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tells her how to look after them. The last thing a mother octopus does for her young when they are ready to hatch is to blow them through her siphon...

an X-ray classification of a star. The rest is up to you. Questions, if any, are best placed on the discussion page. You are free to create your own notation...

StatusNet (licence: Affero GPLv3+). Some advantages to use identi.ca are: all notices are published with Creative Commons Attribution 3.0 license better view...

or pro-and-con analysis. This is not a place to defend your preferred points of view, but original arguments are allowed and welcome. See the Wikidebate...

Sub-headings are optional Avoids having sections with a single sub-heading — each section should contain 0 or 2+ sub-headings. If sub-headings are used, provides...

will provide an example of a cosmogony. The rest is up to you. Questions, if any, are best placed on the discussion page. You are free to create your own...

slides and then exporting the video file to a hosting service such as YouTube. Other possible methods are listed here. Scripting: Better quality productions...

coffee beans, a wide range of teas, and soft drinks, juices, and water are served chilled. Food: a variety of home made chocolates, a delicious range...

Note: These courses are only for dramatic motion pictures (movies with a script and dialog). These courses are not for documentaries, event video, corporate...

you'll run into concepts and experimental tests that are actual research. To succeed in finding a red source in Canis Major is the first step. Next, you'll...

laboratory is an activity for you to describe a magnetic field reversal. Some suggested reversal entities to consider are electromagnetic radiation, neutrinos...

history of orange astronomy a number of sources have been found, many as point sources in the night sky. These points are located on the celestial sphere...

submillimeter waves from the Sun are intermingled with other radiation so that the Sun may appear as other than a primary source for submillimeter waves...

you'll run into concepts and experimental tests that are an actual search. To succeed in finding a cyan source in Caelum is the first step. Next, you'll...

which are unstable. Def. a "subatomic particle forming part of the nucleus of an atom and having no charge" is called a neutron. The neutron is a subatomic...

if any, are best placed on the discussion page. For creating or discovering a galaxy, what would make an acceptable control group? Think about a control...

you'll run into concepts and experimental tests that are an actual search. To succeed in finding a blue source in Boötes is the first step. Next, you'll...

between the star systems in a galaxy. At right is a visual negative of the LW Cassiopeia Nebula (ISM). Within the image are H II regions (red +s), stars...

units of flux. In regions like the Lockman Hole "the dust particles are small (radii a < 0.25 m)". The dust column density (DT) is 0.44 MJy sr-1 so that...

precession of a planetary orbit. A vertical precession describes precession of orbital axes out of and back across the ecliptic. These are not so easily...