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Updated: 5 hours 51 min ago

The 2020 Ghost Hunt challenge

Sat, 08/15/2020 - 04:00
Like the Messier Marathon, the Ghost Hunt is intended to be a fun and challenging activity that lasts from dusk to dawn.
Categories: Astronomy

Vanguard 1: Earth’s oldest artificial satellite that's still in orbit

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America’s second satellite stopped communicating with Earth in 1964, but it will stay in orbit for centuries.
Categories: Astronomy

Beyond the twilight zone: Could life survive on a two-faced world?

Wed, 07/08/2020 - 04:00
Tidally locked worlds are places of extremes. On one side it’s an endless day, the other a perpetual night. Yet scientists speculate that some may harbor conditions that could support life.
Categories: Astronomy

How astronomers learned to ‘listen’ to gravitational waves

Tue, 07/07/2020 - 04:00
Since confirming the existence of ripples in the fabric of space-time some five years ago, the LIGO/Virgo collaboration has advanced gravitational-wave research by leaps and bounds.
Categories: Astronomy

Comet C/2020 F3 (NEOWISE) springs a naked-eye surprise

Mon, 07/06/2020 - 04:00
Fireworks weren't the only thing to light up the night sky over Independence Day weekend. Comet NEOWISE has joined the party, and you can still see it in the morning sky.
Categories: Astronomy

<i>Infinity and Beyond</i>: Episode 2 — Exoplanets

Thu, 07/02/2020 - 19:00
Let Abigail Bollenbach and Astronomy magazine take you to other worlds beyond our own: the realm of extrasolar planets.
Categories: Astronomy

Thorne-Żytkow objects: When a supergiant star swallows a dead star

Thu, 07/02/2020 - 04:00
One of the universe’s strangest stars is thought to form when a neutron star gets sucked into a red supergiant. But despite 45 years of searching, astronomers still aren’t sure if they’ve ever found one.
Categories: Astronomy

The Sky This Week: Catch a July 4 lunar eclipse

Thu, 07/02/2020 - 04:00
From July 3 to 10, watch the Moon slide through Earth’s shadow and see Venus at its brightest.
Categories: Astronomy

How we can explore the cosmos by letting it come to us

Wed, 07/01/2020 - 04:00
A "Dynamic Orbital Slingshot" could be just the thing for visiting interstellar comets while they're blazing through our solar system.
Categories: Astronomy

The path to Ingenuity: One man's decades-long quest to fly a helicopter on Mars

Wed, 07/01/2020 - 04:00
NASA is about to fly a rotorcraft on another planet for the first time. And for the engineers who built the Mars Ingenuity helicopter, it's a Wright brothers moment.
Categories: Astronomy

The Sun’s sizzling corona is so hot thanks to tiny nanoflares, new evidence suggests

Mon, 06/29/2020 - 04:00
Our Sun’s outer atmosphere is mysteriously much hotter than its surface. But now, the detection of numerous tiny bursts of energy has brought researchers one step closer to solving the apparent paradox.
Categories: Astronomy

Up close and personal: 10 years in the life of the Sun

Mon, 06/29/2020 - 04:00
A decade of the Sun turning on its axis condensed down to a mesmerizing 61-minute time-lapse video, along with other stunning views showing flares, explosions, eruptions and other events.
Categories: Astronomy

The Sky This Week from June 26 to July 3

Fri, 06/26/2020 - 04:00
There are plenty of asteroids and planets to find in the sky this week.
Categories: Astronomy

Techno-turkey: Remembering Hubble’s vision troubles, 30 years on

Fri, 06/26/2020 - 04:00
At an initial cost of around $1.5 billion, when scientists learned of the space telescope’s inability to focus, the future looked bleak. Fortunately, that rocky start didn’t impact Hubble’s final legacy.
Categories: Astronomy

If we find life on Mars, what might it be like?

Thu, 06/25/2020 - 04:00

The outer solar system harbors a number of tantalizing satellites that could potentially harbor life. But according to many, the best place in our solar system to search for a second tree of life is on Mars.

Categories: Astronomy

All black holes should sport light rings

Wed, 06/24/2020 - 04:00
Theoretical astrophysicists predict that a glowing halo just outside the event horizon should surround all black holes.
Categories: Astronomy

A look back on Spitzer's legacy

Tue, 06/23/2020 - 04:00
The Spitzer Space Telescope ceased operations in January, but not before giving scientists keen insight into star birth, exoplanets, and the shape of our galaxy.
Categories: Astronomy

Pluto has likely maintained an underground liquid ocean for billions of years

Tue, 06/23/2020 - 04:00
The discovery hints that subsurface oceans are common in the outer solar system, which is good news for the those seeking extraterrestrial life.
Categories: Astronomy

Enjoy the sky's great globulars

Mon, 06/22/2020 - 04:00
These 20 top clusters offer magical targets in any season.
Categories: Astronomy

How many extraterrestrial civilizations could be trying to communicate with us right now?

Mon, 06/22/2020 - 04:00
A new way to count the number of intelligent ET cultures suggests we are far from alone; but also that we may never be able to find them, astronomers say.
Categories: Astronomy

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