Astronomy
Astro-Challenge: Splitting 44 Boötis
How good are your optics? Nothing can challenge the resolution of a large light bucket telescope, like attempting to split…
What is the Asteroid Belt?
In the 18th century, observations made of all the known planets (Mercury, Venus, Earth, Mars, Jupiter, and Saturn) led astronomers…
How to Find Rosetta’s Comet In Your Telescope
How would you like to see one of the most famous comets with your own eyes? Comet 67P/Churyumov-Gerasimenko plies the…
Cassini’s Farewell Look at Dione
NASA’s Cassini spacecraft paid a visit to Saturn’s moon Dione this week, one final time. Cassini passed just 474 kilometers…
Watch HTV-5 Chase the International Space Station From Your Backyard
It’s away… and the hunt is on. The Japanese Space Agency’s H-II Transfer Vehicle Kounotori automated cargo spacecraft rocketed out…
What is the Earth’s Average Temperature?
Earth is the only planet in our Solar System where life is known to exists. Note the use of the…
Late Summer Tales of Tanabata
One of the surest signs that late summer is here in the northern hemisphere is the arrival of the Milky…
The Dwarf Planet Haumea
The Trans-Neptunian region has become a veritable treasure trove of discoveries in recent years. Since 2003, the dwarf planets and…
What’s Coming After Hubble and James Webb? The High-Definition Space Telescope
Decades after its momentous launch, the ever popular Hubble Space Telescope merrily continues its trajectory in low-earth orbit, and it…