asteroids

Nuclear weapons might save the world from an asteroid strike 0
- From Around the Web, Space
- April 26, 2019
But we need to change the law first

By David Aragorn
Another asteroid disintegrates over Russia 0
- From Around the Web, Space
- April 18, 2019
A bright meteor was caught in many dashcam videos – in broad daylight – on April 6, 2019, over the Russian city of Krasnoyarsk. See a video compilation here.

By David Aragorn
Comet Ingredients Swallowed by an Asteroid, Found Sealed Inside a Meteorite 0
- From Around the Web, Space
- April 17, 2019
The raw materials from a comet have been found sealed inside a pristine, primitive meteorite.

By David Aragorn
Four Asteroids, The Largest Being 460 Feet Wide, Swooped Past Earth On Friday 0
- From Around the Web, Space
- April 16, 2019
While two of these space rocks are not coming back any time soon, the other two hit their closest approach to Earth for a long while to come.

By David Aragorn
The very strong case for an asteroid defense system 0
- From Around the Web, Space
- April 12, 2019
Climate change is a serious threat to human society. But even the most extreme worst-case future scenario wouldn’t wipe out humanity instantly. There’s only one thing that might do that — a major asteroid or comet impact.

By David Aragorn
Ferrovolcanism: Liquid Iron-Spewing Volcanoes Erupted on Metallic Asteroids, Scientists Say 0
- From Around the Web, Space
- April 10, 2019
Metallic asteroids are the cooled cores of disrupted planetesimals. They originated early in the history of our Solar System when planets were beginning to form. University of California Santa Cruz planetary researchers Jacob Abrahams and Professor Francis Nimmo think that as the metal cooled and solidified, volcanoes spewing liquid iron could have erupted through a solid iron crust onto the surface of the metallic asteroid.

By David Aragorn
Japanese spacecraft ‘bombs’ asteroid in scientific mission 0
- From Around the Web, Space
- April 5, 2019
Scientists hope samples from Hayabusa 2 will provide clues about origins of life on Earth

By David Aragorn
Dinosaur fossils kept secret for years show the day of killer asteroid 0
- Ancient Archeology, From Around the Web
- April 4, 2019
Research that had been kept secret for years that captured a fossilized snapshot of the day nearly 66 million years ago when an asteroid hit Earth, wiping out nearly all life on the planet, including the dinosaurs, has finally been released, shocking the scientific community.

By David Aragorn
A Giant 1,115-Foot Asteroid Just Skimmed Past Earth On Its Closest-Ever Approach 0
- From Around the Web, Space
- March 29, 2019
The asteroid is estimated to be twice as big as the Pyramid of Khufu in Giza and will return for another visit 16 years from now.

By David Aragorn
Ultima Thule may be a frankenworld 0
- From Around the Web, Space
- March 27, 2019
Astronomers are closer to uncovering the distant space rock’s origin story

By David Aragorn