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☆ Gazing Into the Past and Future at Historic Observatories
▼ + stars: | 2023-11-07 | by ( Kim Beil | ) www.nytimes.com time to read: +1 min

Lick Observatory and Lowell Observatory in Flagstaff, Ariz., which opened in 1894, both remain active in astronomical research. Other historic observatories now focus primarily on public outreach and education, including Yerkes Observatory (1897) in Williams Bay, Wis., and Mount Wilson Observatory (1904), outside Pasadena, Calif. At each of these sites, you can step into the history of the cosmos — experiencing the deep time of the stars, as well as more recent histories of discovery. Looking through 19th-century glass at the Lick, you can see where E. E. Barnard spotted a new moon of Jupiter and James Keeler found a gap in Saturn’s rings. At Mount Wilson, Edwin Hubble, building on work done by Henrietta Swan Leavitt at Harvard, made an observation that proved there were other galaxies in the universe beyond the Milky Way. At Yerkes, you can peer through the 40-inch refracting telescope that surpassed Lick’s in size in 1897 and was used by a cadre of path-breaking women working in astronomy.

Persons: Barnard, James Keeler, Mount Wilson, Edwin Hubble, Henrietta Swan Leavitt Organizations: Lowell, Yerkes Observatory, Mount Wilson Observatory, Harvard, Yerkes Locations: Lick, Flagstaff, Ariz, Williams Bay, Wis, Pasadena, Calif, Mount

☆ Euclid telescope’s first images reveal new cosmic details
▼ + stars: | 2023-11-07 | by ( Manav Tanneeru | Ashley Strickland | ) edition.cnn.com time to read: +7 min

What Euclid’s first images revealEuclid focused on an array of targets for its first scientific images. While dark matter has never actually been detected, it is believed to make up 85% of the total matter in the universe. Both dark matter and dark energy also play a role in the distribution and movement of objects, such as galaxies and stars, across the cosmos. These observations will effectively allow Euclid to see how the universe has evolved over the past 10 billion years. “Euclid will make a leap in our understanding of the cosmos as a whole, and these exquisite Euclid images show that the mission is ready to help answer one of the greatest mysteries of modern physics,” said Carole Mundell, ESA Director of Science, in a statement.

Persons: James Webb, “, ”, René Laureijs, Euclid, Matthias Kluge, Max Planck, Ludwig Maximilian, Koshy George, Georges Lemaître, Edwin Hubble, Carole Mundell Organizations: CNN, European Space Agency, Perseus, Max, Max Planck Institute, Ludwig Maximilian University, Orion, Ludwig Locations: Garching, Munich, Alexandria

☆ Is There a Crisis in Cosmology? - The New York Times
▼ + stars: | 2023-09-02 | by ( Adam Frank | Marcelo Gleiser | ) www.nytimes.com time to read: +2 min

A potent mix of hard-won data and rarefied abstract mathematical physics, the standard model of cosmology is rightfully understood as a triumph of human ingenuity. It has its origins in Edwin Hubble’s discovery in the 1920s that the universe was expanding — the first piece of evidence for the Big Bang. Over the past 60 years, cosmology has become ever more precise in its ability to account for the best available data about the universe. Cosmic inflation is an example of yet another exotic adjustment made to the standard model. There is nothing inherently fishy about these features of the standard model.

Persons: Edwin Hubble’s, can’t

☆ Euclid telescope shares its first glimpses of the universe
▼ + stars: | 2023-08-01 | by ( Ashley Strickland | ) edition.cnn.com time to read: +6 min

CNN —The Euclid space telescope, designed to investigate some of the universe’s biggest mysteries, has captured its first glimpses of the cosmos. Investigating invisible dark matterEuclid’s primary goal is to observe the cosmic mysteries of the universe, including dark matter and dark energy. While dark matter has never actually been detected, it is believed to make up at least 85% of the total matter in the universe. These observations will effectively allow Euclid to see how the universe has evolved over the past 10 billion years. As Euclid makes its observations, the telescope will create a catalog of about 1.5 billion galaxies and the stars within them.

Persons: ”, Giuseppe Racca, “, Euclid, NASA’s James Webb, Josef Aschbacher, Reiko Nakajima, we’ve, William Gillard, Georges Lemaître, Edwin Hubble, Webb Organizations: CNN, European Space Agency, Telescope, ESA, Canadian Space Agency, Euclid, Euclid Consortium, NASA Locations: Alexandria

☆ Euclid mission: A journey aiming to unravel the universe’s biggest mysteries has begun
▼ + stars: | 2023-07-01 | by ( Ashley Strickland | ) edition.cnn.com time to read: +5 min

The European Space Agency’s Euclid space telescope launched at 11:12 a.m. The Euclid space telescope is seen right before its installation in the nose of the SpaceX Falcon 9 rocket on Tuesday. Investigating cosmic mysteriesEuclid’s primary goal is to observe the “dark side” of the universe, including dark matter and dark energy. While dark matter has never actually been detected, it is believed to make up 85% of the total matter in the universe. Both dark matter and dark energy also play a role in the distribution and movement of objects, such as galaxies and stars, across the cosmos.

Persons: NASA’s James Webb, Georges Lemaître, Edwin Hubble, Euclid, Nancy Grace Roman, ”, Jason Rhodes, Rhodes, Roman, Yun Wang Organizations: CNN, SpaceX, Cape Canaveral Space Force, NASA’s James Webb Space Telescope, ESA, NASA, Jet Propulsion Laboratory, Euclid, California Institute of Technology Locations: Alexandria, United States, Canada, Japan, Pasadena , California

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