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Updated: 2 hours 45 min ago

Scientists are learning how to farm on Mars through trail and error

Tue, 01/22/2019 - 05:00
By finely tuning optimal growing conditions, researchers hope to find the sweet spot for growing lettuce in space.
Categories: Astronomy

No need for Planet Nine? Astronomers say an unseen disk of icy space rocks may explain things

Tue, 01/22/2019 - 05:00
All that's needed to tweak the orbits of some objects in the outer solar system is a disk of icy debris, not a massive planet.
Categories: Astronomy

What time is it on Saturn? We finally know

Tue, 01/22/2019 - 05:00
With the help of the planet's quivering rings, astronomers have finally answered the question: How long is a day on Saturn?
Categories: Astronomy

Radio jets from the Milky Way’s black hole could be pointing right at Earth

Tue, 01/22/2019 - 05:00
By blocking out scattered light, astronomers were able to study our central black hole's powerful radio jet — which might be looking right at us.
Categories: Astronomy

Venus and Jupiter meet in the dawn sky

Mon, 01/21/2019 - 05:00

The bright planets pass within 2° of each other Tuesday morning.

Categories: Astronomy

Astronomers may have finally connected supernovae and gamma ray bursts

Mon, 01/21/2019 - 05:00

Researchers recently saw a “cocoon” of energy surrounding a distant gamma ray burst, which could be preventing it from shining through the star and becoming visible.

Categories: Astronomy

Methane rain falls on Titan's north pole from cloudless skies

Mon, 01/21/2019 - 05:00
Cassini observations of Saturn's largest moon uncovered evidence of rainfall, ushering in its northern summer.
Categories: Astronomy

Hot Jupiters may form close to their stars

Fri, 01/18/2019 - 05:00
Giant planets circling their suns in a matter of days could form in place, rather than migrating inward, as previously thought.
Categories: Astronomy

The plants that China sprouted on the Moon have died

Fri, 01/18/2019 - 05:00
Dead plants Earlier this month, an experiment on China’s Chang’e 4 lander got cotton plants to sprout on the Moon, a historic first. Well, they’re already dead. On Jan. 7, China’s space agency released pictures of cotton seeds beginning to grow on the Chang’e 4 lander. But, as reported by GBTimes on Jan. 16, the new sprouts haven’t survived the freezing temperatures on the lunar surface, even in their protective capsule. The cotton seeds sprouted inside of a c
Categories: Astronomy

Ancient lunar craters reveal Earth’s own impact history

Fri, 01/18/2019 - 05:00
Can studying pockmarks on the Moon teach us about the hits Earth has taken?
Categories: Astronomy

Get outside and see this weekend's total lunar eclipse

Fri, 01/18/2019 - 05:00

On January 20, a total eclipse of the Moon will be visible in its entirety across North and South America.

Categories: Astronomy

The Sky This Week from January 18 to January 27

Fri, 01/18/2019 - 05:00

A total eclipse of the Moon Sunday night highlights a week that also boasts a stunning predawn conjunction between Venus and Jupiter.

Categories: Astronomy

Saturn's rings are surprisingly young

Thu, 01/17/2019 - 05:00
The first dinosaurs and mammals appeared long before the planet's stunning rings.
Categories: Astronomy

Our solar system's formation was a lot messier than you think

Wed, 01/16/2019 - 05:00
When most of us learn about the solar system, it seems like a pretty well-ordered place. Our Sun formed first, about five billion years ago, and the planets appeared a little later. As a very general trend, these planets grew larger and less dense the farther from the Sun they formed. But this story leaves out the chaotic dynamics and frenetic reshuffling that occurred when our solar system was young. Nature may like order eventually, but that order evolves out of pure chance. Our solar system
Categories: Astronomy

Tonight, asteroid Eros will make its closest approach to Earth until 2056

Tue, 01/15/2019 - 05:00
Near-Earth asteroid 433 Eros makes its closest approach to Earth since 2012 today, when it comes within 19.4 million miles (31.2 million kilometers) of our planet. Throughout the week, asteroid Eros glows at 9th magnitude, making it bright enough to glimpse through small telescopes. The elongated asteroid has an average diameter of just over 10.5 miles (17 km), making it about 1/50th the diameter of dwarf Planet Ceres, which is the largest body in the asteroid belt. Asteroid 433 Eros resides
Categories: Astronomy

Plants have been grown on the Moon for the very first time

Tue, 01/15/2019 - 05:00
Nearly 40 years after the last human left the lunar surface, the Moon is no longer devoid of life.
Categories: Astronomy

To track greenhouse gases, this nonprofit wants to launch its own satellite

Tue, 01/15/2019 - 05:00
An environmental nonprofit has granted two companies contracts to develop a methane-tracking satellite known as MethaneSAT.
Categories: Astronomy

Chang'e 4 sends another trove of images from the Moon's far side

Tue, 01/15/2019 - 05:00
Success for Chang’e 4 The far side of the moon is finally coming into focus. China’s Chang’e 4 mission became the first to land on the far side of the Moon earlier this month, and it sent back an initial, though blurry, picture. Now, Chinese officials have released new high quality images from the craft’s first days on the Moon.These images, captured by a camera aboard the Chang’e 4 lander, reveal never-before-seen details of the far side of the Moon. Among the imag
Categories: Astronomy

This Russian startup wants to put billboards in space. Astronomers aren’t impressed

Mon, 01/14/2019 - 05:00
Orbital Display is shooting for the stars ... with advertising.
Categories: Astronomy

A third of all galaxy clusters have gone unnoticed until now

Mon, 01/14/2019 - 05:00
Not all galaxy clusters are created equal. Now, astronomers think they've found a new way to search for the dim ones.
Categories: Astronomy

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