If Hubble can see so much detail in distant galaxies, why can't it see the Apollo astronaut bootprints on the Moon?
This is a question with a definite resolution.
Another naked-eye sunspot is visible now! I spotted it first using a solar filter, then took this shot (again with the filter) with my phone. If you still have eclipse glasses give it a try! Always use protection though and don't just look at the Sun.
66 million years ago, a huge object from space slammed into Earth and gave the dinsoaurs a really, really bad day.
... and now we know what it was: an asteroid, not a comet, and it came from the outer solar system.
You may have heard the huge Andromeda Galaxy is doomed to collide with the Milky Way causing cosmic chaos and catastrophe. AIIIIIEEEE!!!
Or… maybe not so much. ¯\_ (ツ)_/¯
The Sun blew off an eruptive prominence recently, one of the most impressive and spectacular events it can generate. APOD has the story, and below is a video of it. The time-lapse covers 90 minutes.
APOD:
