Daily News update on – Science


January 23, 2023
NEWS

Space.com

How to see green comet C/2022 E3 (ZTF) as it approaches Earth

The comet is rapidly approaching perigee, its closest point to Earth, which is making it easier to spot in the night sky. The comet, first discovered in March 2022 by astronomers Frank Masci and Bryce Bolin …

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Space.com

The Lucy asteroid probe’s solar array still isn’t latched, but NASA’s fine with it

Lucy launched in October 2021, beginning the first-ever visit to Jupiter’s Trojan asteroids. These are thought to be primitive objects from the early days of the solar system that orbit ahead of and behind the giant planet as it makes its way around the …

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The Washington Post

Earth’s inner core seems to be slowing its spin

In the mid-1990s scientists found evidence that Earth’s inner core, a superheated ball of iron slightly smaller than the moon, was spinning at its own pace, just a bit faster than the rest of the planet. Now a study published in Nature Geoscience …

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EarthSky

Life on Io? An astrobiologist says it’s possible

Io, the most volcanically active place in the solar system, is basically a hell world. Hundreds of sulfur volcanoes are erupting on a regular basis, covering the entire moon in hot lava and sulfur deposits. Some scientists, however, are rethinking the …

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Phys.Org

A new model for dark matter

by University of Michigan · A new model for dark matter. This NASA Hubble Space Telescope image shows the distribution of dark matter in the center of the giant galaxy cluster Abell 1689, containing about 1,000 galaxies and trillions of stars.

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CNN

Webb telescope spies frozen molecules inside a wispy space cloud

More orange dots represent light from stars in the background, piercing through the cloud. The starlight helped astronomers determine the diverse range of frozen molecules within the Chamaeleon I dark molecular cloud, which is forming dozens of young stars …

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Space.com

See Mercury at its highest point in the sky Tuesday morning (Jan. 24)

The tiny planet orbits so close to the sun that the star’s blazing light simply washes Mercury out of Earth’s sight. The only time we get to see the planet is when it’s at greatest elongation, or its farthest points from the sun — that happens a few times …

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CNN

Trilobites armed with tridents could be the earliest known example of sexual combat

From a deer’s elaborate branching antlers to the fiddler crab’s oversize claw, the animal kingdom is full of flashy features used in combat to help secure a mate. A team of researchers announced last week that it …

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Phys.Org

Webb unveils dark side of pre-stellar ice chemistry

The discovery of diverse ices in the darkest regions of a cold molecular cloud measured to date has been announced by an international team of astronomers using NASA’s James Webb Space Telescope. This result allows astronomers to examine the simple icy …

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Phys.Org

Milky Way found to be too big for its ‘cosmological wall’

A cosmological wall is a flattened arrangement of galaxies found surrounding other galaxies, characterized by particularly empty regions called “voids” on either side of it. These voids seem to squash the galaxies together into a pancake-like shape to make …

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