CfA – Page 5 – Astronomy Now

19 July 2026

Latest News

[ 10 June 2026 ] Caught in the act: the wind that could kill a galaxy News
[ 4 June 2026 ] Europe’s Mars rover may land in the remains of a vast ancient water system News
[ 14 April 2026 ] Moon dust preserves record of life’s building blocks News
[ 11 April 2026 ] Dark matter may come in multiple forms, new model suggests News
[ 2 April 2026 ] Witness to history: Artemis II, lunar exploration and hope News

The closest rocky, transiting exoplanet found in Cassiopeia

31 July 2015 Astronomy Now

Northern Hemisphere astronomers are familiar with the W-shaped star pattern of Cassiopeia, a circumpolar constellation near the Pole Star that never sets for latitudes north of 35°. Tucked next to one leg of the W lies a modest 5th-magnitude star named HD 219134 that has been hiding a secret.

Was water abundant in the first billion years of the universe?

29 April 2015 Astronomy Now

Bok globules are dark knots of gas and dust in larger molecular clouds that we see today. New theoretical work shows that similar islands of gas enriched in heavy elements in the early universe could have held as much water vapour as we find in our galaxy today.