Jean Tate
Universe Puzzle No. 2
To start your working week, here's a little something to help you sharpen your brain (OK, it's already the end…
All-Sky Radio Image in 60 Seconds, No Moving Parts
[/caption] This image is a software-calibrated image with high signal-to-noise ratio at a frequency of 120 MHz, of the radio…
Dark Matter in Distant Galaxy Groups Mapped for the First Time
[/caption] Galaxy density in the Cosmic Evolution Survey (COSMOS) field, with colors representing the redshift of the galaxies, ranging from…
- Astrobiology
- Cosmology
- Dark Energy
- Dark Matter
- esa
- Extrasolar Planets
- Missions
- Physics
- Satellites
- Solar Astronomy
ESA’s Tough Choice: Dark Matter, Sun Close Flyby, Exoplanets (Pick Two)
Key questions relevant to fundamental physics and cosmology, namely the nature of the mysterious dark energy and dark matter (Euclid);…
Ozone on Mars: Two Windows Better Than One
Understanding the present-day Martian climate gives us insights into its past climate, which in turn provides a science-based context for…
Does Zonal Swishing Play a Part in Earth’s Magnetic Field Reversals?
[/caption] Why does the Earth's magnetic field 'flip' every million years or so? Whatever the reason, or reasons, the way…
Einstein’s General Relativity Tested Again, Much More Stringently
[/caption] This time it was the gravitational redshift part of General Relativity; and the stringency? An astonishing better-than-one-part-in-100-million! How did…
What is a Supernova?
[/caption] What is a supernova? Well, "nova" means "new star", and "super" means "really big", like supermarket, so a supernova…
Roche Limit
[/caption] The Roche limit is named after French astronomy Edouard Roche, who published the first calculation of the theoretical limit,…
Keck Telescope
[/caption] There are two Keck telescopes – Keck I and Keck II; together they make up the W.M. Keck Observatory,…