Jun 1, 2025 · Astronomy is a branch of science that researches everything in the universe beyond our Earth's atmosphere. This includes things like other planets in our solar system, moons, stars, and …

Feb 17, 2022 · Stars were some of the first things humans made note of when they began to look to the sky, including our own Sun. There are billions of stars in the universe—some even have planets of …

Jun 24, 2025 · The discovery led to the realization that the universe is expanding, and that it must have had a beginning: the Big Bang. “Hubble is known as a titan in astronomy, especially American …

Aug 7, 2025 · The Solar System, located in the Milky Way Galaxy, is our celestial neighborhood. Our Solar System consists of 8 planets, several dwarf planets, dozens of moons, and millions of …

Mar 27, 2026 · From lectures to hands on family days and more, discover all the events the National Air and Space Museum has to offer.

Feb 14, 2026 · Observe the Sun National Air and Space Museum in Washington, DC Fridays and Saturdays from 12:00 pm to 3:00 pm, weather permitting.

See the night's sky as never before. Explore the cosmos from the comfort of your home. Discover the secrets of the Sun. You can do all this and more with our unique astronomy programs, led by …

Jun 9, 2020 · If you are old enough, you may remember a time when we thought Pluto was a planet. In 2006 the International Astronomical Union (IAU) adopted a standardized definition of what is and isn't …

The Hubble Space Telescope is one of the largest astronomical telescopes ever sent into space. It dramatically altered the way in which we view our universe. From its vantage point high above …

Mar 8, 2025 · Join Museum staff and members of the Northern Virginia Astronomy Club for a view of the night sky through our telescopes. Stargazing will take place outside in the bus parking lot at the …