Aurora photos from Thursdayâs geomagnetic storm
A geomagnetic storm produced aurora visible from even southern states on March 23, 2023. See some of our best aurora photos here.
The post Aurora photos from Thursdayâs geomagnetic storm first appeared on EarthSky.
The moon occults Venus on March 24: See our photo gallery
Part of the world was treated to the sight of the moon occulting Venus on March 24, 2023. See beautiful photos as the moon occults Venus here.
The post The moon occults Venus on March 24: See our photo gallery first appeared on EarthSky.
Was âOumuamua 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 âOumuamua a comet? Avi Loeb responds to new research first appeared on EarthSky.
Mercury â near Jupiter â 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.
The post Mercury â near Jupiter â after sunset in late March first appeared on EarthSky.
The Big and Little Dipper: How to find them
How to find the Big and Little Dipper in the nighttime sky. From the Northern Hemisphere the Big Dipper is high in the sky on spring evenings.
The post The Big and Little Dipper: How to find them first appeared on EarthSky.
Was âOumuamua an outgassing interstellar comet?
Researchers have solved the mystery of the strange orbit of ‘Oumuamua. Outgassing from hydrogen gave the interstellar comet its distinctive push.
The post Was âOumuamua an outgassing interstellar comet? first appeared on EarthSky.
ESAâs JUICE mission will explore Jupiterâs icy moons
The JUICE mission is an ESA program that will journey to Jupiter and its icy moons, learning more about the habitability of these worlds.
The post ESAâs JUICE mission will explore Jupiterâs icy moons first appeared on EarthSky.
Noctilucent clouds on Mars spotted by Mars Perseverance
The Perseverance rover took this image of noctilucent clouds on Mars on March 18, 2023. These night-shining clouds also appear on Earth.
The post Noctilucent clouds on Mars spotted by Mars Perseverance first appeared on EarthSky.
On the equinox, equal day and night?
Day and night are mostly equal on the equinox. There’s a bit more daylight because the sun is a disk, not a point, and Earthâs atmosphere refracts sunlight.
The post On the equinox, equal day and night? 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.
The post Equinox shadows trace a straight line from west to east first appeared on EarthSky.
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