NASA's Parker Solar Probe is a pioneering spacecraft designed to study the Sun's outer atmosphere. It ventures closer to the Sun than any previous probe, providing unprecedented data on solar winds, magnetic fields, and solar corona dynamics, enhancing our understanding of solar phenomena.
How ISRO's Aditya-L1 is different from NASA's Parker Solar Probe?
Test your knowledge of groundbreaking space exploration with this science quiz on NASA's Parker Solar Probe. Dive into the details of this historic mission and discover how it’s reshaping our understanding of the Sun. Challenge yourself and see how much you know about this stellar achievement!
Science Quiz On ISRO’s Aditya-L1 With Answers
Q1. Who is the Parker Solar Probe named after?
a) Dr. Carl Sagan
b) Dr. Neil deGrasse Tyson
c) Dr. Eugene N. Parker
d) Dr. Stephen Hawking
Answer: c) Dr. Eugene N. Parker
Explanation: The Parker Solar Probe is named in honour of Dr. Eugene N. Parker, an astrophysicist renowned for his pioneering work on solar wind and the Sun's outer atmosphere.
Q2: How close will the Parker Solar Probe approach the Sun's surface?
a) 2 million kilometres
b) 6.2 million kilometres
c) 8 million kilometers
d) 10 million kilometres
Answer: b) 6.2 million kilometres (4 million miles)
Explanation: The Parker Solar Probe is designed to swoop within about 6.2 million kilometres (4 million miles) of the Sun's surface, making it the closest spacecraft to the Sun.
Q3: What year was the Parker Solar Probe launched?
a) 2015
b) 2018
c) 2020
d) 2022
Answer: b) 2018
Explanation: The Parker Solar Probe was launched on August 12, 2018, to explore the Sun's corona and solar wind.
Q4: What is the primary objective of the Parker Solar Probe mission?
a) To study the surface of Mars
b) To explore the outer planets
c) To study the Sun's outer atmosphere
d) To investigate the Moon's surface
Answer: c) To study the Sun's outer atmosphere
Explanation: The primary objective of the Parker Solar Probe is to study the Sun's corona and solar wind to better understand the dynamics of our star.
Science Quiz On ISRO’s Aditya-L1 With Answers
Q5: How long is the Parker Solar Probe mission expected to last?
a) 4 years
b) 7 years
c) 10 years
d) 15 years
Answer: b) 7 years
Explanation: The mission is expected to last approximately seven years, with multiple orbits around the Sun to gather data.
Q6: What scientific discovery is the Parker Solar Probe expected to help explain?
a) The formation of black holes
b) The origin of cosmic rays
c) The heating of the solar corona
d) The formation of the solar system
Answer: c) The heating of the solar corona
Explanation: The Parker Solar Probe aims to help explain why the corona is much hotter than the Sun's surface (the photosphere), a long-standing mystery in solar physics.
Q7: How fast is the Parker Solar Probe expected to travel relative to the Sun?
a) 50,000 km/h
b) 150,000 km/h
c) 200,000 km/h
d) 700,000 km/h
Answer: d) 700,000 km/h
Explanation: The Parker Solar Probe is designed to travel at speeds up to 700,000 kilometres per hour, making it the fastest spacecraft ever built.
Q8: How does the Parker Solar Probe protect itself from the Sun's intense heat?
a) Heat-resistant paint
b) Radiator panels
c) Carbon-composite shield
d) Liquid cooling system
Answer: c) Carbon-composite shield
Explanation: The Parker Solar Probe and its instruments are protected from the Sun by a 4.5-inch-thick (11.43 cm) carbon-composite shield, which can withstand temperatures reaching nearly 2,500 degrees Fahrenheit (1,377 Celsius).
Q9: Which technique does the Parker Solar Probe use to decrease its orbit and approach the Sun more closely?
a) Ion propulsion
b) Gravity assists
c) Solar sails
d Magnetic shielding
Answer: b) Gravity assists
Explanation: The Parker Solar Probe employs gravity assists from Venus to progressively reduce its orbit around the Sun, allowing it to make closer passes as the mission progresses.
Q10: What was the original name of the Parker Solar Probe before its launch?
a) Solar Probe Plus
b) Helios Probe
c) Sun Watcher
d) Corona Explorer
Answer: a) Solar Probe Plus
Explanation: The Parker Solar Probe was initially named Solar Probe Plus before being renamed in honour of Dr. Eugene Parker.
What is Aditya L1? All You Need To Know About India’s First Solar Mission
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