Space news stories

Study of meteorites suggests Earth’s composition was changed by collisional erosion
2nd October 2022 phys.org | Ancient, Earth, Space

A team of researchers from Université Clermont Auvergne, working with a colleague from Universität Bayreuth, has found evidence that suggests the Earth’s composition changed over time during its early years via collisional erosion.

Milky Way’s graveyard of dead stars found
30th September 2022 phys.org | Ancient, Space

The first map of the “galactic underworld”—a chart of the corpses of once massive suns that have since collapsed into black holes and neutron stars—has revealed a graveyard that stretches three times the height of the Milky Way, and that almost a third of the objects have been flung out from the galaxy altogether.

The Milky Way is ‘rippling’ like a pond, and scientists may finally know why
27th September 2022 | livescience.com | Ancient, Space

Imagine the Milky Way’s 100 billion stars as a flat, tranquil pool of water. Now, picture someone dropping a stone the size of 400 million suns into that water. The tranquility is shattered. Wave after wave of energy ripples across the galaxy’s surface, jostling and bouncing its stars in a chaotic dance that takes eons to calm.

Dimorphos: Nasa flies spacecraft into asteroid in direct hit
27th September 2022 | bbc.co.uk | Humans, Space, Tech

The American space agency’s Dart probe has smashed into an asteroid, destroying itself in the process. The collision was intentional and designed to test whether space rocks that might threaten Earth could be nudged safely out of the way.

Water found in asteroid dust may offer clues to origins of life on Earth
26th September 2022 | theguardian.com | Humans, Space, Tech

The findings are in the latest research to be published from analysis of 5.4 grammes of stones and dust that the Hayabusa-2 probe gathered from the asteroid Ryugu.

A NASA Spacecraft Will Collide With an Asteroid on Monday. Watch Live Here
26th September 2022 | sciencealert.com | Humans, Space, Tech

On September 26 at 11.15 pm UTC, NASA’s DART mission (Double Asteroid Redirection Test) will be the first to deliberately and measurably change the motion of a significant body in our Solar System.

Ringed Neptune captured by James Webb telescope
22nd September 2022 | bbc.co.uk | Humans, Space, Tech

The recently launched super space telescope James Webb has returned spectacular new imagery of Neptune.

Saturn’s rings and tilt could be the product of an ancient, missing moon
16th September 2022 phys.org | Ancient, Space

Swirling around the planet’s equator, the rings of Saturn are a dead giveaway that the planet is spinning at a tilt.

How many meteorites hit Earth every year?
29th August 2022 | livescience.com | Earth, Humans, Space

Every year, millions of rocky shards from outer space burn up in Earth’s atmosphere, many briefly flaring and appearing in the sky as “shooting stars.” But how many survive their high-speed plunges to strike the ground?

Webb telescope zooms in on planet beyond our solar system
26th August 2022 | theguardian.com | Humans, Space, Tech

The world’s most powerful telescope has made its first observations of a planet beyond our solar system, heralding a new era of astronomy in which distant worlds can be scanned for signs of life.

Space telescope reveals ‘incredible’ Jupiter views
23rd August 2022 | bbc.co.uk | Humans, Space, Tech

The world’s largest and most powerful space telescope has revealed unprecedented views of Jupiter.

Asteroid Ryugu Reveals Ancient Grains of Stardust Older Than The Solar System
20th August 2022 | sciencealert.com | Ancient, Space

Tiny fragments of rock brought back from an asteroid in near-Earth solar orbit are so old, they predate the Solar System.

Ancient asteroids are covered with popcorning pebbles, new study finds
16th August 2022 | livescience.com | Ancient, Space, Tech

A new study of a meteorite that landed on Earth reveals how this asteroid activity occurs. Small collisions can dislodge the pebbles, which shoot off the asteroid but fall back, drawn in by the space rock’s gravitational pull.

Get a garden chair out and enjoy the meteor shower
8th August 2022 | theguardian.com | Humans, Space

The annual Perseids shower lasts more than a month, but will peak this week.

New device will investigate Milky Way’s origins
2nd August 2022 | bbc.co.uk | Humans, Space, Tech

Scientists have supercharged one of Earth’s most powerful telescopes with new technology that will reveal how our galaxy formed in unprecedented detail.

 

Will time run backwards if the Universe collapses?
28th July 2022 bigthink.com | Humans, Space, Weird

In our Universe, time has been progressing forward, for all observers, ever since the inception of the hot Big Bang. There are a few “arrows of time” that coincide with this, including that the Universe has been expanding and, thermodynamically, that entropy has been increasing. If the Universe instead were to contract and collapse, could that lead to time running backwards?

News stories covering Space, from the macro to the micro, including Space exploration, quantum physics and quantum weirdness.