Posts by 

Deborah Byrd

Polaris and Thuban via the Big Dipper in July

Polaris and Thuban have this in common: both reside, or have resided, at the apex of Earth's sky. That is, both are famous pole stars.

US intelligence report: 140 unexplained UFOs, no aliens

A newly released U.S. intelligence report cannot "confirm or deny" that the unidentified aerial phenomena, or UAPs, sighted by Navy pilots are due to alien visitors.

Heat grips Pacific Northwest

Meteorologists issue warnings, watches and advisories as extreme heat grips Pacific Northwest this weekend, into next week. Triple-digit highs expected.

Solar array upgrade planned for 3rd ISS spacewalk June 25

A June 25 spacewalk will help give the International Space Station a solar array upgrade, a 20 to 30% power boost aimed at another decade of science operations.
Earth

Taupo supervolcano needs monitoring, scientists say

Earth's most recent supervolcano is the Taupo supervolcano, from 25,000 years ago. It experienced unrest in 2019. Scientists want to know more.

Analemma shows the sun’s path over a year

An analemma is a figure-8 curve showing the position of the sun at a chosen time of day (often, noon) over a year. Here's one on the side of a house.

Stark reality of California drought from space

This image is from June 2021. It shows barren hillsides and dry trees in a national forest, during the California drought. Click in for a comparison image from 2020.
Space

Astronomers spot largest rotation in the universe

Astronomers have found the largest rotation in the universe by analyzing red and blue shifts in galaxies funneling along filaments in the cosmic web.

The 1st microsecond of the Big Bang

Researchers used the Large Hadron Collider to investigate the 1st matter formed in the 1st microsecond of Big Bang. They said it had liquid-like properties.

Scientists release best-ever dark matter map

Astronomers with the Dark Energy Survey have created the largest-ever map of dark matter, using artificial intelligence. It covers 100 million galaxies.

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