Astronomy | Universe Today

Astronomy

Earth has a Water Cycle. Mars has a Dust Cycle

To say there are some myths circulating about Martian dust storms would be an understatement. Mars is known for its…

17 hours ago

In Order to Reveal Planets Around Another star, a Starshade Needs to Fly 40,000 km Away from a Telescope, Aligned Within Only 1 Meter

If NASA sends a Starshade into space, it will need to perform some very accurate formation flying with the space…

5 days ago

An Orbit Map of the Solar System

If you want to know what a talent for scientific visualizations looks like, check out Eleanor Lutz. She's a PhD…

5 days ago

Mimas Pushes Through Saturn’s Rings Like a Snowplow

Saturn's moon Mimas is the smallest of the gas giant's major moons. (Saturn has 62 moons, but some of them…

6 days ago

New Instrument is Searching for Planets Around Alpha Centauri

Alpha Centauri is the closest star system to us, at 4.37 light-years (about 25 trillion miles) away. In 2016, astronomers…

7 days ago

Perfect Example of a Barred Spiral Galaxy, Seen Face On. This is What Our Milky Way Might Look Like

The Hubble Space Telescope has given us a beautiful image of the barred spiral galaxy NGC 7773. This is a…

1 week ago

Messier 87 – the Virgo A Supergiant Galaxy

Located in the Virgo constellation, roughly 53.5 million light years from Earth, is the supergiant galaxy known as Messier 87…

1 week ago

New observations from the Planck mission don’t resolve anomalies like the CMB “cold spot”

A new analysis of Planck mission data has provided no new insights into the anomalies it detected, leaving the door…

1 week ago

Black hole simulation solves a mystery about their accretion disks

A new study by an international team of astrophysicists have validated an age-old theory about how accretion disks behave.

1 week ago

There’s a Ring of Cool Gas Wrapped Around the Milky Way’s Supermassive Black Hole

There's a lot going on at the center of our galaxy. A supermassive black hole named Sagittarius A-Star resides there,…

2 weeks ago