Astronomy Now – Page 40

Star’s orbit around black hole more proof Einstein was right

16 April 2020 Astronomy Now

After decades of observation, researchers confirm the orbit of a star in close orbit around the Milky Way’s central black hole obeys Einstein’s predictions.

Observations show shock waves likely key to nova’s brightness

15 April 2020 Astronomy Now

Observations indicate the visible brightness of a nova is driven by gamma ray emissions from shockwaves in the post-explosion environment.

The Universe may not look the same in all directions after all

13 April 2020 Astronomy Now

X-ray observations of more than 800 galaxy clusters suggest the expansion of the universe may be faster in some regions than in others.

Event Horizon Telescope reveals inner workings of quasar’s jet

8 April 2020 Astronomy Now

One year after capturing an image of a black hole’s shadow, the Event Horizon Telescope captures best view yet of a quasar’s powerful jets.

Perseverance Mars rover gets its wheels as launch preps continue

6 April 2020 Astronomy Now

Despite coronovirus restrictions, engineers at the Kennedy Space Center continue work to ready the Perseverance Mars rover for launch in July.

The Milky Way’s central bulge offers a jewel box packed with glittering stars

2 April 2020 Astronomy Now

Looking into the bulge of the Milky Way, the Hubble Space Telescope reveals a dynamic sea of stars made up of different generations, velocities and histories.

Intermediate mass ‘missing link’ black hole identified

2 April 2020 Astronomy Now

The Hubble Space Telescope provides strong evidence that a presumed tidal disruption event was caused by an intermediate-mass black hole.

Using Earth templates to hunt for life-supporting exoplanets

29 March 2020 Astronomy Now

Astronomers have put together spectral templates of Earth at key points in its evolution to help next-generation telescopes identify similar exoplanets.

Hubble anniversary events impacted by COVID-19 pandemic

29 March 2020 Astronomy Now

Events marking the 30th anniversary of the Hubble Space Telescope’s launch on 24 April 1990 are being rescheduled due to the COVID-19 pandemic.

How to ‘seed’ supermassive black holes in the early universe

24 March 2020 Astronomy Now

Researchers in Italy have come up with a testable explanation for how supermassive black holes were able to grow so fast in the early universe.