Space

Hubble and Gaia accurately weigh the Milky Way | ESA/Hubble Information Center

This artist's impression shows a computer-generated model of the Milky Way and the accurate positions of the globular clusters used in this study surrounding it. Credit: ESA/Hubble, NASA, L. Calçada March 7, 2019 (Phys.org) -- In a striking example of multi-mission astronomy, measurements from the NASA/ESA Hubble Space Telescope and the ESA Gaia mission have been combined to improve the estimate ...

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Methane in the atmosphere is surging, and that's got scientists worried | Julia Rosen

Photo of landfill burnoff flare. Credit: Eddie Hagler/Public Domain March 4, 2019 (Phys.org) -- Scientists love a good mystery. But it's more fun when the future of humanity isn't at stake. This enig ...

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A break from the buzz—bees go silent during total solar eclipse | Candace Galen

A study conducted during the 2017 total solar eclipse in North America found that bees remained active during the partial-eclipse phases both before and after the period of totality, but they essenti ...

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The early universe was a fluid quark-gluon plasma | You Zhou

Fig. 1 An event from the first Xenon-Xenon collision at the Large Hadron Collider at the top energy of the Large Hadron Collider (5.44 TeV ) registered by ALICE . Every colored track (The blue lines) ...

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New extremely distant solar system object found during hunt for Planet X | Scott Sheppard, Chad Trujillo and David Tholen

The orbits of the new extreme dwarf planet 2015 TG387 and its fellow Inner Oort Cloud objects 2012 VP113 and Sedna as compared with the rest of the Solar System. 2015 TG387 was nicknamed 'The Goblin' ...

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Astronomers detect synchronous X-ray and radio mode switching of the pulsar PSR B0823+26 | Tomasz Nowakowski

GMRT observation at 325 MHz of PSR B0823+26 on 2017 April 20, showing as a typical example PSR B0823+26 in B mode during 2500 single-pulse sequences, or ∼ 22 minutes of the total duration of ∼ 7.5 ho ...

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Study finds flaw in emergent gravity | Lisa Zyga

Illustration of a three-dimensional hypersurface. Credit: Wang and Braunstein. Published in Nature Communications Aug. 10, 2018 (Phys.org) -- A new paper undermines a key assumption of the theory of ...

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NASA prepares to launch Parker Solar Probe, a mission to touch the Sun | Sarah Frazier

Parker Solar Probe will explore the corona, a region of the Sun only seen from Earth when the Moon blocks out the Sun's bright face during total solar eclipses. The corona holds the answers to many o ...

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Did a rogue star change the makeup of our solar system? | Bob Yirka

Effect of a prograde, parabolic fly-by of a star with a) M=0.5 M, b) M2= 1, Mand c) M2= 5 M that is inclined by 60 degrees and has an angle of periastron equal zero. The perihelion distance is alwa ...

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Speculative wormhole echoes could revolutionize astrophysics | Pablo Bueno and Pablo A. Cano

Instant of a simulation in which two black holes merge. The collision of two rotating wormholes would trigger a similar deformation of space-time, leaving 'echoes' in the signal. Credit: LIGO LabCalt ...

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How a particle may stand still in rotating spacetime | Lisa Zyga

When a particle with a certain angular momentum is located at the critical distance rst, it remains at rest while the spacetime is rotating around it. The closer a particle is to this critical distan ...

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Hubble and Gaia accurately weigh the Milky Way | ESA/Hubble Information Center

Methane in the atmosphere is surging, and that's got scientists worried | Julia Rosen

A break from the buzz—bees go silent during total solar eclipse | Candace Galen

The early universe was a fluid quark-gluon plasma | You Zhou

New extremely distant solar system object found during hunt for Planet X | Scott Sheppard, Chad Trujillo and David Tholen

Astronomers detect synchronous X-ray and radio mode switching of the pulsar PSR B0823+26 | Tomasz Nowakowski

Study finds flaw in emergent gravity | Lisa Zyga

NASA prepares to launch Parker Solar Probe, a mission to touch the Sun | Sarah Frazier

Did a rogue star change the makeup of our solar system? | Bob Yirka

Speculative wormhole echoes could revolutionize astrophysics | Pablo Bueno and Pablo A. Cano

How a particle may stand still in rotating spacetime | Lisa Zyga

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