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Astronomy word game.


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Hubble, Edwin

 

Discovered that some 'nebulae' are actually 'island universes' or galaxies.

Discovered ( with others ) that their red shift implies recession according to distance based on Cepheid variable markers.

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NGC 1300 -a barred spiral galaxy about 61 million light‑years away in the constellation Eridanus. The galaxy is about 110,000 light-years across; about 2/3 the size of our own galaxy, the Milky Way.

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Hey, not fair, you ended in a number !

 

0.692=OmegaLambda

( according to recent Planck results, consider yourself lucky that I don't use LaTex )

 

The ratio between the energy density due to the cosmological constant and the critical density ( density required to stop the universe from expanding forever ).

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Supernova

 

A stellar explosion, triggered by reignition of a degenerate star or the gravitational collapse of the core of a massive star, that can briefly outshine a whole galaxy.

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deSitter, Willem

 

Originator of the concepts of deSitter space or universe, which are solutions to the field equations for an empty, expanding universe with a positive cosmological constant.

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Yildun- traditional name for Delta Ursae Minoris, an A type main sequence star in the constellation Ursa Minor, about 172 lys from earth.

Ninjad

 

Garnet star - proper name of Mu Cephei, a red supergiant in the constellation Cepheus. It is an M2 1a star,one of the largest and brightest stars in the Milky Way.

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