Archive – Page 173 – Astronomy Now

Merging galaxies have enshrouded black holes

10 May 2017 Astronomy Now

Black holes get a bad rap in popular culture for swallowing everything in their environments. In reality, stars, gas and dust can orbit black holes for long periods of time, until a major disruption pushes the material in.

Cassini downlinks view of Titan’s methane clouds on third loop inside rings

10 May 2017 Stephen Clark

The Cassini spacecraft captured captivating images of wispy methane clouds suspended above Titan’s hydrocarbon lakes as the probe headed for its third shot through Saturn’s ring gap Tuesday.

Surprise! When a brown dwarf is actually a planetary mass object

9 May 2017 Astronomy Now

Sometimes a brown dwarf is actually a planet — or planet-like anyway. A team of scientists in the United States and Canada have discovered that what astronomers had previously thought was one of the closest brown dwarfs to our own Sun is in fact a planetary mass object.

James Webb Space Telescope shipped to Texas for its biggest test yet

9 May 2017 Stephen Clark

The centerpiece of the James Webb Space Telescope has arrived at NASA’s Johnson Space Center in Houston for a three-month test to ensure the observatory’s sensors and gold-coated mirrors work in the frigid temperatures of deep space.

A lot of galaxies need guarding in this Hubble view

8 May 2017 Astronomy Now

Like the quirky characters in the upcoming film Guardians of the Galaxy Vol. 2, NASA’s Hubble Space Telescope has some amazing superpowers, specifically when it comes to observing galaxies across time and space. One stunning example is galaxy cluster Abell 370, which contains a vast assortment of several hundred galaxies tied together by the mutual pull of gravity.

SOFIA confirms nearby planetary system is similar to our own

8 May 2017 Astronomy Now

NASA’s flying observatory, the Stratospheric Observatory for Infrared Astronomy, SOFIA, recently completed a detailed study of a nearby planetary system. The investigations confirmed that this nearby planetary system has an architecture remarkably similar to that of our solar system.

See the Moon meet the ringed planet on 14 May

8 May 2017 Ade Ashford

In the small UK hours of Sunday 14 May, the rising 17-day-old Moon in the southeast lies just 2.4 degrees to the upper-left of Saturn, meaning that the pair will comfortably fit in the same field of view of a typical 10×50 binocular. The ringed planet is now about a month from opposition, so now’s the time to hone your observing skills.

Approaching Jupiter

6 May 2017 Astronomy Now

This enhanced colour view of Jupiter’s south pole was created by citizen scientist Gabriel Fiset using data from the JunoCam instrument on NASA’s Juno spacecraft.

See the Moon and Jupiter get close on 7 May

4 May 2017 Ade Ashford

Observers with a clear sky to the south as darkness falls on Sunday 7 May can see the 12-day-old waxing gibbous Moon and planet Jupiter separated by little more than twice the width of a full Moon. For telescope owners in the UK, this is a night where you can also see Jupiter’s Great Red Spot and the planet’s four large Galilean moons.

Moon causes double disappearance

4 May 2017 Astronomy Now

The best UK lunar occultation this month occurs tonight when the dark limb of an eight-day-old Moon occults the star 49 Leonis.