M. Usatov

Astronomy Home Page

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  • Research
  • Notes & EssaysMy essays on various astronomy topics.
  • PostersMy posters and collages designed to concentrate overview information about a particular topic and serve as quick go-to knowledgebases.
  • Galaxies
  • Planetary Nebulae
  • Diffuse Nebulae
  • Star Clusters
  • Solar System
  • Equipment
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Posters

Planetary Sciences

November 20, 2016November 20, 2016

A poster about the solar system. Evolution is shown from a protoplanetary disk (center left) towards planet growth. The Grand Tack and the […]

Posters

Stellar-Mass Objects

November 20, 2016November 20, 2016

A poster with the most common objects you will find in a galaxy, most are of stellar mass. Evolution can be […]

Notes & Essays

Supermassive Black Holes

October 21, 2016

Supermassive black holes (SMBHs) represent an important aspect of galaxy evolution theory that remains at the frontier of modern research. […]

Notes & Essays

Definition of Photosphere, Optical Depth and Effective Temperature

October 21, 2016October 21, 2016

The stellar photosphere, the “surface of a star,” is defined as the layer of its atmosphere at an optical depth […]

Notes & Essays

Migrating Planets

October 21, 2016October 21, 2016

Among the pioneers of the idea of swirling vortices of gas being responsible for the formation of the solar system […]

Notes & Essays

Liquid Water on Mars

October 21, 2016

Geomorphological, mineralogical and other evidence of the conditions favoring the existence of water on Mars in liquid phase is reviewed. […]

Galaxies Star Clusters

NGC 5907 and KAZF Extragalactic Globular Clusters

October 12, 2016
Equipment

10″ Aries f/15 Maksutov Cassegrain Review

October 9, 2016

10″ f/15 Aries Maksutov-Cassegrain Review.

Diffuse Nebulae

IC 5146

October 9, 2016

IC 5146 Emission and Reflection Nebula in Cygnus.

Diffuse Nebulae

NGC 7635

October 9, 2016October 9, 2016

The Bubble Nebula is an ionized hydrogen emission nebula 7,800 light years away, created by stellar winds from the Wolf-Rayet […]

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