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A near-Earth object (NEO) is any small Solar System body orbiting the Sun whose closest approach to the Sun (perihelion) is less than 1.3 times the Earth–Sun distance (astronomical unit, AU). [ 2 ] This definition applies to the object's orbit around the Sun, rather than its current position, thus an object with such an orbit is considered an ...
The musica universalis (literally universal music), also called music of the spheres or harmony of the spheres, is a philosophical concept that regards proportions in the movements of celestial bodies —the Sun, Moon, and planets —as a form of music. The theory, originating in ancient Greece, was a tenet of Pythagoreanism, and was later ...
Heliocentric orbit. Regime. Sun–Earth L 1. Main telescope. Diameter. 50 cm (20 in) Wavelengths. Infrared (4–5.2 and 6–10 μm) NEO Surveyor, formerly called Near-Earth Object Camera (NEOCam), then NEO Surveillance Mission, is a planned space-based infrared telescope designed to survey the Solar System for potentially hazardous asteroids.
Fiorella Terenzi. Fiorella Terenzi is an Italian-born astrophysicist, author and recording artist who is best known for taking recordings of radio waves from distant galaxies and turning them into music. She received her doctorate from the University of Milan but is currently based in the United States.
The Apollo asteroids are a group of near-Earth asteroids named after 1862 Apollo, discovered by German astronomer Karl Reinmuth in the 1930s. They are Earth-crossing asteroids that have an orbital semi-major axis greater than that of the Earth (a > 1 AU) but perihelion distances less than the Earth's aphelion distance (q < 1.017 AU). [ 1 ][ 2 ]
433 Eros is a stony asteroid of the Amor group, and the first discovered, and second-largest near-Earth object. It has an elongated shape and a volume-equivalent diameter of approximately 16.8 kilometers (10.4 miles). Visited by the NEAR Shoemaker space probe in 1998, it became the first asteroid ever studied from its own orbit.
Arjuna asteroid. The Arjuna asteroids (also known as "Arjunas") are a dynamical group of asteroids in the Solar System. Arjunas are near-Earth objects (NEOs) whose orbits are very Earth -like in character, having low inclination, orbital periods close to one year, and low eccentricity. The group is named after Arjuna, a central hero in Hindu ...
The Amor asteroids are a group of near-Earth asteroids named after the archetype object 1221 Amor / ˈeɪmɔːr /. The orbital perihelion of these objects is close to, but greater than, the orbital aphelion of Earth (i.e., the objects do not cross Earth's orbit), [ 1 ] with most Amors crossing the orbit of Mars. The Amor asteroid 433 Eros was ...