3 knowns and 3 unknowns about dark matter
What's known:
General Physics
Jun 8, 2016
9
89
News tagged with effective mass
New Earth-sized exoplanet detected in the solar neighborhood
Using NASA's Kepler spacecraft and Transiting Exoplanet Survey Satellite (TESS), astronomers have discovered a new Earth-sized exoplanet located about 70 light years away from the sun. The newfound exoworld, designated K2-415b, ...
Gyroscope's unexplained acceleration may be due to modified inertia
(PhysOrg.com) -- When a spinning laser gyroscope is placed near a super-cooled rotating ring, the gyroscope accelerates a bit in the same direction as the ring, and scientists aren’t sure why. The anomalous acceleration ...
New NASA visualization probes the light-bending dance of binary black holes
A pair of orbiting black holes millions of times the Sun's mass perform a hypnotic pas de deux in a new NASA visualization. The movie traces how the black holes distort and redirect light emanating from the maelstrom of hot ...
Astronomy
Apr 15, 2021
3
14451
Sea star death triggers ecological domino effect
A new study by SFU marine ecologists Jessica Schultz, Ryan Cloutier and Isabelle Côté reveals that the mass mortality of sea stars has resulted in a domino effect on Howe Sound marine ecology.
Ecology
Jun 23, 2016
0
160
New evidence suggests volcanoes caused biggest mass extinction ever
Researchers say mercury buried in ancient rock provides the strongest evidence yet that volcanoes caused the biggest mass extinction in the history of the Earth.
Earth Sciences
Apr 15, 2019
9
413
TESS discovers a Venus-sized exoplanet orbiting nearby star
Using NASA's Transiting Exoplanet Survey Satellite (TESS), a team of astronomers from Harvard-Smithsonian Center for Astrophysics (CfA) in Cambridge, Massachusetts, and elsewhere has detected a new exoplanet. The newfound ...
How to think about a four-dimensional universe
In Einstein's famous theory of relativity the concepts of immutable space and time aren't just put aside, they're explicitly and emphatically rejected. Space and time are now woven into a coexisting fabric. That is to say, ...
General Physics
Nov 13, 2023
14
104
Clarifying effects of negative mass
A FLEET study led by University of Queensland's David Colas clarifies recent studies of negative mass, investigating the strange phenomenon of self-interference.
General Physics
Nov 26, 2018
0
237
A massive collision in the Milky Way's past
Our Milky Way galaxy has probably collided or otherwise interacted with other galaxies during its lifetime; such interactions are common cosmic occurrences. Astronomers can deduce the history of mass accretion onto the Milky ...
Astronomy
May 20, 2019
2
259
