BROWN dwarfs are hard to spot, but a Japanese PhD student has found the
largest collection ever seen, in the constellation Cygnus about 2000 light years
from Earth. With less than 0.08 times the Sun’s mass, brown dwarfs are too small
and cold to sustain nuclear fusion in their cores, so they grow steadily dimmer.
The Hubble Space Telescope spotted dozens in the Orion Nebula last year, but now
Yumiko Oasa of the University of Tokyo has counted hundreds more in an image
taken by the Subaru Telescope of a gas cloud surrounding a 100,000-year-old
supergiant star.
To continue reading, today with our introductory offers
Advertisement
More from New ÒÁÈ˾þÃ
Explore the latest news, articles and features
Space
We may have finally solved cosmology's chicken-or-the-egg problem
Comment
Mind
The relationship recession is even bigger for Gen Z than we thought
News
Technology
Killer robots are here – we must finally decide whether to accept them
Leader
Technology
Quantum computer quickly mines cryptocurrency while using less energy
News
Popular articles
Trending New ÒÁÈ˾þà articles
1
Fully autonomous drones have killed human soldiers for the first time
2
The relationship recession is even bigger for Gen Z than we thought
3
Wolves seen hunting European bison in rare camera-trap recording
4
What is a ‘normal’ memory slowdown, and when should I worry?
5
How to sparkle in conversation with strangers
6
Understanding anorexia’s grip on the brain could unlock new therapies
7
Vaping after quitting smoking is linked to lung cancer
8
How a radical new view of life could reveal its origin – and aliens
9
Mysterious ‘cold blob’ in the Atlantic suggests the AMOC is weakening
10
Hearing loss is bad for the whole body – but new treatments are coming
