Was ‘Oumuamua a comet? Avi Loeb responds to new research

A March 22 study suggests that ‘Oumuamua, which passed us in 2017, was a comet from another solar system. Harvard astronomer Avi Loeb strongly disagrees.

The post Was ‘Oumuamua a comet? Avi Loeb responds to new research first appeared on EarthSky.

Mercury – near Jupiter – after sunset in late March

Mercury is visible in the evening sky. Look in the sunset direction, as the sky is darkening. The planet reaches its greatest elongation on April 11, 2023.

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Does a green sky predict a tornado is coming?

If you see a foreboding, green sky, it’s best to take cover. A tornado might not be approaching, but green skies can be a sign of hail and other bad weather.

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What are lightning sprites? How to photograph them

Lightning sprites – aka red sprites – are electrical discharges that happen above thunderstorms. Learn how to see and photograph them here.

The post What are lightning sprites? How to photograph them first appeared on EarthSky.

Equinox shadows trace a straight line from west to east

Equinox shadows are unique. On this day – and this day only – the tip of an upright stick’s shadow follows a straight path, west to east, all day long.

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Active volcanoes on Venus found in Magellan data

Scientists have evidence for an active volcanic vent on a known Venus mountain. It’s the first direct evidence of active volcanoes on Venus!

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The High Cost Of Inaction: New York’s Need For Climate And Energy Reform

Cold winter temperatures and high natural gas prices are generating utility bills that are too hot to handle for New Yorkers. “I looked at my gas bill, and it’s going up — it seems like by the hundreds,” said Cheektowaga resident Ruth…

What are the Ides of March, and why should you beware?

What are the Ides of March? That’s March 15. In Shakespeare’s play, Julius Caesar was warned to “Beware the Ides of March” before his assassination.

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Atmospheric rivers now have intensity rankings

Scientists are pushing an intensity scale for atmospheric rivers, much like the hurricane intensity scale. They think it’ll help keep people safer.

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Republicans slam Biden energy secretary for claiming US can ‘learn from what China is doing’ on climate change – Fox News

Republican lawmakers are tearing into U.S. Energy Secretary Jennifer Granholm after she held up China as a model for the United States to emulate on climate change. At the annual SXSW conference in Austin, Texas, on Friday, Granholm praised China’s…