Astrophysics News

YES

YES

YES

It has or may continue to vary over time at times after the first 1 billion years after the Big Bang

It varied over time during the first 1 billion years after the Big Bang

Systematic errors in stellar abundance observations

Varying fundamental constants

Stellar depletion (astrophysical solution)

Nuclear physics: Unknown/revised BBN reaction rates

Sterile neutrinos

Inhomogeneous cosmology

YES

Ejected Planetary Objects

Other

Gravitational Fragmentation

Binary Coalescence

Unidentified Physical Phenomenon

Dark Matter Interaction

Quantum Fluctuation

Charged PAH dimers ([PAH2]+)

Photoluminescence by hydrogenated amorphous carbon (HAC)

Aromatic carbon structures with heteroatoms

Porous silicon and nanocrystalline silicon

Amorphous hydrogenated silicon carbide

YES

YES

YES