Study inspects chemical composition of NGC 6544

An international team of astronomers has conducted a chemical study of 23 stars in the globular cluster NGC 6544 as part of the APOGEE survey. The research, published April 12 on the arXiv pre-print server, delivers essential ...

New binocular Nova Cas 2021 flares in Cassiopeia

It began, as all modern astronomical alerts seem to, with one tweet, then two. Early on the morning of Friday, March 19, we started seeing word that a nova was spotted in the constellation of Cassiopeia the Queen, near its ...

35 years since Challenger launch disaster: 'Never forgotten'

NASA leaders, retired launch directors, families of fallen astronauts and space fans marked the 35th anniversary of the Challenger disaster on Thursday, vowing never to forget the seven who died during liftoff.

Measurements of pulsar acceleration reveal Milky Way's dark side

It is well known that the expansion of the universe is accelerating due to a mysterious dark energy. Within galaxies, stars also experience an acceleration, though this is due to some combination of dark matter and the stellar ...

A three-dimensional view of the Milky Way

In our Milky Way, there are about 200 billion suns as well as large quantities of gas, some of which serves as raw material for star births. The gas collects in compact lumps but also appears as extended molecular clouds. ...

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