Astronomy Staff, Author at Astronomy.com | Page 10 of 278

Neil Armstrong was the first man on the Moon — but only a few pictures from the crew’s cameras show him on his historic moonwalk. In one of them (above), he is visible as a reflection in Buzz Aldrin’s helmet. Credit: NASA

Astronomy for beginners, Space Exploration

5 facts about NASA you might not know

A composite of two different times, as seen by Curiosity on Mars

Robotic Spaceflight, Solar System

What time is it on Mars?

The cosmic microwave background (CMB) is a snapshot of the early universe; it is the oldest light we can see. This light has been Doppler shifted into the microwave portion of the spectrum, outside the realm of naked-eye observing. In this image, generated with data from the Planck satellite, different colors represent tiny temperature fluctuations in the universe. Credit: ESA and the Planck Collaboration

Astronomy for beginners, Science

4 things you might not know about space

The solar nebula that birthed the Sun and its stellar siblings likely resembled the Orion Nebula. Credit: NASA,ESA, M. Robberto (Space Telescope Science Institute/ESA) and the Hubble Space Telescope Orion Treasury Project Team

Science, Solar System

Tour the inner solar system

Listen: Dave Eicher talks Starmus in Slovakia

Illustration of a kilonova

Is gravity instantaneous?

The Large Hadron Collider at CERN

Does E = mc^2 hold true for dark matter and dark energy?

NASA astronaut Loral O’Har exits the ISS to begin a space walk on Nov. 1, 2023. Credit: NASA.

Human Spaceflight, Space Exploration

Watch: American astronauts spacewalk outside the ISS

NASA shared this image of clouds and storms on Jupiter that resemble a face. Credit: NASA/JPL-Caltech/SwRI/MSSS Image processing by Vladimir Tarasov

Science, Solar System

NASA shares image of spooky ‘face’ on Jupiter

The Crab Nebula, imaged by the Webb’s NIRCam (Near-Infrared Camera) and MIRI (Mid-Infrared Instrument) Credit: NASA, ESA, CSA, STScI, Tea Temim (Princeton University)

Exotic Objects, Science

The Crab Nebula, as we’ve never seen it before

Science, Solar System

Neptune: Size, distance from the Sun, orbit

Science, Solar System

Uranus: Size, distance from the Sun, orbit