Reference Terms
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Black body
In physics, a black body is an object that absorbs all electromagnetic radiation that falls onto it.
Note: The above text is excerpted from the Wikipedia article "Black body", which has been released under the GNU Free Documentation License.
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Space & Time News
April 14, 2025
Apr. 14, 2025 — Researchers may have answered one of space science's long-running questions -- and it could change our understanding of how life began. Carbon-rich asteroids are abundant in space yet make up less than 5 per cent of meteorites found on ...
Apr. 11, 2025 — Astronomers are investigating the longest and most energetic bursts of X-rays seen from a newly awakened black hole. Watching this strange behavior unfold in real time offers a unique opportunity to learn more about these powerful events and the ...
Apr. 9, 2025 — Astronomers have peered back in time to find what looks like a population of 'hidden' galaxies that could hold the key to unlocking some of the universe's secrets. If their existence is confirmed it would 'effectively break current models of galaxy ...
Apr. 2, 2025 — Researchers interrogated the 'sounds' of a cluster of stars within the Milky Way, uncovering a new technique for astrophysicists to probe the universe and learn more about its ...
Latest Headlines
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Apr. 10, 2025 — A team has revealed new insights into the motion of massive stars in the Small Magellanic Cloud (SMC), a small galaxy neighboring the Milky Way. Their findings suggest that the gravitational pull of ...
Apr. 10, 2025 — A new study using functional magnetic resonance imaging (fMRI) reveals the neural mechanisms that contribute to urinary incontinence, a common condition affecting stroke survivors that has a ...
Apr. 9, 2025 — The NASA/ESA Solar Orbiter recently recorded the highest-ever concentration of a rare helium isotope (3He) emitted from the Sun. A Southwest Research ...
Apr. 8, 2025 — Every galaxy is thought to form at the center of a dark matter halo. Stars are formed when gravity within dark matter halos draws in gas, but astrophysicists don't know whether star-free dark matter ...
Apr. 7, 2025 — Despite its uniquely rich inventory of organic molecules, Saturn's largest moon, Titan, may be able to support only a minuscule amount of biomass, if life exists on the moon, according to a study ...
Apr. 7, 2025 — What if we spend decades building advanced telescopes to search for life on other planets and come up emptyhanded? A recent study exploring what we can learn about life in the universe -- even if we ...
Apr. 2, 2025 — World leaders should look to existing international law on the use of force to address the threat of space becoming ever more militarized, a new ...
Apr. 4, 2025 — Astronomers have discovered an extremely rare, high mass, compact binary star system only ~150 light years away. These two stars are on a collision course to explode as a type 1a supernova, appearing ...
Apr. 3, 2025 — A solar wind event from 2017 that hit Jupiter and compressed its magnetosphere created a hot region spanning half Jupiter's ...
Apr. 3, 2025 — The same dirt that clings to astronauts' boots may one day keep their lights on. Researchers created solar cells made out of simulated Moon dust. The cells convert sunlight into energy efficiently, ...