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Search resuls for: "NEOWISE"


8 mentions found


☆ How to see Comet A3, which could be the best comet in a decade. Neanderthals walked the Earth last time it flew by.
  + stars: | 2024-10-01 | by ( Morgan Mcfall-Johnsen | ) www.businessinsider.com   time to read: +8 min
Comet A3, or Comet Tsuchinshan-ATLAS, is visible in the Northern Hemisphere this October. Comet Tsuchinshan-ATLAS, or Comet A3, is a dusty ball of ice from the Oort Cloud that takes about 80,000 years to orbit the sun. Sergei Grits/AP PhotoAstronomers are divided about whether Comet A3 will shine as bright as Comet NEOWISE. When and where to see Comet A3Weather permitting, everyone in the Northern Hemisphere should be able to see Comet A3 in October. After this, Comet A3 won't return for tens of thousands of years.
Persons: —, Comet, Dan Bartlett, Teddy Kareta, Kareta, Sergei Grits, NEOWISE, Robert Massey, — Bartlett, Comet Holmes, Preston Dyches, that's, you've, Massey Organizations: Service, Lowell Observatory, Night Magazine, Royal Astronomical Society, Sierra, Massey, NASA Locations: Northern, Belarus, Mono Lake , California, that's
☆ This Is a Picture of the Last Thing Seen by NASA’s Asteroid Hunter
  + stars: | 2024-08-09 | by ( Katrina Miller | ) www.nytimes.com   time to read: +1 min
On Thursday, scientists and engineers in Southern California got an exclusive glimpse at a recent snapshot of Fornax, a constellation of stars in the Southern Hemisphere. At the end of last month, the spacecraft’s survey concluded, and it closed its telescopic eyes for the final time. “This was the little space telescope that could,” said Amy Mainzer, an astronomer at the University of California, Los Angeles, and principal investigator for NEOWISE. “We were really lucky to get to do this work.”When the mission was launched in 2009, it was known simply as WISE. It spent the next year peering at faraway objects in the universe radiating infrared light, including supermassive black holes, brown dwarfs, dying stars and one of the most luminous galaxies in the cosmos.
Persons: ”, Amy Mainzer, “ Organizations: Southern Hemisphere, Survey, University of California Locations: Southern California, Los Angeles
☆ Don’t Miss Comet Nishimura This Weekend, a Once-in-a-Lifetime View
  + stars: | 2023-09-08 | by ( Katrina Miller | More About Katrina Miller | ) www.nytimes.com   time to read: +1 min
Astronomy aficionados are buzzing about a bright new comet. The ball of dust and ice is formally named C/2023 P1, but is also called Comet Nishimura, for Hideo Nishimura, the Japanese photographer who first spotted it. How was the comet discovered? Mr. Nishimura captured the comet on Aug. 12 while imaging the sky before sunrise with a digital camera — the third comet he has discovered. That’s exactly how scientists discovered Comet NEOWISE in 2021, which was named for the NASA space telescope that detected it, the Near-Earth Object Wide-field Infrared Survey Explorer.
Persons: Comet Nishimura, Hideo Nishimura, Nishimura, Vishnu Reddy, ” Dr, Reddy, Comet NEOWISE Organizations: Central Bureau, University of Arizona, NASA, Survey
☆ We may be the only humans to ever see the green Comet Nishimura. Here's how, where, and when to spot it.
  + stars: | 2023-09-07 | by ( Morgan Mcfall-Johnsen | Marianne Guenot | ) www.businessinsider.com   time to read: +4 min
Comet Nishimura appears in the night sky through September 13, before skimming past the sun. Here's how, where, and when to spot Comet Nishimura before it might burn up and disappear forever. Advertisement Advertisement Watch: How NASA spent $10 billion on the James Webb telescopeAfter passing our planet, Comet Nishimura will continue careening toward the sun — and possibly its own destruction. How, when, and where to spot Comet NishimuraA photographer attempts to capture the comet Neowise from Trwyn Du Lighthouse, Anglesey, Wales. Carl Recine/ReutersFor now, Comet Nishimura is only visible in the Northern Hemisphere.
Persons: Comet Nishimura, Nishimura, James Webb, it's, Carl Recine, Dan Bartlett, Bartlett, Leo, Bob King of, King Organizations: Service, NASA, Mercury, Southern Hemisphere, Planetary Society, Reuters, Northern, Cancer, Bob King of Sky Locations: Wall, Silicon, Trwyn Du, Anglesey, Wales, California
☆ It’s the End of a World as We Know It
  + stars: | 2023-05-03 | by ( Becky Ferreira | ) www.nytimes.com   time to read: +2 min
Small stars, like red dwarfs, may shine for trillions of years, whereas the most massive stars explode just a few million years after their births. The light of some stars is polluted with the chemical signatures of planets, suggesting that whole worlds are being digested before our eyes. Those images revealed a star chilling at about 5,000 degrees Fahrenheit, about 10 times colder than the searing temperatures expected from red novas. Puzzled, Dr. De and his colleagues observed the star again, this time in infrared light, using another camera at the Palomar Observatory and NASA’s NEOWISE space telescope. It dawned on the researchers that they were most likely watching a star gulping down a planet in real time.
☆ Astronomers observe star swallowing planet for first time
  + stars: | 2023-05-03 | by ( Jack Guy | ) edition.cnn.com   time to read: +4 min
CNN —In a world first, scientists have observed the moment that a dying star consumed a planet — a fate that eventually awaits Earth. Astronomers observed this as a white-hot flash, followed by a longer-lasting colder signal, which they later deduced was caused by the star engulfing a planet. “That infrared data made me fall off my chair,” De said, with the readings suggesting the star could have been merging with another star. However, further analysis using readings from NASA’s infrared space telescope, NEOWISE, revealed that the star was in fact consuming a planet. Our own planet will meet the same fate, but not for 5 billion years, researchers say.
☆ Astronomers spot a sneak peek of Earth's death — a star swallowing a planet whole — for the first time
  + stars: | 2023-05-03 | by ( Morgan Mcfall-Johnsen | ) www.businessinsider.com   time to read: +7 min
Astronomers discovered a distant star swallowing a planet for the first time ever. Swallowing the planet whole produced a burst of energy that expelled the star's outer layers, causing it to expand and brighten rapidly. Except for a veneer of dust, the star pretty much looked the same as it had before, one year after devouring its planet. The distant planet that just got absorbed by its star was about the size of Jupiter, which is more than 1,300 Earths. (It later turned out, this pre-eruption dust was material from the planet skimming the atmosphere of the star as it orbited closer and closer.)
☆ A bright comet is heading towards Earth and could outshine the stars in the sky, say astronomers
  + stars: | 2023-03-07 | by ( Marianne Guenot | ) www.businessinsider.com   time to read: +3 min
The last time the comet visited Earth was around 80,000 years ago, astronomers said. It could be as bright or brighter as our stars, and much more brilliant than the recent ZTF green comet that passed the Earth last month. By comparison, the recent Green Comet ZTF had a brightness of around magnitude +4.6 (the lower the magnitude, the brighter), per space.com. Comet ZTF (C/2022 E3) taken at NAOJ Mitaka Campus on January 31, 2023. On that occasion, we were lucky and the comet only passed our planet, offering spectacular vistas to onlookers.
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