astrophysics

First country has approved participation in constructing the largest telescope the world has ever known

First country has approved participation in constructing the largest telescope the world has ever known

The Dutch parlement has been the first to formally confirm participation in the assembly of the largest radio telescope the world has has ever known. The massive telescope might give us another opportunity to find out if we are alone in the universe!

The Milky Way’s Black Hole Just Flared, Growing 75 Times as Bright for a Few Hours!

The Milky Way’s Black Hole Just Flared, Growing 75 Times as Bright for a Few Hours!

Even though the black hole at the center of the Milky Way is a monster, it’s still rather quiet. Called Sagittarius A*, it’s about 4.6 million times more massive than our Sun. Usually, it’s a brooding behemoth. But scientists observing Sgr. A* with the Keck Telescope just watched as its brightness bloomed to over 75 times normal for a few hours.

Traces of One of the Oldest Stars in the Universe Found Inside Another Star!

Traces of One of the Oldest Stars in the Universe Found Inside Another Star!

Despite all we know about the formation and evolution of the Universe, the very early days are still kind of mysterious. With our knowledge of physics we can shed some light on the nature of the earliest stars, even though they’re almost certainly long gone.

Astronomers Uncover Dozens of Previously Unknown Ancient and Massive Galaxies

Astronomers Uncover Dozens of Previously Unknown Ancient and Massive Galaxies

For decades, astronomers have been trying to see as far as they can into the deep Universe. By observing the cosmos as it was shortly after the Big Bang, astrophysicists and cosmologists hope to learn all they can about the early formation of the Universe and its subsequent evolution. Thanks to instruments like the Hubble Space Telescope, astronomers have been able to see parts of the Universe that were previously inaccessible.

Virtual 'Universe Machine' Sheds Light on Galaxy Evolution

Virtual 'Universe Machine' Sheds Light on Galaxy Evolution

By creating millions of virtual universes and comparing them to observations of actual galaxies, a University of Arizona-led research team has made discoveries that present a powerful new approach for studying galaxy formation.

Kepler’s forgotten ideas about symmetry help explain spiral galaxies without the need for dark matter – new research

Kepler’s forgotten ideas about symmetry help explain spiral galaxies without the need for dark matter – new research

The 17th-century astronomer Johannes Kepler was the first to muse about the structure of snowflakes. Why are they so symmetrical? How does one side know how long the opposite side has grown? Kepler thought it was all down to what we would now call a “morphogenic field” – that things want to have the form they have. Science has since discounted this idea. But the question of why snowflakes and similar structures are so symmetrical is nevertheless not entirely understood.

Hubble is the Ultimate Multitasker: Discovering Asteroids While it’s Doing Other Observations

Hubble is the Ultimate Multitasker: Discovering Asteroids While it’s Doing Other Observations

It looks like a poster of the famous Hubble Deep Field, marked with white streaks by a child, or put away carelessly and scratched in the process. But it’s not. The white streaks aren’t accidents; they’re the paths of asteroids.

Hubble Finds Tiny “Electric Soccer Balls” in Space, Helps Solve Interstellar Mystery

Hubble Finds Tiny “Electric Soccer Balls” in Space, Helps Solve Interstellar Mystery

Scientists using NASA’s Hubble Space Telescope have confirmed the presence of electrically-charged molecules in space shaped like soccer balls, shedding light on the mysterious contents of the interstellar medium (ISM) – the gas and dust that fills interstellar space.

There’s a Ring of Cool Gas Wrapped Around the Milky Way’s Supermassive Black Hole

There’s a Ring of Cool Gas Wrapped Around the Milky Way’s Supermassive Black Hole

There’s a lot going on at the center of our galaxy. A supermassive black hole named Sagittarius A-Star resides there, drawing material in with its inexorable gravitational attraction. In that mind-bending neighborhood, where the laws of physics are stretched beyond comprehension, astronomers have detected a ring of cool gas.

Astronomers See an Enormous Coronal Mass Ejection… On Another Star!

Astronomers See an Enormous Coronal Mass Ejection… On Another Star!

For the first time ever, astronomers have witnessed a coronal mass ejection (CME) on a star other than our very own Sun. The star, named HR 9024 (and also known as OU Andromeda,) is about 455 light years away, in the constellation Andromeda. It’s an active, variable star with a strong magnetic field, which astronomers say may cause CMEs.

New Clues About How Ancient Galaxies Lit up the Universe

New Clues About How Ancient Galaxies Lit up the Universe

NASA's Spitzer Space Telescope has revealed that some of the universe's earliest galaxies were brighter than expected. The excess light is a byproduct of the galaxies releasing incredibly high amounts of ionizing radiation. The finding offers clues to the cause of the Epoch of Reionization, a major cosmic event that transformed the universe from being mostly opaque to the brilliant starscape seen today.