Planets have the colors that they have because of what they are made of and how their surfaces and/or atmospheres reflect and absorb sunlight. Jupiter is a giant gas planet with an outer atmosphere that is mostly hydrogen and helium with small amounts of water droplets, ice crystals, ammonia crystals, and other elements. Clouds of these elements create shades of white, orange, brown and red.
These questions have been pondered for generations, and our research is bringing us closer to answers than ever before. What conditions are necessary for life? Does life exist outside of the solar system?
What is the most difficult astronomy question of all? ›"Will the Universe end?" is one of the biggest, and perhaps most important, questions about the Universe. Whether the Universe will exist forever or in some way 'end' depends on its rate of expansion, the average density of matter, and the fractions of matter, dark matter and dark energy it contains.
What are the biggest unanswered questions in astronomy? ›Some of the biggest unanswered questions in the study of astronomy and cosmology include the nature of dark matter and dark energy, the origin and ultimate fate of the universe, the possibility of other universes beyond our own, and the search for extraterrestrial life.
What is the best question to ask an astronaut? ›If you have this project, we'd suggest calling an astronomy department at a college near you and ask if there is somebody you could interview either over the phone or by email. This spreads the interviews around, and it makes it more likely that you will get the answers you need.
What is the hardest planet to see? ›Difficult to observe
Out of the five planets known since ancient times as the 'wandering stars', Mercury is the one least explored. Unlike Venus, Mars, Jupiter and Saturn, Mercury is notoriously difficult to observe from Earth. Being the innermost planet of the Solar System, it always appears too close to the Sun.
Dark matter — the unknown substance comprising 85 percent of all matter in the universe — is strange.
What is the biggest mystery in astronomy? ›What happens to us after we die? How did so much life appear on our planet when others seem devoid of any species at all? Who, if anyone, pulls the strings of our universe? Is it some all-powerful god in control or are there physical and mathematical principles driving the engine of our existence?
The Great Attractor
150-250 million light years from our galaxy lies a dreaded space anomaly called “The Great Attractor” with a gravitational pull so powerful that it can pull entire galaxies towards itself, and collapse them into each other. What's scarier is that we still don't know what it is.
How many stars are there in the universe? Why are there no green stars? How do astronomers accurately determine wobbles in a star's motion? If you combine the magnitudes of all visible stars, how bright a star will you come up with?
What are 3 things astronomers study? ›Astronomers study planets, stars, galaxies, and other celestial bodies.
What are the questions to ask a space scientist? ›
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