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Jackie Villadsen - 1 Villadsen - 1 Venus - 1 ” Villadsen - 1 Read - 1
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NASA - 1 Sun - 1 European Space Agency - 1 Astronomy - 1 Bucknell University - 1 CalTech - 1 University of Hawaii - 1

Search resuls for: "Jackie Villadsen"


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☆ Fact Check-Sun is 93 million miles from Earth measured by parallax, not 3,000 miles
  + stars: | 2023-05-31 | by ( Reuters Fact Check | ) www.reuters.com   time to read: +3 min
The average distance between the Earth and Sun measured using trigonometry is 93 million miles, not 3,000 miles as claimed in a viral post online. “At that time, Venus is measured to be about 30 million miles away, using two methods that agree: radar and a perspective effect (parallax) where you view Venus from different locations on Earth. Multiple measurements taken over the centuries during the transit of Venus using this method yield an average distance of 93 million miles between Earth and the Sun (here). More on the calculation of the distance between the Earth and Sun using Venus’ transit and trigonometry (parallax) can be viewed (here). The Sun is, on average, 93 million miles from Earth and the distance is calculated using trigonometric parallax.
Persons: Jackie Villadsen, Villadsen, Venus, ” Villadsen, Read Organizations: NASA, Sun, European Space Agency, Astronomy, Bucknell University, Reuters, CalTech, University of Hawaii Locations: Harvard
☆ Repeating radio signal leads astronomers to an Earth-size exoplanet
  + stars: | 2023-04-04 | by ( Ashley Strickland | ) edition.cnn.com   time to read: +5 min
CNN —Astronomers have detected a repeating radio signal from an exoplanet and the star that it orbits, both located 12 light-years away from Earth. The signal suggests that the Earth-size planet may have a magnetic field and perhaps even an atmosphere. The researchers believe the radio signal was created by interactions between the planet’s magnetic field and the star. How strong radio waves occurIn order for the radio waves to be detectable on Earth, they must be very strong, the researchers said. “This research shows not only that this particular rocky exoplanet likely has a magnetic field but provides a promising method to find more.”
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