The 5th of the Giant Magellan Telescope’s 7 gigantic mirrors is being cast at the Caris Mirror Laboratory, as the GMT progresses towards first light in the early 2020’s.
The post They Just Began Casting the Giant Magellan Telescope’s 5th Mirror. What a Monster Job. appeared first on Universe Today.
An unusual pit on the surface of Mars is a bit of a mystery to scientists: is it the result of an impact, or of the melting of carbon dioxide ice?
The post What Made this Mysterious Pit on Mars? Impact Crater or Natural Collapse? appeared first on Universe Today.
A presentation at the June 6th AAS meeting confirms that our galaxy is inside an enormous cosmic void, the largest one ever discovered.
The post At the Largest Scales, Our Milky Way Galaxy is in the Middle of Nowhere appeared first on Universe Today.
A new study suggests that Mars had a much larger ocean than previously thought. However, we can’t understand how the Martian climate was ever able to support such an ocean.
The post Mars Had Way More Water on its Surface Than We Thought appeared first on Universe Today.
LIGO has detected a third instance of gravitational waves. Like the previous two, this one was caused by merging black holes.
The post Third Gravitational Wave Event Detected appeared first on Universe Today.
A team of researchers questions the existence of an event horizon around black holes and wonders what it would look like when a star collides with one.
The post What Exactly Should We See When a Star Splashes into a Black Hole Event Horizon? appeared first on Universe Today.
Great progress is being made on the European Extremely Large Telescope. Construction of the dome and the main telescope was marked by the “First Stone” ceremony held at the telescope’s site in Chile.
The post Construction Begins on the Next Super Telescope appeared first on Universe Today.
Juno is starting to reveal the complexity and beauty of our Solar System’s largest planet.
The post Juno is Ready to Tell Us What it Found at Jupiter appeared first on Universe Today.
Under the right conditions, two colliding rocky bodies might form a temporary structure called a ‘synestia’. This rotating mass of partially vaporized rock would might only last a hundred years or so.
The post Scientists Propose a New Kind of Planet: A Smashed Up Torus of Hot Vaporized Rock appeared first on Universe Today.
A new BBC documentary called “The Day The Dinosaurs Died” explains how things might have been different for the dinosaurs if the asteroid that caused their extinction had hit deeper ocean.
The post Dinosaur Killing Asteroid Hit in Exactly the Wrong Place appeared first on Universe Today.