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NGC 4138 is the New General Catalogue identifier for a lenticular galaxy in the northern constellation of Canes Venatici. Located around 52 million light years from Earth, [ 3 ] it spans some 2.1 × 1.3 [ 1 ] arc minutes and has an apparent visual magnitude of 11.3. [ 4 ]
TOI-4138 b has an orbital period of 3.6 days, typical for a hot Jupiter. This corresponds to a separation from its host close to one eighth of the distance of Mercury from the Sun . Since the inclination is known, doppler spectroscopy measurements give the planet a mass only 67% that of Jupiter . [ 1 ]
A Jurassic lithified armored mud ball, with a dime (17.9 mm diameter) for scale. An armored mud ball is a small sedimentary structure, formed in flowing water, which consists of a fragment of clay or mud that has been rolled by currents into a spherical shape, and which then becomes coated in a layer of sand, gravel or pebbles that serves to protect (armor) it against further breakdown.
Astrally the year 1322bc is labelled as -1321. Leap years are thus divisible by 4 in the astral system not the BC system. example 2369bc is leap year, it is -2368. example Mayan 3113bc is leap year it is -3112. Further the actual Censorinus record calculated by astronomy as 139 AD July 20 is calculated by calendar as 140 AD July 21.
Moreover, the multiple bonds of the elements with n=2 are much stronger than usual, because lone pair repulsion weakens their sigma bonding but not their pi bonding.) [2] An example is the rapid polymerization that occurs upon condensation of disulfur, the heavy analogue of O 2. Numerous exceptions to the rule exist. [3]
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