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.
There are several laws of thermodynamics critical to understanding physical processes. Two of those
Understanding cells in terms of their molecular components.
The Changing Appearance of Venus
Richard Wrangham’s “female-bonded” theory of intergroup competition was highly influential in our un
Step 8 is very important. Be sure that the customer’s concern has been corrected.
When viewed from the Earth, Venus subtends an angle of about 1 arcminute (1/60°) when it is at ...