An inner satellite of which planet is named for a Shakespearean character notable for "the quality of mercy" speech?
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Portia (moon) Portia ( ) is an inner satellite of Uranus. It was discovered from the images taken by "Voyager 2" on 3 January 1986, and was given the temporary designation S/1986 U 1. The moon is named after Portia, the heroine of William Shakespeare's play "The Merchant of Venice". It is also designated Uranus XII.
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The Merchant of Venice The Merchant of Venice is a 16th-century play by William Shakespeare in which a merchant in Venice must default on a large loan provided by an abused Jewish moneylender. It is believed to have been written between 1596 and 1599. Though classified as a comedy in the First Folio and sharing certain aspects with Shakespeare's other romantic comedies, the play is perhaps most remembered for its dramatic scenes, and it is best known for Shylock and the famous "Hath not a Jew eyes?" speech. Also notable is Portia's speech about "the quality of mercy". Critic Harold Bloom listed it among Shakespeare's great comedies.
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S/2003 J 2 S/2003 J 2 is a retrograde irregular satellite of Jupiter. The discovery, by a team of astronomers from the University of Hawaii led by Scott S. Sheppard and David C. Jewitt, was announced on March 4, 2003. s of 2015 , it is Jupiter's outermost known moon.
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Orbital speed The orbital speed of a body, generally a planet, a natural satellite, an artificial satellite, or a multiple star, is the speed at which it orbits around the barycenter of a system, usually around a more massive body. It can be used to refer to either the mean orbital speed, i.e. the average speed as it completes an orbit, or the speed at a particular point in its orbit such as perihelia.
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Annona (crater) Annona is a small crater in the southern hemisphere of the dwarf planet Ceres, located at 48.14° S, 8.43° E. It has a diameter of 60 km . The crater is named after Annona, a Roman goddess of crops and of the harvest. It was officially named by the IAU on December 14, 2015.
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Laomedeia Laomedeia ( or ; Greek: "Λαομήδεια"), also known as Neptune XII, is a prograde irregular satellite of Neptune. It was discovered by Matthew J. Holman, et al. on August 13, 2002. Before the announcement of its name on February 3, 2007 (IAUC 8802), it was known as S/2002 N 3.
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Kepler-20e Kepler-20e is an exoplanet orbiting Kepler-20. The planet is notable as it is the first planet with a smaller radius than Earth found orbiting a Sun-like star. The planet is second-closest to the star after Kepler-20b, and at 1040 K , it is far too hot to have liquid water on its surface. Along with the other four planets in the system, Kepler-20e was announced on 20 December 2011."Kepler-20e is the first planet smaller than the Earth discovered to orbit a star other than the sun. A year on Kepler-20e only lasts 6 days, as it is much closer to its host star than the Earth is to the sun. The temperature at the surface of the planet, around 1400 degrees Fahrenheit, is much to hot to support life, as we know it.<br>
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Eirene (Rome character) Eirene is a fictional character from the HBO/BBC/RAI original television series "Rome", played by Chiara Mastalli. Her name is Greek for "peace".
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47 Ursae Majoris c 47 Ursae Majoris c (abbreviated 47 UMa c), also named Taphao Kaew (Thai: ตะเภาแก้ว , rtgs: Taphaokaeo ,  ] ), is an extrasolar planet approximately 46 light-years from Earth in the constellation of Ursa Major. The planet was discovered located in a long-period around the star 47 Ursae Majoris. Its orbit lasts 6.55 years and the planet has a mass at least 0.540 times that of Jupiter.
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Lunar mare The lunar maria (singular: mare ) are large, dark, basaltic plains on Earth's Moon, formed by ancient volcanic eruptions. They were dubbed "maria", Latin for "seas", by early astronomers who mistook them for actual seas. They are less reflective than the "highlands" as a result of their iron-rich compositions, and hence appear dark to the naked eye. The maria cover about 16% of the lunar surface, mostly on the side visible from Earth. The few maria on the far side are much smaller, residing mostly in very large craters. The traditional nomenclature for the Moon also includes one "oceanus" (ocean), as well as features with the names "lacus" (lake), "palus" (marsh), and "sinus" (bay). The last three are smaller than maria, but have the same nature and characteristics.
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BO Microscopii BO Microscopii (BO Mic) is a star in the constellation Microscopium located about 170 light years from the Sun. It has been dubbed "Speedy Mic" because of the ultra-rapid rotation rate. The projected rotational velocity at the equator of this star is about 135 km/s, which, with an estimated inclination of 70° to the line of sight from the Earth, means it completes a rotation every 0.380 ± 0.004 days (9 hours 7 minutes). The photosphere of this star shows a high level of magnetic activity, with multiple star spots and prominences observed at the same time. As many as 25 prominences have been observed simultaneously, extending outward as far as 3.6 times the radius of the star. BO Mic is a flare star that undergoes sudden increases in X-ray and ultraviolet emissions. These events can emit a hundred times more energy than large solar flares. Speedy Mic is one of the most active stars in the vicinity of the Sun.
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113 Amalthea 113 Amalthea is a fairly typical rocky main-belt asteroid orbiting in the inner regions of the belt. It was discovered by R. Luther on March 12, 1871. The name comes from Amalthea of Greek mythology. One of Jupiter's inner small satellites, unrelated to 113 Amalthea, is also called Amalthea, as is an (apparently fictional) small Arjuna asteroid in Neal Stephenson's 2015 novel "Seveneves".
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Kepler-47b Kepler-47b (also known as Kepler-47(AB)-b and by its Kepler Object of Interest designation "KOI-3154.01") is an exoplanet orbiting the binary star system Kepler-47, the innermost of three such planets discovered by NASA's "Kepler" spacecraft. The system, also involving two other exoplanets, is located about 4,900 light-years (1,500 parsecs, or nearly km) away in the constellation Cygnus. The binary system is the first to be found with more than one circumbinary planet.
