Paris

 

A Solstice Night in Paris

The night of June 21 was the shortest night for planet Earth's northern latitudes, so at latitude 48.9 degrees north, Paris was no exception.

Astronomy Picture of the Day: Light Pillars over Whitefish Bay

What's happening in the sky? Unusual lights appeared last week to hover above Whitefish Bay on the eastern edge of Lake Superior between the USA and Canada.

Astronomy Picture of the Day: Aurora around Saturn's North Pole

Are Saturn's auroras like Earth's? To help answer this question, the Hubble Space Telescope and the Cassini spacecraft monitored Saturn's North Pole simultaneously during Cassini's final orbits around the gas giant in September 2017.

Astronomy Picture of the Day: Seeing Titan

Shrouded in a thick atmosphere, Saturn's largest moon Titan really is hard to see.

Astronomy Picture of the Day: Noctilucent Clouds over Paris Fireworks

It's northern noctilucent cloud season -- perhaps a time to celebrate!

Astronomy Picture of the Day: Star Size Comparison 2

How big is our Sun compared to other stars? In dramatic and popular videos featured on YouTube, the relative sizes of planets, stars, and even the universe are shown from smallest to largest.

Astronomy Picture of the Day: Hubble's Jupiter and the Shrinking Great Red Spot

What will become of Jupiter's Great Red Spot?

Astronomy Picture of the Day: Mars Between Nebulas

What's that bright red spot between the Lagoon and Trifid Nebulas?

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