Simple things you can do to get fewer mosquito bites this summer.
The best viewing time for the Eta Aquarid meteor shower will probably be tomorrow (Tuesday) morning, from about 3:00 a.m. until dawn. If you’re out watching, maybe you want to try to capture a meteor – with your camera? Here’s the equipment you need, and also the steps to follow.
The 2 meteor showers spawned by the famous Comet Halley. And a word about Isaac Newton’s Vis-viva equation, his poetic rendition of instantaneous motion.
We knew that Saturn’s moon Titan had seas and lakes of liquid hydrocarbons, but their exact composition was elusive. Now Ligeia Mare – the second-largest of Titan’s seas – has been found to be filled with almost pure methane.
The shortest lunar month of the year starts with the new moon on May 6, 2016! What is a lunar month? It’s just the duration between successive new moons. It’s also called a lunation or synodic month. Although the lunar month has a mean period of 29.53059 days (29 days 12 hours and 44 minutes), the actual length varies throughout the year. We list the lunar months of 2016 for you, highlighting the shortest and longest lunar months of 2016 inside…
Astronomers are calling it a Manx comet, for the tailless cat species. They first believed C/2014 S3 (PANSTARRS) was a long-period comet without a tail, but, on studying its light, found that it more closely resembles a rocky asteroid. Now they think this object is an asteroid, formed billions of years ago in the inner solar system and ejected early on to the deep freeze of space in our solar system’s Oort Cloud.
Dates of major moon phases, conjunctions and oppositions of planets, meteor showers and other important dates in 2016, from astronomer Fred Espenak.
Video of this year’s oppositions of Mars and Saturn, in front of the constellations Libra and Scorpius. Notice Mars appearing larger around its May 22 opposition! Lots more, plus essential links, inside.
The Sonic Hedgehog gene drives embryonic development of mammal limbs and shark gills. Could our limbs have evolved from gills?
Breakthrough Starshot seeks proof of concept for a 100-million-mile-per-hour mission – using light-propelled nanocrafts – to reach the nearest star in 20 years.