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Larissa (moon) Larissa ( ; Greek: "Λάρισσα"), also known as Neptune VII, is the fifth-closest inner satellite of Neptune. It is named after Larissa, a lover of Poseidon (Neptune) in Greek mythology and eponymous nymph of the city in Thessaly, Greece.
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Pandora (moon) Pandora ( ; Greek: Πανδώρα ) is an inner satellite of Saturn. It was discovered in 1980 from photos taken by the "Voyager 1" probe, and was provisionally designated S/1980 S 26 . In late 1985 it was officially named after Pandora from Greek mythology. It is also designated as Saturn XVII .
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Deimos (moon) Deimos (systematic designation: Mars II) is the smaller and outer of the two natural satellites of the planet Mars, the other being Phobos. Deimos has a mean radius of 6.2 km and takes 30.3 hours to orbit Mars. The name "Deimos" is pronounced . In Greek mythology, Deimos was the twin brother of Phobos and personified terror.
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Kepler-11f Kepler-11f is an exoplanet (extrasolar planet) discovered in the orbit of the sun-like star Kepler-11 by NASA's Kepler spacecraft, which searches for planets that transit (cross in front of) their host stars. Kepler-11f is the fifth planet from its star, orbiting one quarter of the distance (.25 AU) of the Earth from the Sun every 47 days. It is the furthest of the first five planets in the system. Kepler-11f is the least massive of Kepler-11's six planets, at nearly twice the mass of Earth; it is about 2.6 times the radius of Earth. Along with planets "d" and "e" and unlike the two inner planets in the system, Kepler-11f has a density lower than that of water and comparable to that of Saturn. This suggests that Kepler-11f has a significant hydrogen–helium atmosphere. The Kepler-11 planets constitute the first system discovered with more than three transiting planets. Kepler-11f was announced to the public on February 2, 2011 after follow-up investigations at several observatories. Analysis of the planets and study results were published the next day in the journal "Nature".
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Heliosphere The heliosphere is the bubble-like region of space dominated by the Sun, which extends far beyond the orbit of Pluto. Plasma "blown" out from the Sun, known as the solar wind, creates and maintains this bubble against the outside pressure of the interstellar medium, the hydrogen and helium gas that permeates the Milky Way Galaxy. The solar wind flows outward from the Sun until encountering the termination shock, where motion slows abruptly. The Voyager spacecraft have explored the outer reaches of the heliosphere, passing through the shock and entering the heliosheath, a transitional region which is in turn bounded by the outermost edge of the heliosphere, called the heliopause. The shape of the heliosphere is controlled by the interstellar medium through which it is traveling, as well as the Sun and is not perfectly spherical. The limited data available and unexplored nature of these structures have resulted in many theories.
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Juliet (moon) Juliet ( or ) is an inner satellite of Uranus. It was discovered from the images taken by "Voyager 2" on 3 January 1986, and was given the temporary designation S/1986 U 2. It is named after the heroine of William Shakespeare's play "Romeo and Juliet". It is also designated Uranus XI.
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HD 38283 b HD 38283 b is an extrasolar planet, orbiting the 7th magnitude F-type main-sequence star HD 38283, 123 light years away in the constellation Mensa. It is a Saturn-like planet orbiting at Earth-like distance in the middle of its habitable zone. But its eccentricity is 0.41, much higher than the Earth's eccentricity of 0.017. The planet's distance ranges from about 0.60 AU (closer to its star than Venus is to the Sun) and 1.44 AU (nearly as distant from its star as Mars is to the Sun). This planet takes 363.2 days to orbit the star, just two days shy of the Earth's orbital period of 365.256366 days. Its mass is one-thirds that of Jupiter but its size and density are not known. Since inclination is not known, its actual mass is unknown, either slightly greater or much greater than its lower limit.
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Gliese 3470 b Gliese 3470 b, abbreviated as GJ3470b, is an exoplanet orbiting the star Gliese 3470, both of which are located in the constellation Cancer. With a mass of just under 14 Earth-masses and a radius approximately 4.3 times that of Earth's, it is likely something akin to a mini-Neptune despite the initially strong belief that the planet was not covered in clouds like the gas giants we are familiar with in our solar system. The exoplanet’s atmosphere was first observed by researchers Akihiko Fukui, Norio Narita and Kenji Kuroda at the University of Tokyo in 2013, and afterwards, Fukui commented, "Suppose the atmosphere consists of hydrogen and helium, the mass of the atmosphere would be 5-20% of the total mass of the planet. Comparing that to the fact that the mass of Earth's atmosphere is about one ten-thousandth of a percent (0.0001%) of the total mass of the Earth, this planet has a considerably thick atmosphere." Recently in 2015, a team using the Las Cumbres Observatory Global Telescope (LCOGT) network reported their detection of Rayleigh scattering in the atmosphere of this planet. In the Las Cumbres researchers' paper published in The Astrophysical Journal, they conclude that the most plausible explanation for the scattering effect to be an atmosphere made predominantly of hydrogen and helium, causing the exoplanet to be veiled by dense clouds and hazes. It is thought that the planet would appear blue to the human eye due to this scattering. As of now, GJ3470b is the only exoplanet orbiting the Gliese 3470 star that has been observed and analyzed by astronomers and astrophysicists.
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Greip (moon) Greip ( ), or Saturn LI (provisional designation S/2006 S 4), is a natural satellite of Saturn. Its discovery was announced by Scott S. Sheppard, David C. Jewitt, Jan Kleyna, and Brian G. Marsden on 26 June 2006, from observations taken between 5 January and 1 May 2006.