Astronomy

NASA solar probe confirms asteroid source of Geminids meteor shower

Astronomy Magazine - Fri, 12/13/2019 - 05:00
Astronomers have long suspected debris from the asteroid Phaethon causes the annual meteor shower. Now, NASA’s Parker Solar Probe has captured the stream of space debris where the shower originates.
Categories: Astronomy

The Sky This Week from December 13 to 22

Astronomy Magazine - Fri, 12/13/2019 - 05:00
The longest nights of the year arrive this week, providing many hours of observing enjoyment along with a Moon-free view of the typically neglected Ursid meteor shower.
Categories: Astronomy

Astronomers find 19 more galaxies missing their dark matter

Astronomy Magazine - Thu, 12/12/2019 - 05:00
The new research may have dramatic implications for theories about both dark matter and galaxy formation.
Categories: Astronomy

What the interstellar medium tells us about the early universe

Astronomy Magazine - Thu, 12/12/2019 - 05:00
Compounds with noble gases don’t form naturally on Earth. But between the stars, they exist — and they are helping scientists probe the history of the universe.
Categories: Astronomy

Watch the Geminids meteor shower this Friday

Astronomy Magazine - Thu, 12/12/2019 - 05:00
The Geminids meteor shower peaks this week. If your skies are cloudy, this livestream will let you watch the popular December meteor shower from anywhere in the world.
Categories: Astronomy

Astronomers map a neutron star’s surface for the first time

Astronomy Magazine - Thu, 12/12/2019 - 05:00
NASA’s NICER instrument reveals that neutron stars are not as simple as we thought.
Categories: Astronomy

NASA's Juno probe just discovered a Texas-sized cyclone on Jupiter

Astronomy Magazine - Thu, 12/12/2019 - 05:00
The orbiting spacecraft picked out a hexagon of storms hidden beneath the top layer of the giant planet's clouds.
Categories: Astronomy

The Milky Way may have two supermassive black holes

Astronomy Magazine - Thu, 12/12/2019 - 05:00
Measurements of stars orbiting our galaxy's core suggest our 4-million-solar-mass black hole, Sagittarius A*, may have another supermassive companion lurking nearby.
Categories: Astronomy

Blue Origin has now flown – and landed — the same rocket six times

Astronomy Magazine - Wed, 12/11/2019 - 05:00

The Blue Origin rocket blasted off from Texas, bringing postcards and other projects from students into space.

Categories: Astronomy

Borisov, the interstellar comet, is captured as it approaches the Sun

Astronomy Magazine - Wed, 12/11/2019 - 05:00
Interstellar visitor 2I/Borisov just made its closest approach to the sun. Here are some shots astronomers took of its journey.
Categories: Astronomy

Gravitational-wave detectors get a boost by reducing quantum noise

Astronomy Magazine - Tue, 12/10/2019 - 05:00
Refined instruments reduce noise at the quantum level, allowing for discoveries of more distant gravitational waves.
Categories: Astronomy

NASA just blew up an SLS fuel tank on purpose

Astronomy Magazine - Tue, 12/10/2019 - 05:00
To prove their massive rocket could survive well beyond its intended limits, NASA blew a hole in its fuel tank.
Categories: Astronomy

Jupiter's Galilean moons likely formed bit by bit from pebbles

Astronomy Magazine - Tue, 12/10/2019 - 05:00
These large moons’ complex combination of properties could be best explained if they grew slowly from pebbles.
Categories: Astronomy

Mars 2020's landing site could be a good place to hunt for fossils

Astronomy Magazine - Mon, 12/09/2019 - 05:00
A recent study suggests the landing site for NASA's next Mars rover holds minerals that often preserve fossils on Earth.
Categories: Astronomy

How the icy moon Enceladus got 'tiger stripes' at its south pole

Astronomy Magazine - Mon, 12/09/2019 - 05:00
Saturn's moon Enceladus has mysterious, evenly spaced fissures in its icy shell where water erupts into space.
Categories: Astronomy

The Sky This Week from December 6 to 15

Astronomy Magazine - Fri, 12/06/2019 - 05:00
While Venus and Saturn have an exquisite conjunction in the early evening, the annual Geminid meteor shower peaks under the bright light of a nearly Full Moon.
Categories: Astronomy

Orbiting robots could soon start repairing satellites in space

Astronomy Magazine - Fri, 12/06/2019 - 05:00
By repairing and refueling satellites in space, fewer satellites would have to be launched into low-Earth orbit.
Categories: Astronomy

Meet CIMON-2, a new and improved robotic AI astronaut

Astronomy Magazine - Thu, 12/05/2019 - 05:00
The free-floating robot could make work more efficient on the International Space Station.
Categories: Astronomy

This huge galaxy has the biggest black hole ever measured

Astronomy Magazine - Thu, 12/05/2019 - 05:00
The monster black hole in galaxy cluster Abell 85 is roughly the size of our solar system, but packs the mass of 40 billion suns.
Categories: Astronomy

Low gravity may make astronauts' guts more fragile

Astronomy Magazine - Wed, 12/04/2019 - 05:00

Microgravity may stop the insides of human intestines from forming strong barriers against food-borne diseases.

Categories: Astronomy

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