The center of our galaxy is a frenzy of activity. A behemoth black hole—4 million times as massive as the sun—blasts out energy as it chows down on interstellar detritus while neighboring stars burst to life and subsequently ...
Astronomy
Mar 20, 2019
48
779
In the nearby Whirlpool galaxy and its companion galaxy, M51b, two supermassive black holes heat up and devour surrounding material. These two monsters should be the most luminous X-ray sources in sight, but a new study using ...
Astronomy
Feb 20, 2019
5
260
In the wake of Australia sweltering through its hottest two months on record – December and January –University of South Australia academics are calling for urgent changes to the country's building codes.
Energy & Green Tech
Feb 6, 2019
0
10
During the formation of a black hole, a bright burst of very energetic light in the form of gamma rays is produced, these events are called gamma ray bursts. The physics behind this phenomenon includes many of the least understood ...
Astronomy
Jan 14, 2019
4
164
Our sun and billions of stars just like it are headed for a strange, cold destiny.
Astronomy
Jan 14, 2019
0
74
A brief and unusual flash spotted in the night sky on June 16, 2018, puzzled astronomers and astrophysicists across the globe. The event—called AT2018cow and nicknamed "the Cow" after the coincidental final letters in its ...
Astronomy
Jan 11, 2019
0
327
Apparently not all supernovas work. And when they fail, they leave behind a half-chewed remnant, still burning from leftover heat but otherwise lifeless: a zombie star. Astronomers aren't sure how many of these should-be-dead ...
Astronomy
Jan 2, 2019
0
20
We need to talk about the dark ages. No, not those dark ages after the fall of the western Roman Empire. The cosmological dark ages. The time in our universe, billions of years ago, before the formation of the first stars. ...
Astronomy
Nov 29, 2018
3
193
Using the Next Generation Transit Survey (NGTS), astronomers have identified an energetic flare displaying quasi-periodic pulsations on the pre-main sequence M star NGTS J121939.5-355557. The newly detected flare is one of ...
Imagine if the color camera had never been invented and all our images were in black and white. The world would still look beautiful, but incomplete. For thousands of years, that was how humans saw the universe. On Earth, ...
Astronomy
Aug 21, 2018
0
15
