April 2023 – Page 3 – Astronomy Now

31 May 2023

Latest News

[ 26 May 2023 ] Seeing the universe in X-rays, optical and infrared, all at once News
[ 15 May 2023 ] A record-setting explosion as a supermassive black hole gorges on gas News
[ 13 May 2023 ] Globular cluster mystery may be explained by short-lived ultra-massive suns News
[ 12 May 2023 ] Jammed radar boom on Jupiter-bound Juice probe finally freed News
[ 11 May 2023 ] NASA developing a robotic snake to slither on – and into – icy moons News

Dealer’s choice: Hubble spots a quasar, an AGN and a Seyfert galaxy all in one

4 April 2023 Astronomy Now

The Hubble Space Telescope spots an luminous galaxy that defies simple classification, meeting the definition of an AGN (active galactic nucleus), a quasar or a Seyfert galaxy all at once.

Mercury joins Venus in the early-evening

3 April 2023 Mark Armstrong

Elusive Mercury, the nearest planet to the Sun, can now be spotted in the western sky soon after sunset, on its way to greatest eastern elongation (19°) from the Sun on 11 April.