- protosun
- pro·to·sun
English syllables. 2014.
English syllables. 2014.
protosun — ¦prōd.ōˌ noun Etymology: prot + sun (I) : protostar ; especially : the gaseous cloud that underwent gravitational collapse to form the sun … Useful english dictionary
Flatlander (short story) — Flatlander is an English language science fiction short story written in 1967 by Larry Niven. It is the third in the series of Known Space stories featuring crashlander Beowulf Shaeffer. The short story was originally published in Worlds of If ,… … Wikipedia
Beowulf Shaeffer — ( Bey ) is a fictional character from Larry Niven’s Known Space series. Shaeffer is a crashlander, a native of We Made It, a planet circling the star Procyon. He is the central figure of several stories which revolve around his dealings with… … Wikipedia
Mercury (planet) — Mercury ☿ … Wikipedia
Comet dust — refers to cosmic dust that originates from a comet. Comet dust can provide clues to comets origin. Dust and comet origin Microscopic view of comet dust particle The models for the origin of comets are[1]: 1) the interstellar model, 2) the solar… … Wikipedia
Frost line (astrophysics) — In astronomy or planetary science, the frost line, also known as the snow line, refers to a particular distance in the solar nebula from the central protosun where it is cool enough for hydrogen compounds such as water, ammonia, and methane to… … Wikipedia
Frost line (disambiguation) — In geology, the frost line is the level down to which the soil will normally freeze each winter. By an analogy, the term is introduced in other areas.*Frost line (astrophysics), a particular distance in the solar nebula from the central protosun… … Wikipedia
The Borderland of Sol — is an English language science fiction novelette written in 1975 by Larry Niven. It is the fifth in the Known Space series of stories about crashlander Beowulf Shaeffer. The story was originally published in Analog , January 1975, printed in the… … Wikipedia
Procrustes (story) — Procrustes is an English language science fiction short story written in 1994 by Larry Niven. It is the sixth in the series of stories about crashlander Beowulf Shaeffer. The short story was originally published in Crashlander , Larry Niven, New… … Wikipedia
History of Solar System formation and evolution hypotheses — Capture theory redirects here. For the solar capture theory, see this article s section on Solar System formation. For the lunar capture theory, see this article s section on lunar formation. Ideas concerning the origin and fate of the world date … Wikipedia