April 2023 – Page 3 – Astronomy Now

7 April 2026

Latest News

[ 2 April 2026 ] Witness to history: Artemis II, lunar exploration and hope News
[ 25 March 2026 ] Artificial Intelligence uncovers more than 100 new worlds in NASA data News
[ 24 March 2026 ] XRISM solves gamma-Cas’s 50-year X-ray mystery News
[ 16 March 2026 ] Molten lava world points to new class of planet Focus on
[ 26 January 2026 ] Dr Allan Chapman (1946-2026) 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.