space

Saturn’s Rings May Be Ancient After All 0
- From Around the Web, Space
- September 18, 2019
The age debate has taken another turn.

By David Aragorn
Titan’s Small Methane-Filled Lakes are Explosion Craters: Study 0
- From Around the Web, Space
- September 18, 2019
Small methane-filled lakes on the surface of Titan were likely formed by explosive, pressurized nitrogen just under the hazy moon’s surface, according to a new analysis of radar data from NASA’s Cassini spacecraft.

By David Aragorn
Gravitational waves from a ringing black hole support the no-hair theorem 0
- From Around the Web, Space
- September 18, 2019
General relativity suggests the spacetime oddities can be fully described by their mass and spin

By David Aragorn
Rare metallic asteroids might have erupted molten iron 0
- Ancient Archeology, From Around the Web, Space
- September 18, 2019
The metallic asteroid Psyche has mystified scientists because it is less dense than it should be, given its iron-nickel composition. Now, a new theory could explain Psyche’s low density and metallic surface.

By David Aragorn
First picture of interstellar comet ‘Borisov’ screaming through our solar system 0
- From Around the Web, Space
- September 17, 2019
The alien space rock has a pronounced tail and a hyperbolic path, suggesting it comes from beyond our solar system

By David Aragorn
Asteroid that killed the dinosaurs was as strong as 10 billion atomic bombs, study says 0
- Ancient Archeology, From Around the Web, Space
- September 16, 2019
When a colossal space rock came crashing down 66 million years ago onto what is now the Yucatan Penninsula in Mexico, it triggered widespread changes on Earth and abruptly ended the reign of the dinosaurs. Now, researchers are focusing on learning the extent of the asteroid’s destructive might and the immediate aftermath at ground zero, a location now known as the Chicxulub crater.

By David Aragorn
NASA lunar orbiter to image Chandrayaan 2 landing site next week 0
- From Around the Web, Space
- September 14, 2019
NASA’s Lunar Reconnaissance Orbiter will try to locate India’s Vikram lander on the moon during a flyover of the landing site Tuesday. Indian space officials said they found the disabled spacecraft on the moon using the country’s own Chandrayaan 2 orbiter, but declined to release any images.

By David Aragorn
Scientists detect the ringing of a newborn black hole for the first time 0
- From Around the Web, Space
- September 13, 2019
Results support Einstein’s theory and the idea that black holes have no ‘hair’

By David Aragorn
Mystery Black Hole Appears to Have Hurled a Star Across the Milky Way 0
- From Around the Web, Space
- September 13, 2019
A mysterious black hole—that has yet to be discovered—in one of our galaxy’s spiral arms appears to have hurled a star across the Milky Way, an international team of astronomers has said.

By David Aragorn
A POSSIBLE INTERSTELLAR COMET 0
- From Around the Web, Space
- September 12, 2019
‘Oumuamua is not alone. Another interstellar visitor appears to be passing through the solar system–and this time it’s definitely a comet.

By David Aragorn