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01/23/2019 12:35 PM
A Disc of Icy Material, not Planet 9, Might Explain the Strange Movements in the Outer Solar System

Is there or isn’t there a Planet 9? Is there a planet way out on the outskirts of our Solar System, with sufficient mass to explain the movements of distant objects? Or is a disc of icy material responsible? There’s no direct evidence yet of an actual Planet 9, but something with sufficient mass is …

The post A Disc of Icy Material, not Planet 9, Might Explain the Strange Movements in the Outer Solar System appeared first on Universe Today.



01/23/2019 09:40 AM
Amazing Images From Sunday’s Total Lunar Eclipse as Observers Spy Impact Flash

Wow. Sunday night’s total lunar eclipse offered an amazing view, and for a few astute observers, a little surprise. The only total lunar eclipse for 2019 was an amazing spectacle for the Americas late Sunday night on January 20th and early Monday morning on January 21st for Africa and Europe. Like millions of other observers, …

The post Amazing Images From Sunday’s Total Lunar Eclipse as Observers Spy Impact Flash appeared first on Universe Today.



01/22/2019 03:40 PM
Planetary Scientists Continue to Puzzle Over the Mysterious Slope Streaks on Mars. Liquid? Sand? What’s Causing Them?

New research indicates what could be causing those mysterious slope streaks on Mars, using an Earth analog.

The post Planetary Scientists Continue to Puzzle Over the Mysterious Slope Streaks on Mars. Liquid? Sand? What’s Causing Them? appeared first on Universe Today.



01/22/2019 02:52 PM
Saturn’s Rings are Only 10 to 100 Million Years Old

Can you imagine the Solar System without Saturn’s rings? Can you envision Earth at the time the dinosaurs roamed the planet? According to a new paper, the two may have coincided. Data from the Cassini mission shows that Saturn’s rings may be only 10 to 100 million years old. They may not have been there …

The post Saturn’s Rings are Only 10 to 100 Million Years Old appeared first on Universe Today.



01/21/2019 02:41 PM
Carnival of Space #595

This week’s Carnival of Space is hosted by Brian Wang at his Next Big Future blog. Click here to read Carnival of Space #595 And if you’re interested in looking back, here’s an archive to all the past Carnivals of Space. If you’ve got a space-related blog, you should really join the carnival. Just email an entry …

The post Carnival of Space #595 appeared first on Universe Today.



01/21/2019 02:25 PM
Astronomy Cast Ep. 514: Planetary Protection Protocols

As we send rovers and landers to other worlds, we have to think about the tiny microbial astronauts we’re sending along with us. In fact, NASA is so concerned about infecting other worlds that it has established the planetary protection protocols. Just to be safe. We usually record Astronomy Cast every Friday at 3:00 pm …

The post Astronomy Cast Ep. 514: Planetary Protection Protocols appeared first on Universe Today.



01/21/2019 01:00 PM
Messier 77 – the Cetus A Barred Spiral Galaxy

Located 47 million light years from Earth in the Cetus constellation is the barred spiral galaxy known as Messier 77.

The post Messier 77 – the Cetus A Barred Spiral Galaxy appeared first on Universe Today.



01/21/2019 12:33 PM
Steam-Powered Spacecraft Could Explore the Asteroid Belt Forever, Refueling Itself in Space

A partnership between Honeybee Robotics and the University of Central Florida has produced the first steam-powered spacecraft for asteroid mining.

The post Steam-Powered Spacecraft Could Explore the Asteroid Belt Forever, Refueling Itself in Space appeared first on Universe Today.



01/18/2019 10:23 PM
Geothermal Heating Could Make Life Possible on the Super Earth Planet at Barnard’s Star

In 2018, scientists announced the discovery of a extrasolar planet orbiting Barnard’s star, an M-type (red dwarf) that is just 6 light years away. Using the Radial Velocity method, the research team responsible for the discovery determined that this exoplanet (Barnard’s Star b) was at least 3.2 times as massive as Earth and experienced average …

The post Geothermal Heating Could Make Life Possible on the Super Earth Planet at Barnard’s Star appeared first on Universe Today.



01/18/2019 02:33 PM
Seeding the Milky Way with Life Using Genesis Missions

Claudius Gros, the founder of Project Genesis, makes the case that when it comes to extrasolar planets, the rules of planetary protection need not apply.

The post Seeding the Milky Way with Life Using Genesis Missions appeared first on Universe Today.




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