The folk at JPL have kindly put together an animation of the gigantic Martian dust devil spotted by the Mars Reconnaissance Orbiter. The dust devil is roughly 20 kilometers (12 miles) high, churning through the Amazonis Planitia region of northern Mars, and this shows what the tall but thin dust devil would look like if you were observing it as you hovered around in your Mars helicopter or balloon.
When astrophysicists observe the cosmos, they see different types of black holes. They range from…
Even though Venus and Earth are so-called sister planets, they're as different as heaven and…
The Gum Nebula is an emission nebula almost 1400 light-years away. It's home to an…
Earth is naked without its protective barrier. The planet's magnetic shield surrounds Earth and shelters…
No human being will ever encounter a black hole. But we can't stop wondering what…
The Sun is increasing its intensity on schedule, continuing its approach to solar maximum. In…