Ten trillionths of your suntan comes from beyond our galaxy
Lie on the beach this summer and your body will be bombarded by about sextillion photons of light per second.
Lie on the beach this summer and your body will be bombarded by about sextillion photons of light per second.
Astronomy
Aug 11, 2016
16
686
What is the structure of the Earth? For starters, it consists of several layers: the crust, the upper and lower mantle, and the core. The mantle makes up most of our planet's volume—84%. The lower mantle represents 55% ...
Earth Sciences
Oct 20, 2022
0
474
A few days from now, a SpaceX Falcon Heavy rocket will lift off from Florida, carrying a satellite the size of a loaf of bread with nothing to power it but a huge polyester "solar sail."
Space Exploration
Jun 20, 2019
10
5
As humanity moves forward with space exploration, we should prepare for risky and extremely hazardous endeavors such as manned missions to Mars and asteroids. Having fully operational robotic help ready to assist in every ...
Space Exploration
Jan 26, 2016
0
148
China launched a rover early Saturday destined to land on the far side of the moon, a global first that would boost Beijing's ambitions to become a space superpower, state media said.
Space Exploration
Dec 7, 2018
55
1187
What is it like to be on the surface of Mars or Venus? Or even further afield, such as on Pluto, or Saturn's moon Titan?
Astronomy
May 20, 2022
0
154
China is working on a super-powerful rocket that would be capable of delivering heavier payloads into low orbit than NASA, a leading Chinese space expert was quoted as saying Monday.
Space Exploration
Jul 2, 2018
8
340
It's too bad Mars is such an interesting place, because it's actually one of the most difficult places to visit in the solar system, especially if you want to bring along a lot of luggage. That planet is a graveyard of missions ...
Space Exploration
Mar 21, 2019
0
112
The European Space Agency's new boss elaborated Friday on his vision for a multinational research village on the Moon—a leading contender for a project to succeed the International Space Station.
Space Exploration
Jan 15, 2016
14
2492
From the Soviet Union's pioneering satellite to the first man on the Moon 50 years ago, here are 10 key dates in space exploration.
Space Exploration
Jul 20, 2019
1
21