SKYWATCH: VENUS AND MARS MEET AT DUSK, COSMOLOGY UPDATE, AND MORE

LATEST NEWS

Pluto and Charon’s Gravitational Dance

New Horizon’s latest set of images reveals the dwarf planet Pluto and its largest moon, Charon, orbiting their common center of mass.

Planck Upholds Standard Cosmology

The Planck team has finally released its full-mission data, revealing a remarkably detailed view of our universe and our galaxy.

Before They Were (Binary) Stars

Astronomers have taken a behind-the-scenes look at a set of dense gas clumps, catching a quadruple star system in the fleeting act of formation.

OBSERVING HIGHLIGHTS

This Week’s Sky at a Glance, February 13 – 21

Before the Moon-Venus-Mars conjunction later in the week, find the Winter Triangle and the Winter Hexagon, asterisms of the season’s brightest stars.

Comet Lovejoy Shines On

Now that moonless evening skies are back, follow Comet Lovejoy high overhead using our February finder chart. It’s holding its brightness surprisingly well.

Venus and Mars Pair Tightly at Dusk

Earth’s two closest planetary neighbors draw strikingly close together this week.

Is There Such a Thing as a Random Meteor?

Meteor showers like the Perseids get all the press. But have you ever wondered where all the random meteors come from? We explore their origins.

Tour February’s Sky: Two Conjunctions

Some of the prettiest nighttime sights involve the close pairing of two solar-system bodies, and February features events with the Moon and Jupiter, then Venus and Mars.

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