Science Quiz / 'E' In Astronomy

Random Science or Astronomy Quiz

Can you name the astronomical terms which all begin with E

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HintAnswer
The outermost part of the Earth's atmosphere
The theoretical upper limit to the luminosity of a star of given mass
The plane of the Earth's orbit projected on to the celestial sphere
A diffuse nebula surrounding the star cluster M16, it contains the 'pillars of creation' region
The passage of the shadow of one astronomical body over the surface of another
The temperature of a black body that radiates the same total energy per unit area as a given object
A type of galaxy with a smooth, featureless circular or elliptical appearance, no spiral arms, and little or no interstellar gas or dust
HintAnswer
A circular image of a distant source produced by a gravitational lens
A telescope mounting with one axis parallel to the Earth's axis and the other at right angles to it
The dwarf planet in the solar system named after the Greek goddess who personified strife and discord
A lens or combination of lenses used to magnify the image formed by a telescope
A faint illumination of the dark part of the Moon when it is a thin crescent, caused by sunlight reflected from the Earth
A bright line in a spectrum, marking a particular wavelength of radiation given out by excited atoms
A planet that orbits a star other than the Sun

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