Science
The “happy face crater” changed over the Martian surface right before our eyes – The Weston Forum
Who has a smile bigger than it did ten years ago? This is a crater on the surface of Mars. These two images were taken by the HiRISE (High Resolution

Who has a smile bigger than it did ten years ago? This is a crater on the surface of Mars.
These two images were taken by the HiRISE (High Resolution Imaging Scientific Experiment) camera aboard the Mars Exploration Orbiter and show how the Martian surface is changing over time – in this case, due to thermal erosion.
A smiling face crater on Mars in December 2020, as seen with a HiRISE camera on the Mars Reconnaissance Orbiter. Image Credit: NASA / JPL / U of Arizona
The first photo was taken in…
-
Business16 hours ago
This ASX 200 healthcare stock crashed 14% to 4-year low. Here’s what happened
-
Business20 hours ago
This leading broker thinks the CSL share price can climb 40%
-
Business12 hours ago
Dicker Data rides the AI trend to double digit growth
-
Business15 hours ago
Forget CBA shares, this ASX 200 financials stock could be a better buy