Universe Today (Page 349)

Next Generation Gravitational Wave Detectors Should be Able to see the Primordial Waves From the Big Bang

By Brian Koberlein - December 16, 2020 02:10 PM UTC | Cosmology

Underneath all the gravitational waves we see are faint primordial waves. If we can detect them, it could change our understanding of the cosmos.

Attention Astronauts. Fresh Radishes Are Now On the Menu

By Andy Tomaswick - December 16, 2020 10:00 AM UTC | Astrobiology

A second set of even larger bubbles has been found blasting out of the Milky Way's center

By Paul Sutter - December 15, 2020 05:47 PM UTC | Milky Way

A Galaxy is Making New Stars Faster Than its Black Hole Can Starve Them for Fuel

By Matthew Cimone - December 15, 2020 04:52 PM UTC | Extragalactic

Gravitational interactions can drive comets and asteroids from Jupiter out to Neptune in just 10 years

By Paul Sutter - December 15, 2020 04:44 PM UTC | Planetary Science

The RAVN-X is a new Autonomous Aircraft Designed to Launch Small Satellites

By Matthew Williams - December 15, 2020 04:38 PM UTC | Space Exploration

The latest addition to the NewSpace industry is the Aevum RAVN-X, an automonous aircraft that can air-launch satellites to Low Earth Orbit (LEO)

We're About to Find Out How Well Biomining Works in Space

By Andy Tomaswick - December 15, 2020 02:15 PM UTC | Astrobiology

You Can See the Spot Where Lava Broke Through the Wall of a Martian Crater and Began Filling it Up

By Evan Gough - December 14, 2020 05:01 PM UTC | Planetary Science

Catch an Awe-Inspiring Great Conjunction of Jupiter and Saturn on December 21st

By David Dickinson - December 14, 2020 02:13 PM UTC | Planetary Science

The solar system's two massive gas giant planets pair up at dusk on December 21st, with a rare conjunction of Jupiter and Saturn.

If We Used the Sun as a Gravitational Lens Telescope, This is What a Planet at Proxima Centauri Would Look Like

By Matthew Williams - December 13, 2020 09:39 PM UTC | Exoplanets

A recent study shows how the Sun could be used as a gravitational lens to take direct images of nearby exoplanets - like Proxima b!

SpaceShipTwo's First Powered Test Flight Since Move to New Mexico Fizzles Out

By Alan Boyle - December 12, 2020 05:49 PM UTC | Space Exploration

Is There a way to Detect Strange Quark Stars, Even Though They Look Almost Exactly Like White Dwarfs?

By Brian Koberlein - December 12, 2020 01:22 PM UTC | Stars

If quark matter stars exist, they could look like white dwarfs that are unusually small.

Comet Records From 1240 Accurately Date When a Byzantine Princess Died

By Evan Gough - December 11, 2020 06:06 PM UTC | Planetary Science

Why 2020 is a Great Year for the Geminid Meteors

By David Dickinson - December 11, 2020 10:24 AM UTC | Planetary Science

Got clear skies? Then bundle up: the Geminid meteors—one of the best, sure-fire annual meteor showers—peaks this weekend… and near a New Moon, to boot.

Black Holes Gain new Powers When They Spin Fast Enough

By Brian Koberlein - December 10, 2020 04:05 PM UTC | Black Holes

Fast spinning black holes could have features different from those predicted by general relativity.

That's no Asteroid, it's a Rocket Booster

By Matthew Williams - December 10, 2020 04:03 PM UTC | Planetary Science

Follow-up observations by NASA scientists has confirmed that the mystery object 2020 SO is indeed a relic of the early Space Age.

Weekly Space Hangout: December 9, 2020 – Casey Dreier: Are Changes Coming to NASA/US Space Policy?

By Nancy Graziano - December 10, 2020 12:59 PM UTC | Space Policy

SpaceX's SN8 Starship Soars and Belly-Flops, but Fails to Stick the Landing. Oh Well, Bring on the SN9!

By Matthew Williams - December 09, 2020 08:49 PM UTC | Space Exploration

SpaceX launched the SN8 Starship prototype early today and while it failed to stick the landing, the flight was an overall success!

Heard of Mini-Neptunes and gas-Dwarfs? Here's a new one: sub-Earths

By Brian Koberlein - December 09, 2020 07:51 PM UTC | Exoplanets

A new study suggests that planets smaller than Earth form much later than large planets, which could point to a rare Earth.

A Company is Hoping to Race Rovers on the Moon

By Andy Tomaswick - December 09, 2020 03:28 PM UTC | Space Exploration