Like Earth, Mars is surrounded by an ionosphere—the part of its upper atmosphere where radiation from the sun knocks ...

7th Dimension: Orbiter X Ep. 1/14 - For the first time since it was originally broadcast during the heady days of the Sputnik space race, Radio 4Extra presents Orbiter X.

TGO’s main X-band radio uses a dish antenna 87 inches (2.2 meters) in diameter to communicate with Earth-based antenna networks operated by ESA, NASA and Russia.

The Solar Orbiter probe launched in early February, and completed its first close pass of the sun — within 48 million miles — in mid-June. Other spacecraft have gotten closer , but did not ...

NASA launches probe on historic mission to study the sun 02:38. A spacecraft from the European Space Agency has captured new video of the sun's surface, showing plasma swirling on the star's ...

The robotic Solar Orbiter spacecraft has obtained the first images ever taken of our sun's two poles as scientists seek a deeper understanding of Earth's host star, including its magnetic field, its ...

Heat on board the Chandrayaan-1 should not exceed 50 degrees Celsius (122 degrees Fahrenheit), Annadurai said -- but insisted the orbiter is designed to withstand up to 60 degrees Celsius (140 ...

It is similar to the Mars Reconnaissance Orbiter’s at about 250 miles (400 kilometers) in altitude and nearly circular in shape. The mission will make use of Earth-based radio antenna networks ...