News – Page 50 – Astronomy Now

22 August 2026

Astronomers eager to study asteroid during 2029 close flyby of Earth

6 May 2019 Astronomy Now

Scientists are already planning campaigns to observe the near Earth asteroid 99942 Apophis when it whips past Earth in April 2029.

Upgraded LIGO and Virgo stations observe multiple gravity wave events

5 May 2019 Astronomy Now

The LIGO and Virgo gravity wave observatories, recently upgraded to improve sensitivity, have detected five black hole and neutron star mergers in a single month.

Rock that hit Moon during lunar eclipse likely impacted at 61,000 kph

30 April 2019 Astronomy Now

A detailed analysis of the flash produced when a meteoroid crashed into the surface of the Moon during January’s lunar eclipse shows the body likely gouged a crater up to 15 metres (49 feet) across.

Hubble constant mismatch no fluke; new physics may be needed

27 April 2019 Astronomy Now

More precise observations of pulsating Cepheid variable stars confirms a major discrepancy in values of the Hubble constant.

French seismometer detects first likely “marsquake”

24 April 2019 Astronomy Now

An ultrasensitive French seismometer carried to Mars by NASA’s InSight lander has detected its first “marsquake.”

Five long-period exoplanets found after 20 years of observation

23 April 2019 Astronomy Now

Persistence pays off as University of Geneva researchers confirm five long-period exoplanets after 20 years of observations

Mercury has a heart of iron; literally

22 April 2019 Astronomy Now

Mercury’s molten metal outer core surrounds a solidified solid iron inner core, according to an analysis of data collected by the MESSENGER orbiter.

Jupiter-size star generates titanic white-light ‘superflare’

20 April 2019 Astronomy Now

An enormously powerful superflare from a star the size of Jupiter challenges theories about how magnetic fields in such small suns store energy.

A third planet found in binary star system

19 April 2019 Astronomy Now

Astronomers studying data from the Kepler Space Telescope have found a third planet orbiting a binary star system in Cygnus.

SOFIA detects long-sought primeval molecule

18 April 2019 Astronomy Now

Using the SOFIA airborne observatory, scientists have finally detected helium hydride, the first molecule formed in the wake of the Big Bang.