Science Preguntas
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Which instrument on the Hubble Space Telescope is used to capture wide-field images and is responsible for many of its iconic pictures?A) Advanced Camera for Surveys (ACS)B) Wide Field Camera 3 (WFC3)C) Space Telescope Imaging Spectrograph (STIS)D) Cosmic Origins Spectrograph (COS)
Which space agency launched and operates the Hubble Space Telescope?A) NASA (National Aeronautics and Space Administration)B) ESA (European Space Agency)C) CNSA (China National Space Administration)D) Roscosmos (Russian Federal Space Agency)
What was used to discover dark energy?A) Voyager 1B) Hubble Space TelescopeC) STS-71D) Voyager 2
The final servicing mission to the Hubble Space Telescope, during which astronauts installed new instruments and repaired existing ones, was carried out by space shuttle:A) Endeavour (STS-125)B) Atlantis (STS-135)C) Discovery (STS-82)D) Columbia (STS-109)
Which of the following methods is commonly used for identifying stars in the night sky?A) Constellation patternsB) Star colorC) Apparent brightnessD) All of the above
When a protostar reaches a stable state and begins nuclear fusion in its core, it becomes a:A) Brown dwarfB) Red giantC) Main sequence starD) Neutron star
Which direction does the Earth rotate, causing the stars to appear to move across the night sky?A) East to WestB) West to EastC) North to SouthD) South to North
What is the term used to describe a group of stars that form a pattern or shape as seen from Earth's perspective?A) AsterismB) NebulaC) MeteorD) Galaxy
When a main sequence star exhausts its hydrogen fuel, it starts to undergo which process leading to its transformation?A) Nuclear fissionB) Nuclear fusionC) Gravitational collapseD) Stellar explosion
What spectral type are the coolest and dimmest stars, which have a reddish color, and are classified as "M" stars in the spectral classification system?A) Red dwarfsB) White dwarfsC) Blue giantsD) Yellow dwarfs
The North Star, also known as Polaris, can be found in which constellation?A) OrionB) Ursa MinorC) TaurusD) Ursa Major
Which celestial object is often referred to as the "Red Planet" and can be observed without a telescope from Earth?A) JupiterB) MarsC) SaturnD) Venus
What is the name of the group of stars that forms a recognizable pattern in the night sky?A) ConstellationB) ClusterC) GalaxyD) Solar System
What is the initial stage of a star's life cycle, where gas and dust in a nebula start to collapse under gravity to form a protostar?A) Main sequenceB) White dwarfC) SupernovaD) Nebular collapse
What is the spectral classification system used to categorize stars based on their surface temperature, with the hottest stars being classified as "O" and the coolest as "M"?A) Hertzsprung-Russell (HR) diagramB) Luminosity classC) Harvard classificationD) Spectral type
Which type of galaxy contains the oldest stars and has a smooth, featureless appearance?A) Spiral GalaxyB) Elliptical GalaxyC) Irregular GalaxyD) Dwarf Galaxy
What term is used to describe a star that suddenly increases in brightness and then slowly fades back to its original state over a period of time?A) SupernovaB) Black holeC) CometD) Variable star
During a supernova explosion, what process is responsible for creating elements heavier than iron, contributing to the formation of new celestial bodies?A) Nuclear fissionB) Nuclear fusionC) Stellar nucleosynthesisD) Stellar accretion
The life cycle of a massive star (high-mass star) typically includes which of the following stages?A) Red giant, white dwarf, black holeB) Main sequence, supernova, neutron starC) Protostar, brown dwarf, red dwarfD) Red giant, planetary nebula, neutron star
What factor primarily determines the color of a star?A) SizeB) TemperatureC) Distance from EarthD) Age