Press Release

2019

Storms on Jupiter Seen by Multi-Wavelength Observations
Storms on Jupiter Seen by Multi-Wavelength Observations August 23, 2019

Astronomers using the Subaru Telescope contributed to coordinated observations of the planet in January 2017, joining observers using ground-based and space telescopes in tracking the effects of these storms - visible as bright plumes above the planet's main ammonia ice cloud deck over which they appear.

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Einstein's General Relativity Theory Is Questioned But Still Stands 'For Now,' Team Reports
Einstein's General Relativity Theory Is Questioned But Still Stands 'For Now,' Team Reports July 25, 2019

Observations using the Infrared Camera and Spectrograph (IRCS) mounted on the Subaru Telescope contributed to a test of Albert Einstein's theory of general relativity around a supermassive black hole by measuring the motion of the Galactic center star S0-2 precisely.

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Subaru Telescope Identifies the Outermost Edge of our Milky Way System
Subaru Telescope Identifies the Outermost Edge of our Milky Way System June 21, 2019

A team of researchers identified the outermost edge of the Milky Way Galaxy. Using the Subaru Telescope, the researchers examined the boundary of the stellar system that makes up our Galaxy. The ultimate size of our Galaxy is 520,000 light years in radius, 20 times larger than the distance between the Galactic Center and our solar system.

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Subaru Telescope Captures 1800 Exploding Stars
Subaru Telescope Captures 1800 Exploding Stars May 29, 2019

Astronomers using the Subaru Telescope identified about 1800 new supernovae in the distant Universe, including 58 Type Ia supernovae over 8 billion light-years away. These findings will help elucidate the expansion of the Universe.

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Star Formation in Young Galaxies Not Affected by Environment
Star Formation in Young Galaxies Not Affected by Environment May 20, 2019

A team of astronomers used the Subaru Telescope to observe a proto-cluster of galaxies in the early Universe and found that the galaxies in it are forming stars in the same manner as isolated galaxies in the same era. This suggests that the galactic environment does not have a large influence on star formation in young galaxies.

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Subaru Telescope Sheds New Light on an Obscured Infant Solar System
Subaru Telescope Sheds New Light on an Obscured Infant Solar System May 13, 2019

A new cutting-edge planet-imaging system on the Subaru Telescope on Maunakea has now provided a first-ever direct, sharp look at a distant planetary system long thought to resemble the early solar system.

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Star with Strange Chemistry is from Out of Town
Star with Strange Chemistry is from Out of Town April 29, 2019

Using the High Dispersion Spectrograph on the Subaru Telescope, astronomers have discovered a star in the Milky Way Galaxy with a chemical composition unlike any other star in our Galaxy. This chemical composition has been seen in a small number of stars in dwarf galaxies orbiting the Milky Way. This suggests that the star was part of a dwarf galaxy that merged into the Milky Way.

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Jupiter's Atmosphere Heats Up Under Solar Wind
Jupiter's Atmosphere Heats Up Under Solar Wind April 9, 2019

Subaru Telescope's observations show auroras at Jupiter's poles are heating the planet's atmosphere more deeply than previously thought – and its near-immediate response to solar winds. Within a day of solar winds hitting Jupiter, the chemistry in its atmosphere changed and its temperature rose, scientists found.

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Subaru Telescope Helps Determine that Dark Matter is not Made Up of Tiny Primordial Black Holes
Subaru Telescope Helps Determine that Dark Matter is not Made Up of Tiny Primordial Black Holes April 1, 2019

An international team of researchers has put a theory speculated by the late Stephen Hawking to its most rigorous test to date, and their results based on the observations using the Subaru Telescope have ruled out the possibility that primordial black holes smaller than a tenth of a millimeter make up most of dark matter.

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Astronomers Discover 83 Supermassive Black Holes in the Early Universe
Astronomers Discover 83 Supermassive Black Holes in the Early Universe March 13, 2019

A team of astronomers has discovered 83 quasars powered by supermassive black holes (SMBHs) in the distant universe, from an epoch when the universe was less than 10 percent of its present age. This finding was made by using the wide-field camera Hyper Suprime-Cam (HSC) mounted on the Subaru Telescope.

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