What's the difference between aurora and nebula?

Aurora


Definition:

  • (n.) The rising light of the morning; the dawn of day; the redness of the sky just before the sun rises.
  • (n.) The rise, dawn, or beginning.
  • (n.) The Roman personification of the dawn of day; the goddess of the morning. The poets represented her a rising out of the ocean, in a chariot, with rosy fingers dropping gentle dew.
  • (n.) A species of crowfoot.
  • (n.) The aurora borealis or aurora australis (northern or southern lights).

Example Sentences:

  • (1) 139 cases of Mycoplasma pneumoniae infection (serological diagnosis) were treated at Aurora Hospital, Helsinki, between January 1975 and August 1977.
  • (2) Holmes, 25, is charged with more than 166 separate offences relating to the mass shooting of 20 July in Aurora, including first degree murder.
  • (3) These can lead to communications blackouts around the Earth and produce aurorae; indeed, there have been several nice displays over recent weeks.
  • (4) The passengers were then flown to an Australian icebreaker, the Aurora Australis, which had cracked through ice floes and was now sailing towards Australia's Casey research base.
  • (5) Clinton met with Jane Dougherty, sister of Mary Sherlach, who was slain at the Sandy Hook Elementary School shooting in Newtown, Connecticut, in 2012; Tom Sullivan and Matthew Jenks, the father and brother-in-law, respectively, of Alex Sullivan, who was killed in the 2012 movie theater shootings in Aurora, Colorado; and Coni Sanders, daughter of Dave Sanders, killed in the 1999 Columbine High School shootings in Colorado.
  • (6) That remains to be seen.” The Aurora Australis travelled through heavy ice towards open water.
  • (7) In private, Remington managers advanced an argument common to American gun-owners: events such as Newtown or the cinema shooting in Aurora, Colorado, earlier this year, however tragic, are primarily a failure of mental health care.
  • (8) Two survivors of the 2007 Virginia Tech shooting, where 32 people died, were present, as well as the stepfather of an Aurora, Colorado, massacre victim.
  • (9) The acting director of the Australian Antarctic division of the department of environment, Jason Mundy, said the rescue was carried out without a hitch and it was a relief to have all passengers on board the Aurora Australis.
  • (10) "While Operation Aurora shed light on advanced threats from sponsored adversaries, the number of compromised companies and organisations pales in comparison to this single botnet," said Amit Yoran of NetWitness.
  • (11) That did not stop Tyrek and his mother from riding the bus to Washington with the Newtown Action Alliance to join forces with families of gun violence from Chardon, Aurora, Hartford, Chicago, Tucson, and Virginia Tech and to talk to lawmakers about ways to reduce gun violence.
  • (12) Elle Fanning will play Aurora as a teenager and the cast also includes Sharlto Copley, Miranda Richardson, Sam Riley and Imelda Staunton.
  • (13) Aurora Energy Research has also forecast that the price of power will decline to £46 per MWh by 2020 on the back of reduced demand, more windfarms and lower gas prices.
  • (14) Ten non-profits in the Aurora area have had funds directed to them, he went on, when the families were "certain that everyone who donated their hard-earned wages intended for 100% of the donations to go directly to the victims … Unfortunately, that does not seem to be the case."
  • (15) The cost of the rescue will largely fall to the ships involved – the Aurora Australis and Xue Long – and insurance.
  • (16) Derek Lovelock, chairman of Aurora Fashions, the owner of Oasis, says Schaffer did a great job on Odille.
  • (17) In Aurora, Planned Parenthood officials said there was an attempted arson outside the clinic’s front door on 19 July.
  • (18) James Holmes, a former neuroscience graduate student, is charged with killing 12 people and injuring 70 by opening fire in a darkened theater in the Denver suburb of Aurora last July.
  • (19) In Aurora, attention focused on the apartment in Paris Street, where Holmes lived.
  • (20) He travelled to Fort Hood, Texas soon after the 5 November 2009 tragedy in which 13 service members died at the hands of a fellow military member; he was in Tucson, Arizona days after the 8 January 2011 that left the Congress member Gabby Giffords shot in the head and six dead; and he was in Aurora, Colorado to mark the 20 July rampage in a cinema in which 12 people were killed.

Nebula


Definition:

  • (n.) A faint, cloudlike, self-luminous mass of matter situated beyond the solar system among the stars. True nebulae are gaseous; but very distant star clusters often appear like them in the telescope.
  • (n.) A white spot or a slight opacity of the cornea.
  • (n.) A cloudy appearance in the urine.

Example Sentences:

  • (1) Nor is there much sign of Thanos, the studio's go-to background baddie, though his minion Nebula turns up in the form of Doctor Who's shaven-headed Karen Gillan.
  • (2) However, exposure to infection may result in temporary conjunctival inflammation and more persistant stromal nebulae.
  • (3) It won the prestigious Nebula and Hugo awards, and was added to the official reading list of the US marines .
  • (4) These nebulae do not flatten when contact lens wear is discontinued.
  • (5) Cercariae remaining in the cornea became the centres of stromal nebulae 0.1-0.2 mm across which remained visible for at least 3 months.
  • (6) "In one billion years, the sun will begin its red giant stage, increasing terrestrial temperatures above 1,000 degrees, boiling off our atmosphere, eventually forming a planetary nebula, making Earth inhospitable to life," he wrote.
  • (7) But the community morphed into a nebula for antisocial crime, poverty and discontent; blighted by asbestos, death, joblessness and cyclical deprivation.
  • (8) We describe a simple technique of superficial keratectomy to remove proud nebulae in which the resulting defect healed quickly under a therapeutic hydrogel lens.
  • (9) To arrange an interview some years back took a written letter to his apartment in Edinburgh's New Town followed by a wait of several months, after which a reply arrived – handwritten in ink – in an envelope sporting a stamp of the Crab Nebula.
  • (10) That includes the Blue Marble, a photograph taken by the Apollo 17 crew as they travelled towards the moon in 1972, the “first selfie in space”, taken by Buzz Aldrin during a spacewalk in 1966, and the Eagle Nebula’s Pillars of Creation, taken by the Hubble Space Telescope, most recently in 2014.
  • (11) These giant white ears are cocked to interstellar whispers: the formation of stars, nebulae and supernovae.
  • (12) Known as the Helix nebula, the fading star belongs to a class of celestial objects named "planetary nebulae" in the 18th century, after their likeness to gas giants, such as Jupiter.
  • (13) Best known for her children's fantasy series the Earthsea quartet, and for the science fiction title The Left Hand of Darkness, Le Guin is the author of 21 novels, 11 volumes of short stories, three collections of essays, 12 books for children, six volumes of poetry and four of translation, and the recipient of literary awards including the Hugo, Nebula and National Book award.
  • (14) For years now, the wallpaper on my computer has been a picture from one of Nasa's many troves of stunning photos, sometimes a distant nebula or galaxy or close-up of a nearby planet or Earth.
  • (15) "The sense that there's a bridge, that a hand can be extended, and you can step from the Earth, from the supermarket car park, into the Andromeda nebulae or whatever."
  • (16) Contact lens intolerance in keratoconus may be due to the formation of a proud nebula at or near the apex of the cone that gives rise to contact lens related abrasions.
  • (17) The role and relative contributions of different forms of energy to the synthesis of amino acids and other organic compounds on the primitive earth, in the parent bodies or carbonaceous chondrites, and in the solar nebula are examined.
  • (18) Among them are the first sketches of nebulae by Sir John Herschel, who visited South Africa with a telescope in the 1830s, and Newton's death mask.