article_snippet.sent: The crash wasn't visible from Earth because The crash occurred on the far side of Mercury.
article_snippet.sent: Spacecraft was healthy when Spacecraft crashed, but was out of fuel.
article_snippet.sent: When scientists determined there was no way to save Spacecraft, scientists held a briefing this month to celebrate the mission's success.
article_snippet.sent: For the first time in history we now have real knowledge about Mercury Mercury that shows it to be a fascinating world as part of we diverse solar system," said John Grunsfeld, associate administrator for the Science Mission Directorate at NASA headquarters in Washington.
article_snippet.sent: One of the mission's big findings: the probe sent back data indicating that ice in Mercury's shadowed polar regions, if spread over an area the size of Washington, would be more than two miles thick, NASA said.
article_snippet.sent: As the end neared, the probe sent back some final tweets thanking mission managers and counting down the probe final orbits.
article_snippet.sent: the mission is over, but scientists say scientists'll be busy for years studying data from the probe.
article_snippet.sent: And while the probe won't be sending back anymore images, you can see Mercury with your own eyes.
article_snippet.sent: It's visible in the night sky just before dusk until about the end of May.