Dan Brandon
Author's posts
Mar 14
Jupiter’s Moon Ganymede Has a Salty Ocean with More Water than Earth
In this artist’s conceptual illustration, the moon Ganymede orbits giant planet Jupiter. NASA’s Hubble Space Telescope detected auroras on the moon controlled by Ganymede’s magnetic fields. Image released March 12, 2015. Credit: NASA/ESA A salty ocean is lurking beneath the surface of Jupiter’s largest moon, Ganymede, scientists using the Hubble Space Telescope have found. The …
Feb 02
How to See Asteroid Juno in the Night Sky with Binoculars
This chart shows the movement of Juno over the next two weeks. Credit: Starry Night software Have you ever seen an asteroid? An asteroid is a small rock in space, smaller than a planet yet larger than a meteoroid, the rocks which cause meteors to flash across the night sky. While we know of millions …
Jan 16
NASA Pluto Probe Begins Science Observations Ahead of Epic Flyby
A NASA spacecraft’s epic Pluto encounter is officially underway. NASA’s New Horizons probe today (Jan. 15) began its six-month approach to Pluto, which will culminate with the first-ever close flyby of the dwarf planet on July 14. “We really are on Pluto’s doorstep,” New Horizons principal investigator Alan Stern said last month during a news conference …
