Universe Today (Page 366)

Evidence is Building that the Standard Model of the Expansion of the Universe Needs some new Ideas

By Brian Koberlein - June 15, 2020 12:31 PM UTC | Cosmology

Astronomers have measured the Hubble constant using astrophysical masers, and the result makes our understanding of cosmic expansion even worse.

New Horizons is so Far From Earth That the Positions of the Stars Look a Little Different From its Perspective

By Matthew Williams - June 14, 2020 01:23 PM UTC | Missions

From its current position in the Kuiper Belt, the New Horizons spacecraft recently conducted a parallax experiment that is not only groundbreaking, but historic!

A 2nd Planet has been Confirmed for Proxima Centauri

By Evan Gough - June 12, 2020 07:19 PM UTC | Exoplanets

How SpaceX is Changing Starship to be Able to Land on the Moon

By Matthew Williams - June 12, 2020 05:48 PM UTC | Space Exploration

Elon Musk recently revealed more details about the HLS Starship, which could be taking astronauts back to the Moon.

This is a Binary Star in the Process of Formation

By Evan Gough - June 12, 2020 04:03 PM UTC | Stars

Ideas for Sustainable Cities and Urban Farming... on Mars?

By Matthew Williams - June 12, 2020 02:52 PM UTC | Space Exploration

The annual Mars City Design Challenge is looking for new and innovative ideas for how humans could live sustainably on Mars.

Early Life Was Pumping Out Oxygen, But the Earth's Mantle Was Absorbing it

By Evan Gough - June 12, 2020 11:52 AM UTC | Planetary Science

Once Starship Prototypes are Done Exploding, we could see an Orbital Launch this Year

By Matthew Williams - June 11, 2020 06:38 PM UTC | Space Exploration

According to a leaked internal email, SpaceX is all-in on the development of the Starship, which the company's chief engineer says could make an orbital flight before the end of the year.

Titan is Drifting Away from Saturn Surprisingly Quickly

By Evan Gough - June 11, 2020 05:33 PM UTC | Planetary Science

Neutron Stars Could Have a Layer of Exotic Quark Matter Inside Them

By Brian Koberlein - June 11, 2020 03:26 PM UTC | Stars

Deep inside a neutron star, neutrons are packed so tightly that they can break apart into quarks. As a result neutron stars likely have a quark core.

It Should Be Easiest to Search for Young Earth-like Planets When They're Completely Covered in Magma

By Evan Gough - June 11, 2020 01:06 PM UTC | Exoplanets

Hubble Photo of Globular Cluster NGC 6441, One of the Most Massive in the Milky Way

By Evan Gough - June 09, 2020 10:28 PM UTC | Milky Way

Astronomers Have Found the Star/Exoplanet Combo That's the Best Twin to the Sun/Earth

By Evan Gough - June 09, 2020 06:00 PM UTC | Exoplanets

Is the Concept of a Habitable Zone Too Wide?

By Brian Koberlein - June 09, 2020 05:53 PM UTC | Exoplanets

Exoplanets are often considered potentially habitable if they could have liquid water. But the necessities of biology set the habitability bar a bit higher.

Rocks on Bennu are Cracking Because of the Constant Day/Night Cycling

By Nancy Atkinson - June 09, 2020 05:35 PM UTC | Planetary Science

At the Heart of the Milky Way, Stars Come Close to Each Other All the Time

By Matthew Williams - June 08, 2020 10:03 PM UTC | Milky Way

A new study provides new estimates on how often stars near the center of our galaxy experience "close encounters," which could have serious implications for habitability studies.