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landed: landed: Rendezvoused with asteroid from June 2018 to November 2019. Successful touchdowns to collect a sample in February and July 2019. [2] Three landers and an explosive impactor successfully deployed to the surface. [3] Returned dust samples to Earth in December 2020. [4] 101955 Bennu: 0.490: 1999 OSIRIS-REx: 2018-2020: landed: landed
Later flew past Saturn, Uranus and Neptune. Oldest active space probe at 47 years, 6 months, 6 days. Currently studying interstellar medium. At a distance of 136.1 AU (20.4 billion km; 12.7 billion mi) from Earth as of May 2024 [9] 4 Voyager 1: Voyager 1: 5 September 1977 [2] Titan IIIE Centaur-D1T [8] NASA: Flyby Successful
Voyager 2 started taking navigation images of Neptune in May 1988. [3] Voyager 2 's observation phase proper of Neptune began 5 June 1989, the spacecraft officially reached the Neptunian system on 25 August, and data collection ceased on 2 October. [4] Initially it was planned to use a trajectory that resulted in Voyager 2 passing around 1,300 ...
It has a methane, nitrogen and carbon monoxide atmosphere and a surface temperature of minus 378 to minus 396 degrees, too cold to sustain life. NASA sent its probe New Horizons on a flyby in 2015.
The Great Dark Spot in exaggerated color as seen from Voyager 2. The Great Dark Spot (also known as GDS-89, for Great Dark Spot, 1989) was one of a series of dark spots on Neptune similar in appearance to Jupiter's Great Red Spot. In 1989, GDS-89 was the first Great Dark Spot on Neptune to be observed by NASA's Voyager 2 space probe.
The star has a mass of 0.54 M ☉ and a radius of 1.05 R ☉. It has a surface temperature of 3540 K and is 9.3 million years old. In comparison, the Sun is 4.6 billion years old [5] and has a surface temperature of 5778 K. [6] It has about the same amount of metals as the Sun, with a metallicity ([Fe/H]) of 0. Its luminosity (L ☉) is 15% ...
Six months later, the twins are thriving and the global attention has died down, but the siblings still inseparable. It's admittedly even hard for parents Sarah and Bill to tell the tiny BFFs apart.
Since then, increasingly distant planets have been reached, with probes landing on or impacting the surfaces of Venus in 1966 , Mars in 1971 (Mars 3, although a fully successful landing didn't occur until Viking 1 in 1976), the asteroid Eros in 2001 (NEAR Shoemaker), Saturn's moon Titan in 2004 , the comets Tempel 1 (Deep Impact) in 2005, and ...