quasars | Universe Today


Some Quasars Shine With the Light of Over a Trillion Stars

Quasars are some of the brightest objects in the Universe. The brightest ones are so luminous they outshine a trillion…

2 months ago

Uh oh, a Recent Study Suggests that Dark Energy’s Strength is Increasing

Staring into the Darkness The expansion of our universe is accelerating. Every single day, the distances between galaxies grows ever…

11 months ago

Quasars with a Double-Image Gravitational Lens Could Help Finally Figure out how Fast the Universe is Expanding

How fast is the Universe expanding? That's a question that astronomers haven't been able to answer accurately. They have a…

11 months ago

The Universe’s Missing Matter. Found!

Thanks to a recent study by an international team of scientists, the remaining missing normal matter of the Universe may…

1 year ago

Weekly Space Hangout – Jan 17, 2018: Dr. Bram Venemans and Distant Quasars

Hosts: Fraser Cain (universetoday.com / @fcain) Dr. Paul M. Sutter (pmsutter.com / @PaulMattSutter) Dr. Kimberly Cartier (KimberlyCartier.org / @AstroKimCartier )…

2 years ago

Supermassive Black Holes or Their Galaxies? Which Came First?

It’s a mystery that’s puzzled astronomers for years. Which came first, supermassive black holes or the galaxies that surround them?

2 years ago

Weekly Space Hangout – Mar. 18, 2016: Song of the Stars

Host: Fraser Cain (@fcain) Guests: Paul M. Sutter (pmsutter.com / @PaulMattSutter) Paul, one of our WSH regular panelists, will be…

4 years ago

Peer Into the Distant Universe: How to See Quasars With Backyard Telescopes

“How far can you see with that thing?” It’s a common question overhead at many public star parties in reference…

5 years ago

Winds of Supermassive Black Holes Can Shape Galaxy-Wide Star Formation

The combined observations from two generations of X-Ray space telescopes have now revealed a more complete picture of the nature of…

5 years ago

What is Gravitational Lensing?

Gravity's a funny thing. Not only does it tug away at you, me, planets, moons and stars, but it can…

5 years ago