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Category: space – Page 453

A UC Riverside astronomer and a group of eagle-eyed citizen scientists have discovered a giant gas planet hidden from view by typical stargazing tools.

The planet, TOI-2180 b, has the same diameter as Jupiter.

Jupiter is the largest planet in the solar system and the fifth planet from the sun. It is a gas giant with a mass greater then all of the other planets combined. Its name comes from the Roman god Jupiter.

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Vehicle manufacturers are ramping up electric vehicle production, so big companies like Amazon, AT&T, and IKEA are telling vehicle manufacturers what kinds of EVs they want. Here’s the “blueprint” that members of the Corporate Electric Vehicle Alliance are today presenting to makers like Volvo, GM, and Daimler explaining which EVs they want to purchase in the United States over the next five years.

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In January 2020, as Electrek then reported, Boston-based sustainability nonprofit group Ceres launched the Corporate Electric Vehicle Alliance, a group to help companies accelerate the transition to electric vehicles.

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Some of these objects are among the oldest and most distant known. Here we’re seeing light from ancient stars whose local contemporaries have long since been extinguished.

The oldest galaxies formed during the epoch of reionisation, when the tenuous gas in the universe first became bathed in starlight which was capable of separating electrons from hydrogen. This was the last major change in properties of the universe as a whole.

The fact that light carries so much information, allowing us to piece together the history of the universe, is remarkable. The launch of the James Webb Space Telescope will give us some vastly improved infrared images, and will inevitably raise new questions to challenge future generations of scientists.

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We search for the signature of parity-violating physics in the cosmic microwave background, called cosmic birefringence, using the Planck data release 4. We initially find a birefringence angle of ÎČ=0.30±0.11 (68% C.L.) for nearly full-sky data. The values of ÎČ decrease as we enlarge the Galactic mask, which can be interpreted as the effect of polarized foreground emission. Two independent ways to model this effect are used to mitigate the systematic impact on ÎČ for differen
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We search for the signature of parity-violating physics in the cosmic.

Microwave background, called cosmic birefringence, using the Planck data.
release 4. We initially find a birefringence angle of $\beta=0.30\pm0.11$ (68%

C.L.) for nearly full-sky data. The values of $\beta$ decrease as we enlarge.

Continue reading “Cosmic Birefringence from Planck Data Release 4” | >

Scientists have discovered a huge store of hidden water on Mars — and it could be the key to human survival on the Red Planet.

The challenge: Researchers have already discovered ice water on Mars at or near the surface of its frigid poles. They’ve also found evidence of water — either in the form of ice or bound to minerals in the soil — deep underground closer to the Red Planet’s equator.

What they really want, though, is near-surface water closer to the equator. That’s where future Mars explorers are likely to land, and an accessible source of water would be hugely useful for their missions, not only for drinking and growing food, but also for creating oxygen and fuel.

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