News – Page 47 – Astronomy Now

Giant planets orbiting Sun-like stars may be rare

17 June 2019 Astronomy Now

A survey of 300 young, nearby stars by the Gemini South telescope indicates giant planets may be rare in solar systems with Sun-like stars.

Perfecting the technology needed for ‘starshades’

14 June 2019 Astronomy Now

Engineers are studying plans for a future “starshade” that would block out a star’s light, allowing a distant telescope to directly image smaller exoplanets.

Cassini mosaic captures moon sculpting Saturn’s rings

14 June 2019 Astronomy Now

Data collected by the Cassini spacecraft before its 2017 demise continues to shed light on the composition and dynamics of Saturn’s rings.

New study suggests tighter restrictions on exoplanet habitability

11 June 2019 Astronomy Now

New research indicates a star’s habitable zone may be narrower than previously believed, making it tougher for ET to evolve and thrive.

Simulations tackle black hole-accretion disc alignment

10 June 2019 Astronomy Now

Complex computer simulations confirm long-held belief that the inner regions of a spinning black hole’s accretion disc are aligned with the equator.

NASA helicopter passes key tests on road to Mars flight

10 June 2019 Astronomy Now

Engineers are making preparations to attach a small drone-like helicopter to the Mars 2020 rover; a webcam is now available to monitor the rover’s assembly.

Polarisation study finds no new evidence for cosmic “anomalies”

7 June 2019 Astronomy Now

A new study based on polarisation data from ESA’s Planck spacecraft finds no new evidence for large-scale “anomalies” in the Cosmic Microwave Background.

Double asteroid tracked by VLT in planetary defence test

4 June 2019 Astronomy Now

ESO’s Very Large Telescope successfully tracked and imaged a fast-moving double asteroid in a key test of ongoing planetary defence efforts.

NASA funds commercial moon landers for science, exploration

2 June 2019 Astronomy Now

NASA funds three fast-track lunar landers to help kick start private-sector lunar exploration and pave the way for astronaut landings starting in 2024.

NASA to shut down Spitzer Space Telescope early next year

1 June 2019 Stephen Clark

After a search for an outside funding source turned up empty, NASA plans to end observations with the Spitzer Space Telescope in January to conclude a 16-year mission that discovered exoplanets, studied galaxies in the ancient universe, and peered at planets and asteroids in our own Solar System.