Search results for Oort cloud

Astronomy Sep 11, 2020

Could there be a form of life inside stars?

Are we alone in the universe?

Astronomy Sep 08, 2020

Okay, new idea: 'Oumuamua is an interstellar 'dust bunny'

Explaining the concept of a dust bunny to small children can be quite amusing. No, it's not actually alive. It's moving around because of really small currents of wind that we can't even see. It's mainly formed out of dead ...

Astronomy Aug 21, 2020

Apertif images yield first scientific results

Using Apertif (APERture Tile In Focus), searching at a radio frequency of 1.4 GHz, researchers have found an intra-hour variable (IHV) source, described in the paper "Extreme intra-hour variability of the radio source J1402+5347 ...

Astronomy Aug 18, 2020

The sun may have started its life with a binary companion

A new theory published today in the Astrophysical Journal Letters by scientists from Harvard University suggests that the sun may once have had a binary companion of similar mass. If confirmed, the presence of an early stellar ...

Astronomy Jul 10, 2020

Scientists propose plan to determine if Planet Nine is a primordial black hole

Scientists at Harvard University and the Black Hole Initiative (BHI) have developed a new method to find black holes in the outer solar system, and along with it, determine once-and-for-all the true nature of the hypothesized ...

Astronomy Jun 09, 2020

At the heart of the Milky Way, stars draw closer, threatening planets in their orbit

At the center of our galaxy resides the galactic bulge, a densely packed region of stars, dust and gas. Within this massive structure, which spans thousands of light-years, there are an estimated 10 billion stars, most of ...

Astronomy Apr 13, 2020

New formation theory explains the mysterious interstellar object 'Oumuamua

Since its discovery in 2017, an air of mystery has surrounded the first known interstellar object to visit our solar system, an elongated, cigar-shaped body named 'Oumuamua (Hawaiian for "a messenger from afar arriving first").

Astronomy Jan 17, 2020

Here and gone: Outbound comets are likely of extra-solar origin

Astronomers at the National Astronomical Observatory of Japan (NAOJ) have analyzed the paths of two objects heading out of the Solar System forever and determined that they also most likely originated from outside of the ...

Space Exploration Dec 20, 2019

Capturing alien comets: Simulating rogue bodies on their journey through the solar system

There should be interstellar comets hiding in our solar system after making a journey of many light-years. Maybe we have already seen one but believed it was a "normal" comet formed in the solar system, according to Tom Hands, ...

Space Exploration Oct 16, 2019

Hubble Telescope zooms in on interstellar visitor

The Hubble Space Telescope has captured the best pictures yet of our newest interstellar visitor.

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