... was at very high temperature, and the number density of WIMPs was roughly equal to the number density of photons (particles of light). This hypothetical WIMP is well studied and attempts to detect these particles have been conducted...
... particles produced by the decay of radioactive elements and are elementary particles that lack an electric charge. Unlike photons or charged particles, neutrinos can travel across the universe (at essentially the speed of light) without interference...
... at NASA Headquarters in Washington. “Whether it's tensegrity habitats in space, new ways to get humans to Mars, delicate photonic propulsion, or any one of the other amazing Phase II studies NIAC is funding, I'm thrilled to welcome these innovations...
... is also known about them. What is certain is that GRB events are characterised by a short flash of gamma-ray photons followed by a long lasting afterglow that can be observed across a broad spectrum of wavelengths. They can also be classified...
.... "Let us imagine that dark matter consists of several components, as in ordinary matter (protons, electrons, neutrons, neutrinos, photons). And one component consists of unstable particles with a rather long lifespan: in the era of the formation...
... millimeter and submillimeter range of the electromagnetic spectrum, which is the wavelength that dust molecules emit their photons in, therefore the observatory is perfectly suited to help study the era when the first stars and galaxies...