Metric System is in General Things.
Gigametre. One thousand million metres. Abbreviation Gm.
Kilometre. One thousand metres. Abbreviation Km.
Mercury ...
is, on average, 0.39 AUs from the Sun.
has a diameter of 2440 Kms; around one third of the Earth.
has an eccentic orbit with the closest distance to the Sun being 47 million kilometers, and the farthest distance being 70 million kilometers.
has a year of 88 days.
spins on its axis every 59 days.
is tilted at 2 degrees.
formed around 4.5 Billion years ago.
Megametre. One million metres. Abbreviation Mm.
Metre. The standard unit of distance in the Metric System.
Gram. The standard unit of distance in the Metric System. Abbreviated as g.
Exagram. One million million million grams.
Gigagram. One thousand million grams.
Annals of the six Kings of England by Nicholas Trivet
Translation of the Annals of the Six Kings of England by that traces the rise and rule of the Angevin aka Plantagenet dynasty from the mid-12th to early 14th century. Written by the Dominican scholar Nicholas Trivet, the work offers a vivid account of English history from the reign of King Stephen through to the death of King Edward I, blending political narrative with moral reflection. Covering the reigns of six monarchs—from Stephen to Edward I—the chronicle explores royal authority, rebellion, war, and the shifting balance between crown, church, and nobility. Trivet provides detailed insight into defining moments such as baronial conflicts, Anglo-French rivalry, and the consolidation of royal power under Edward I, whose reign he describes with particular immediacy. The Annals combines careful year-by-year reporting with thoughtful interpretation, presenting history not merely as a sequence of events but as a moral and political lesson. Ideal for readers interested in medieval history, kingship, and the origins of the English state, this chronicle remains a valuable and accessible window into the turbulent world of the Plantagenet kings.
Available at Amazon in eBook and Paperback format.
Kilogram. One thousand grams.
Megagram. One million grams.
Petagram. One thousand million million grams.
Teragram. One million million grams.
Yottagram. One million million million million grams.
Zettagram. One thousand million million million grams. It is abbreviated as Zgs, or, possibly g21.
Light Year. The distance travelled by light in one year. 9.46×1012 km.
The Milky Way Galaxy is one of many galaxies that form the Universe, each of which, on average, contains one hundred million stars. NASA has estimated there are 200 billion galaxies with the total number of stars being between 1019 and 1024 stars.
The Milky Way contains between 100 and 400 billion stars, and around the same number of planets. The Solar System is located 27,000 light-years from the centre of the Milky Way ie 255,420,000,000,000,000 Km.