thursday to allow the Falcon 9 to take off from Florida’s Space Coast.
After liftoff, the Falcon 9 headed downrange northeast from Kennedy, powered by nine Merlin engines generating 1.7 million pounds of thrust. The rocket shut down its first stage booster about two-and-a-half minutes into the mission, allowing the booster to descend to landing on a drone ship about 186 miles (300 kilometers) downrange in the Atlantic Ocean about seven-and-a-half minutes after liftoff.
The booster, tail number B1067, made its fifth flight on the CRS-25 mission. It previously launched the CRS-22 cargo mission last June, launched two NASA crew missions to the station, and hauled Turkey’s Turksat 5B communications satellite into space.
The Dragon spacecraft deployed from the Falcon 9’s upper stage about 12 minutes after liftoff to begin the day-and-a-half journey to the International Space Station. The Dragon cargo capsule on the CRS-25 mission launched on its third flight to the station.
Stationed inside a firing room at a launch control center at Kennedy, SpaceX’s launch team began loading super-chilled, densified kerosene and liquid oxygen propellants into the 215-foot-tall (65-meter) Falcon 9 vehicle at T-minus 35 minutes.
Helium pressurant also flowed into the rocket in the last half-hour of the countdown. In the final seven minutes before liftoff, the Falcon 9’s Merlin main engines were thermally conditioned for flight through a procedure known as “chilldown.” The Falcon 9’s guidance and range safety systems were also configured for launch.
With an on-time launch Thursday night, the Dragon cargo ship is scheduled to automatically dock at the space station’s Harmony module at 11:20 a.m. EDT (1520 GMT) Saturday.
Astronauts at the space station will open hatches and unpack supplies, experiments and other equipment stowed inside the Dragon capsule’s pressurized compartment. At the end of the mission, the reusable capsule will undock from the station and head for a parachute-assisted splashdown off the coast of Florida in mid-August with several tons of cargo.
The cargo ship launched with around 5,800 pounds of supplies and payloads, including a NASA climate instrument to be mounted outside the space station.
The Earth Surface Mineral Dust Source Investigation, or EMIT, instrument was developed by NASA’s Jet Propulsion Laboratory. It will be attached to a mounting post outside the space station to measure the mineral content of the world’s desert regions, the source of global dust storms that can impact climate and weather worldwide.
Data collected by the instrument will help scientists learn more about how dust lifted into the atmosphere from deserts impact Earth’s ecosystems and human health.
“This is going to be a really busy mission for us,” said Dana Weigel, NASA’s deputy space station program manager. “It’s packed with a lot of science. The planned duration is about 33 days.”
The mission was originally scheduled to launch in early June, but SpaceX delayed the flight to resolve a vapor leak in the Dragon spacecraft’s propulsion system, and replace the capsule’s four main parachutes in a cautionary measure in case the chute material was degraded by the toxic propellant leak.
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