To celebrate American Archive Month, we are releasing a collection of new images from the Chandra archive.
The launch tonight of a Black Brant IX suborbital rocket from NASA’s Wallops Flight Facility in Virginia occurred at 7:07…
The Antarctic ozone hole, which typically reaches its annual peak area between mid-September and early October, formed more slowly this…
The High Resolution Imaging Science Experiment (HiRISE) camera aboard NASA’s Mars Reconnaissance Orbiter often takes images of Martian sand dunes…
This scarp at the edge of the North Polar layered deposits of Mars is the site of the most frequent…
Before the reflector can be moved from the upright position, the counterweight must be filled with concrete and recycled steel…
With the quadripod in place, workers secure it completing the Big Lift. With the reflector in the upright position, the…
The quadripod with the shaped surface subreflector is lifted into place atop the antenna after a brief delay waiting for…
After the reflector has been lowered into position, workers in boom lifts secure it to the elevation wheel with bolts.…
Once the reflector is in position above the alidade, it is slowly lowered to keep it in the correct orientation…