Quiet Black Holes With a Stellar Companion Raise Questions About How They Form
Reported by Universe Today
Gaia has discovered three stellar mass black holes, each with a small stellar companion. For two of these systems the companions orbit closer that we would expect. Just how these systems form is a bit of a mysteries, but there are clues....
- By: Brian Koberlein (https://www.universetoday.com/authors/brian)
- On: Mon, 07 Sep 2026 16:03 +0000
APOD: 2026 September 7 – The Pelican Nebula in Gas, Dust, and Stars
Reported by NASA
APOD Science APOD APOD: 2026 September 7 – The… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating u...
- By: NASA
- On: Mon, 07 Sep 2026 04:05 +0000
A Bright Spot at Mount Michael
Reported by NASA
With austral winter nearing its end, clouds cleared for a satellite view of volcanic activity in the remote South Atlantic....
- By: NASA
- On: Mon, 07 Sep 2026 04:01 +0000
Astronomers Hear the Faint Whispers of Cosmic Hydrogen from the Distant Past.
Reported by Universe Today
Astronomers have directly detected an extremely faint radio signal from hydrogen gas billions of light years away, demonstrating a powerful new way to map the Universe....
- By: Matthew Williams (https://www.universetoday.com/authors/houseofwilliams)
- On: Sun, 06 Sep 2026 21:03 +0000
A Pair of White Dwarfs Locked in a Six-Minute Orbit Might One Day Be Observed By Gravitational Waves
Reported by Universe Today
Future gravitational wave observatories will be able to see the gravitational waves of close-orbiting binary stars. A newly studied white dwarf system could be one of the first systems we observe....
- By: Brian Koberlein (https://www.universetoday.com/authors/brian)
- On: Sun, 06 Sep 2026 15:30 +0000
Snapping the Sun's Grand Magnetic Border at 0.3 AU
Reported by Universe Today
Out in the solar system, there is a giant rippling curtain of charged particles that is actually the largest structure in our solar system. Known as the Heliospheric Current Sheet (HCS), it marks the spot where the sun flips its magnetic north and south po...
- By: Andy Tomaswick (https://www.universetoday.com/authors/andy-tomaswick)
- On: Sun, 06 Sep 2026 13:26 +0000