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The Wilkinson Microwave Anisotropy Probe (WMAP), originally known as the Microwave Anisotropy Probe (MAP and Explorer 80), was a NASA spacecraft operating from 2001 to 2010 which measured temperature differences across the sky in the cosmic microwave background (CMB) – the radiant heat remaining from the Big Bang.
Epsilon Eridani (Latinized from ε Eridani), proper name Ran, [17] is a star in the southern constellation of Eridanus.At a declination of −9.46°, it is visible from most of Earth's surface.
GJ 3323 (also known as LHS 1723) is a nearby single [7] star located in the equatorial constellation Eridanus, about 0.4° to the northwest of the naked eye star Psi Eridani. [8]
Planck was a space observatory operated by the European Space Agency (ESA) from 2009 to 2013. It was an ambitious project that aimed to map the anisotropies of the cosmic microwave background (CMB) at microwave and infrared frequencies, with high sensitivity and angular resolution.
Gliese 268 (QY Aurigae) is a RS Canum Venaticorum variable (RS CVn) star in the Auriga constellation. RS CVn variables are binary star systems with a strong magnetic field influenced by each star's rotation, which is accelerated by the tidal effects of the other star in the system. [7]
Wolf 424 is a binary star system comprising two red dwarf stars at a distance of approximately 14.2 light years from the Sun. It is located in the constellation Virgo, between the stars ε Virginis and ο Virginis.
PCB warning label on a power transformer known to contain PCBs. Polychlorinated biphenyls (PCBs) are organochlorine compounds with the formula C 12 H 10−x Cl x; they were once widely used in the manufacture of carbonless copy paper, as heat transfer fluids, and as dielectric and coolant fluids for electrical equipment. [2]
Distances of the nearest stars from 20,000 years ago until 80,000 years in the future. Gliese 445 is currently 17.1 light-years from Earth and has an apparent magnitude of 10.8.