Science Quiz / 'H' In Astronomy

Random Science or Astronomy Quiz

Can you name the astronomical terms which all begin with H

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A graph on which a measure of the brightness of stars (usually their absolute magnitude) is plotted against a measure of their temperature (either spectral type or colour index)
Rough and heavily cratered bright terrain on the Moon
The great circle formed by the intersection of the plane perpendicular to the observer's zenith with the celestial sphere
A dark nebula in Orion named after the part of an animal it resembles
The brightest central part of the Lagoon Nebula in Sagittarius, shaped like a figureof-eight
Last name of the English astrophysicist who did great work on stellar evolution, coined the term 'Big bang' as a dismissive remark for the idea
Law that states that the recession velocity of galaxies is proportional to their distance from the observer
A large, V-shaped open cluster in Taurus, spanning over 5° of sky
The largest constellation of all, representing a water-snake
Moon of saturn, It was the first moon to be discovered that was far from spherical

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