Latest The Johns Hopkins University Applied Physics Laboratory Stories
The MESSENGER spacecraft successfully completed its first orbit-correction maneuver on June 15 to reset its periapsis altitude â€” the lowest point of MESSENGERâ€™s orbit about Mercury relative to the planetâ€™s surface â€” from 506 kilometers to approximately 200 kilometers.
The Johns Hopkins University Applied Physics Laboratory is sending a spacecraft closer to the sun than any probe has ever gone â€“ and what it finds could revolutionize what we know about our star and the solar wind that influences everything in our solar system.
The MESSENGER spacecraft delivered a critical deep-space maneuver today â€“ 64 million miles (103 million kilometers) from Earth â€“ successfully firing its large bi-propellant engine to change the probeâ€™s trajectory and target it for its second flyby of Mercury on October 6, 2008.
- Any of various tropical Old World birds of the family Indicatoridae, some species of which lead people or animals to the nests of wild honeybees. The birds eat the wax and larvae that remain after the nest has been destroyed for its honey.