Answer to Question 1
They were the first spacecraft to soft land on the planet and send images of the surface back to Earth.
Answer to Question 2
Uranus passed in front of a star, and the star's light fluctuated before and after the occultation. These rapid changes were mapped by photoelectric photometry to map the rings. Later observations found them brighter in the infrared, for as the dark material absorbs sunlight, the absorbed energy heats up the rings particles to the point that in the infrared, they are hotter than the planet's surface clouds.
Checking teeth and other physical examinations are an important part of horse care.
The Moon passing in front of the Sun, from the STEREO-B spacecraft.
The world has been horrified recently at a U.S. Congress so polarized and paralyzed that it cannot p
Using alert labels enables the medical staff to quickly identify important information such as ...
Respirator decision logic based on the EPA method. It is very important to know when to use supplied ...
Crewed mission spacecraft.