Margaret W. Mayall and Annie Cannon discovered the Hourglass Nebula while compiling the Draper Catalog in the early 1900's. Improved technology led to Raghvendra Sahai and John Trauger identifying the actual hourglass shape in 1996.
It wasn't discovered it was invented in Alexandria.
The Crab Nebula was first observed in 1731.
The Chandra Telescope has discovered many different things. But the most popular discoveries are these. The Crab Nebula, The Orion Nebula, and Eta Carinea.
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The Horsehead Nebula can be found in the constellation Orion. Its name comes from its resemblance to a horse's head. The Horsehead Nebula was first discovered by Williamina Fleming in 1888.
The first recorded discovery of a nebula was made by Galileo Galilei in the early 17th century. He observed the Orion Nebula through his telescope on the night of January 26, 1610.
Nebulae have been observed for centuries, but the first documented discovery of a nebula is attributed to Charles Messier in the 18th century. Messier cataloged various astronomical objects, including nebulae, which are now known as the Messier objects.
Pulsars were discovered in the Crab Nebula, a supernova remnant, in 1967. The Crab Pulsar is a neutron star at the center of the nebula that emits beams of radiation, producing regular pulses of light. The high-energy particles and magnetic fields in the nebula power the pulsar's emission.
The smallest nebula ever found is the planetary nebula called "K 1-27." Discovered in 1996, it measures only about 0.02 light-years across. This nebula is notable for its compact size and unique structure, which includes a bright central star surrounded by a faint halo of gas. Its small dimensions challenge our understanding of nebula formation and evolution.
i dont know, maybe an outer space guy!anyway i hope i helped u
During her life, she discovered a total of eight comets and three nebulae.
I doubt it was the same person who did both.