科学与环境
Dark matter–hunting satellite Euclid reveals record number of cosmic 'magnifying glasses'
来源: Phys.org - latest science and technology news stories · 发布于
UBC researchers have helped uncover 15,000 new potential strong gravitational lenses—the largest collection of these cosmic tools that help astronomers investigate dark matter.
UBC researchers have helped uncover 15,000 new potential strong gravitational lenses—the largest collection of these cosmic tools that help astronomers investigate dark matter.
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Euclid discovers ancient cosmic beacons from the dawn of time, shining like a trillion suns
ESA’s Euclid space telescope has discovered 31 ancient quasars, including two record-breaking objects that shone with the brightness of a trillion Suns when the Universe was just 670 million years old. Powered by supermassive black holes, these extraordinary cosmic beacons reveal
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Euclid's first data release: A stepping stone to its 3D map of the sky
The ESA's Euclid has already teased us with some early results. In the past, it's given us a small image covering 60 square degrees of the sky, created with a few days of observations. Those images showed individual targets from the Horsehead Nebula to the Perseus cluster of gala
Phys.org - latest science and technology news stories ·
Dark energy may have flipped from negative to positive 9.5 billion years ago
A mysterious force driving the expansion of the Universe may have undergone a dramatic reversal billions of years ago. Scientists exploring an overlooked branch of an alternative gravity theory discovered that dark energy could have switched from negative to positive roughly 9.5
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Matter–antimatter asymmetry still provides no evidence of new physics
The universe's dominance by ordinary matter is compelling evidence that matter and antimatter are not perfect reflections of each other. However, known differences do not explain the scale of this imbalance, leaving open the possibility that unknown physics is responsible. A new
Phys.org - latest science and technology news stories ·
Space telescope Euclid sets the new standard for cosmology
On July 1, 2023, the European Space Agency (ESA) launched the Euclid space telescope into space. Its mission: to create the largest and most detailed map of the universe ever made.
Phys.org - latest science and technology news stories ·